Our People, Our Strength

Crafting Moments of WOW Through Engineering Excellence

At PBS Engineers, Inc., our strength is derived from our people. A vibrant tapestry of over 100 dedicated professionals, each bringing their unique expertise and fervor to the table. Our team isn’t just a collection of engineers; they are visionaries, innovators, and problem-solvers, united by a shared passion for engineering excellence.

Our People, Our Strength

Crafting Moments of WOW Through Engineering Excellence

Our collective experience, spanning diverse projects and challenges, has forged a team that’s not only technically proficient but also deeply invested in ensuring our clients’ visions come to life. From iconic infrastructures to state-of-the-art facilities, our projects are a testament to our team’s expertise and the trust our clients place in us.


Every member of our team is a testament to our commitment to quality, innovation, and client-centric solutions. From the intricate dance of mechanical systems to the symphony of electrical circuits, from the art of plumbing to the science of fire protection and technology integration, our professionals are at the forefront of engineering marvels.

The PBS Ethos

Where Passion Meets Purpose

At PBS Engineers, Inc., our culture is the bedrock upon which our engineering marvels are built. It’s an environment where innovation thrives, ideas flourish, and every voice matters. Our ethos is rooted in a deep-seated belief that engineering is more than just technical expertise; it’s a confluence of creativity, collaboration, and commitment; it’s a way of life. It’s what sets us apart, fuels our passion, and drives us to create engineering solutions that make a difference.

Our team, a mosaic of diverse talents and backgrounds, is united by a shared vision and passion for engineering excellence. We celebrate our differences, knowing that it’s this very diversity that fuels our innovative spirit and drives us to look beyond the conventional.

The world of engineering is ever-evolving, and so are we. Our commitment to continuous learning ensures that we’re always at the cutting edge, ready to embrace new technologies and methodologies that propel us and our clients forward.

Our clients are at the heart of everything we do. We believe in forging lasting relationships, understanding their unique needs, and delivering solutions that not only meet but exceed their expectations.

As engineers, we recognize our responsibility towards the planet and future generations. Our culture emphasizes sustainable practices, ensuring that our projects are not only innovative but also environmentally conscious.

The magic happens when we come together. Our collaborative environment fosters open communication, mutual respect, and a team spirit that turns challenges into opportunities and dreams into realities.

Our word is our bond. We uphold the highest standards of integrity in all our interactions, ensuring transparency, honesty, and excellence in every project we undertake.

We’re a collective of passionate professionals dedicated to delivering innovative and high-performance engineering solutions that resonate with our commitment to service excellence.

Your Forever Team

Join the PBS Family

At PBS Engineers, Inc., we’re not just about engineering; we’re about people. Our team, driven by passion and expertise, is at the forefront of reimagining the engineering landscape. If you’re a dynamic individual eager to challenge boundaries and grow professionally, we invite you to be part of our journey. Here, you’re not just an employee; you’re family, and we’re deeply invested in your professional evolution.


At PBS Engineers, Inc., we believe in the power of people. If you’re a dynamic individual with a passion for pushing boundaries and evolving professionally, we want you on our team.

Greg Shah


Mr. Shah earned his BS in Electrical Engineering in 1968 from Gujarat University. In 1969 he left his family and moved to America to continue his education and to begin his career. He received his master’s degree from Youngstown State University in 1971 and soon began working for a small firm outside of New York City.

His career then took him to Chicago, IL and eventually to Southern California. In May of 1976 he began working for Parsons Corporation in Pasadena, CA as a Project Electrical Engineer. He then spent time with US Borax before taking a chance on a small engineering firm in Ontario, CA. He joined TMAD Engineers in 1981. At that time they were a team of 15 engineers working out of small office. During his 20+ years with TMAD he worked his way to President/CEO and built the company to over 200+ employees with revenues of over $24 Million.

Mr. Shah was a brilliant engineering mind and an entrepreneur at heart. In 2003 he left TMAD and started PBS Engineers. His goal was to create a client-focused company that would excel through its personalized service. Today PBS Engineers employs over 80 people, all with a commitment to his ideals of providing the best customer experience in the industry.

In addition to his personal pursuits, Mr. Shah took pride in developing the next generation of engineers. Over his four-decade career, Mr. Shah sponsored, employed and trained countless young engineers from all over the world. Many of whom have grown within the company or have started their own practice.

Mr. Shah passed away Friday, June 14th, 2013. He was 65 years old.


President / CEO, Electrical Engineer

“I make your life easier by providing what you need, when you need it.”

Kunal Shah, P.E., is a leader and trailblazer in the realm of engineering and business. At the helm of PBS Engineers, Kunal bears the mantle of President and CEO. Orchestrating a network of talented professionals spanning across five offices in two states, he shapes PBS into a beacon of excellence. As Chair of the PBS Engineers Board of Directors, Kunal’s influence permeates every facet of the organization. Kunal’s journey has seamlessly interwoven engineering excellence, innovative design, entrepreneurial ventures, and compassionate leadership.

As one of the founders of PBS Engineers, Kunal’s ideals and aspirations harmonize seamlessly with the company’s mission. His guiding philosophy mirrors the very essence of PBS: an unwavering commitment to providing unparalleled service. Embracing the role of a “Servant Leader,” Kunal’s is focused on elevating the status quo, foster thriving organizations, and contribute to a world suffused with diversity, equity, and inclusion.

Under Kunal’s visionary stewardship, PBS Engineers has excelled in its mantra, “Provide WOW Through Service.” This unflinching dedication to cultivating a vibrant culture and nurturing the PBS Family has propelled the company to perennial growth.

Kunal’s leadership style is firmly rooted in a people-centric ethos, placing the team’s triumph at the forefront. His unyielding belief in fostering a culture of empowerment and nurturing talent underscores his role as a beacon of inspiration.


Vice President
VP of Marketing

“Providing Best Service is my business.”

Mona Shah, Vice President of Marketing is one of the visionary founders of PBS Engineers.

Her unwavering dedication, exceptional leadership, and boundless love for our PBS family have set an inspiring standard for us all.

Mona leads by example, always pushing boundaries. Her commitment to growth and learning has propelled PBS Engineers to new heights, making us a driving force in the industry.

What truly sets Mona apart is her love for the PBS family. She sees each member as an integral part of the PBS Engineers success story. Her passion and approach creates an environment where everyone feels empowered to give their best.


Vice President
Design Director

“My priority is to know and exceed our client’s expectations, while building trust and reputation.”

Design Director and Vice President Prital Patel is a dynamic professional renowned for her exceptional engineering, project management, and execution prowess. With a profound background in building systems and a wealth of knowledge in energy efficiency methods, lighting, and refrigeration systems, she stands as an expert in her field.

For over 16 years Prital has been marked by an impressive track record of successful projects, a testament to her unwavering commitment to excellence. Her acute familiarity with intricate building systems has enabled her to navigate complexities effortlessly, resulting in the realization of innovative and sustainable solutions. Drawing from her extensive program and project management experience–Prital has consistently led diverse teams to triumph. Her leadership style is characterized by precision, effective communication, and a holistic understanding of project dynamics.

Prital Patel’s professional interests lie at the intersection of sustainability and design. Her enthusiasm for Sustainable Design, Building Information Modeling (BIM), Energy Analysis, and Visualization is palpable. She ardently believes in harnessing cutting-edge technologies and methodologies to create environmentally conscious and energy-efficient spaces.

In the world of MEP+ engineering, Prital remains a respected authority, recognized for her unyielding dedication to her craft. Her strong engineering foundation, coupled with her adept project management skills and a passion for sustainable innovation, continues to drive her towards shaping a future where built environments harmonize seamlessly with the planet’s ecological well-being.

Ravi Singh

Vice President of Growth & Development

“Committed to creatively collaborating together, leaving a successful lasting impact.”

Ravi Singh, Vice President of Growth & Development at PBS Engineers, exemplifies leadership and expertise in the Architecture, Engineering, and Construction (AEC) industry. His proficiency in business development and strategic planning has been instrumental in fostering sustainable growth across various market sectors. With a robust network and strategic alliances, Ravi excels in connecting AEC professionals, thereby propelling innovation. He is also a mentor, guiding staff members towards their career goals, particularly in aviation.

Beyond his professional endeavors, Ravi’s commitment to community service is unwavering. As the Board Chair for the LAX Coastal Chamber of Commerce, he has been pivotal in integrating a DEIA committee and program, emphasizing the Chamber’s core values. His leadership focuses on empowering small businesses, enhancing partnerships with city agencies, refining internal operations, and developing effective branding strategies for sustained progress.

Ravi’s dedication extends to nurturing the future workforce through educational initiatives in aviation and transportation, collaborating with local and national entities to create opportunities for students and emerging professionals. At PBS Engineers, he champions a ‘community first’ philosophy, ensuring the company’s operations align with the ethos of community enrichment.

Ashok Ranganathan, PE LEED AP

Technical Director

“Always deliver timely quality to the Client.”

Ashok Ranganathan is a seasoned electrical engineer with over 35 years of experience in the engineering field. His extensive knowledge and expertise encompass every facet of electrical design and construction, making him a highly regarded professional in the industry. 

Throughout his career, Ashok has demonstrated a remarkable proficiency in project and contract management, transcending across various engineering disciplines. His ability to seamlessly navigate the intricacies of engineering trades has been instrumental in delivering successful and efficient projects.

Ashok’s diverse background and wealth of experience have made him an invaluable asset to PBS Engineers. His contributions have significantly enhanced the company’s in-house knowledge base, enabling PBS Engineers to provide cutting-edge solutions and excel in their field.

Beyond his professional accomplishments, Ashok is a true people person, he thrives on building relationships and collaborating with others. His positive and unwaveringly hardworking disposition is infectious and inspires those around him.

Ashok’s dedication to excellence, coupled with his extensive experience and commitment to fostering positive professional and personal connections is what makes him truly successful!

Carlos Velasco

Senior IT Manager

“Leveraging technology to enable greater efficiency and faster success.”

Carlos Velasco is a results-oriented professional boasting over two decades of hands-on experience in the realm of Information Technology. Throughout his career, he has spearheaded all phases of systems development and execution, demonstrating a remarkable proficiency in orchestrating intricate enterprise infrastructure solutions to directly meet business requirements. His skill set encompasses the adept configuration, deployment, and management of servers, telecommunications (VOIP), networks, and firewalls.

With a robust leadership acumen, Carlos excels in assembling and guiding effective IT teams. His extensive involvement spans diverse industries, including building engineering firms, financial institutions, manufacturing, telecom, and office equipment. At PBS Engineers, he assumes responsibility for the comprehensive computing infrastructure, spanning end-user support and training to the administration of enterprise systems. Furthermore, he plays a pivotal role in shaping strategic technology planning and overseeing its seamless implementation.

Cory Nakanishi, CPD, FASPE

Senior Plumbing Design Engineer
Senior Associate

“My goal is to help find creative solutions within every design.”

Boasting four decades of expertise, Cory Nakanishi has cultivated a comprehensive understanding of diverse plumbing systems, encompassing specialized areas like medical gas and intricate piping systems tailored for critical and complex facilities. In 2020, Cory achieved the prestigious honor of being inducted into the American Society of Plumbing Design (ASPE) College of Fellows—an accolade reserved for the highest echelons of the association. 

His repertoire extends beyond design, encompassing a spectrum of services such as design review, value engineering, code compliance, field support, construction administration, and effective troubleshooting. Catering to a diverse clientele, Cory serves clients across various sectors, including aviation, education, healthcare and medical offices, commercial and industrial buildings, entertainment arenas, municipal and government facilities, hospitality, shopping centers, and city and county public works agencies. Notably, he has also contributed his skills to projects commissioned by the Department of Defense and the Department of Transportation.

Cory’s wealth of experience further encompasses the intricacies of designing facilities subject to scrutiny and approval from multiple agencies. Through close collaboration with these entities, he ensures seamless communication throughout the development of contract documents, their submission for review, and ongoing engagement during construction administration, diligently meeting all stipulated requirements.

Crisaldo Alberto

Senior Electrical Design Engineer
Senior Associate

“If you care at all you’ll get some results, if you care enough you’ll get incredible results.”

Crisaldo Alberto has over thirty-five years of experience in electrical engineering design and construction. He has extensive experience in the electrical analysis and design development of numerous electrical systems for aviation, commercial and residential buildings, industrial buildings, tenant improvement projects (restaurants, offices, and retail shops), government facilities, educational (K-12 and higher education), healthcare, transportation, and correctional institutional complexes. His responsibilities include electrical design and supervision, assessment and evaluation of existing electrical building conditions, specification, construction observation, construction administration and review of all aspects of electrical engineering and design.

Crisaldo’s experience includes design and development of electrical power systems, lighting systems, load calculations, Title 24 calculation, Comcheck, ASHRAE and communication systems. He performs construction activities such as construction meetings and pre-walks, and project coordination with architects, government agencies, and other engineering consultants. 

Crisaldo is highly proficient in electrical engineering design using REVIT MEP, AutoCAD MEP, Microsoft program (word & excel), and Bluebeam Studio.

David Willingham, PE

Mechanical Engineer

“My mission is to design efficient and reliable Plumbing Systems that meet clients’ needs.”

David Willingham has over seven years of experience in design engineering and construction, designing a comprehensive range of mechanical systems, such as heating, ventilating, and air conditioning, as well as plumbing systems. David’s additional responsibilities include the research and application of building, plumbing, and fire protection codes to develop design criteria, scope, and construction documentation.

He also has experience in preliminary design, construction documentation, calculations, equipment document review, and punch list observations. He has significant expertise in educational, commercial, residential and office design, facility surveys and assessments.

David’s experience lies with the design of various facilities, where the projects are required to be reviewed and approved by the various agencies. Working in close coordination with these agencies, he communicates with them throughout the development of the contract documents, submission for their review, during construction administration, and meeting all their requirements.

Franklin Nguyen, P.E.

Mechanical Engineer

“Here to help.”

Henry Ascencio, PMP

Senior Project Manager
Senior Associate

“Past projects demonstrate my capability and knowledge – while future projects will dictate what I learn.”

Henry Ascencio is a Senior Project Manager and Team Lead of PBS Engineers, Houston. With a profound commitment to excellence, Henry collaborates closely with clients, architects, and internal teams, guiding Houston projects from inception to conclusion.

His portfolio of responsibilities spans the entirety of electrical design, where he adeptly oversees and supervises Houston’s projects. Renowned for his meticulous organizational skills, Henry’s ability to seamlessly navigate complex projects showcases his exceptional attention to detail and planning.

Henry’s reputation as an outstanding professional is underscored by his remarkable work ethic and unrelenting drive. He takes pride and is recognized for his superior customer service, where he effortlessly establishes rapport with his team and clients. His commitment to results is evidenced by his quick yet effective decision-making–a testament to his outstanding dedication.

In all aspects of his professional journey, Henry remains a testament to excellence and PBS’s dedication to “Provide WOW through Service”. His ability to seamlessly blend his past experiences with his present role showcases a unique path forged by passion and commitment.

Himanshu Patel, EIT, LEED AP

Mechanical Design Engineer
Senior Associate

“We see our customers as invited guests to a party and we are the hosts. It’s our job every day to make every important aspect of the customer experience a little bit better.”

Himanshu Patel, is an experienced senior mechanical design engineer, boasts extensive expertise spanning residential and commercial projects. His proficiency extends to Residential Sound Insulation (RSI), where he has actively contributed to initiatives like the San Diego Quieter Home Program. Himanshu specializes in offering insights into diverse mechanical equipment and their application in sound insulation projects.

His role encompasses a broad spectrum of responsibilities, including on-site assessments, HVAC system design, formulating specifications and cost estimates, scrutinizing submittals and shop drawings, addressing Requests for Information (RFIs), and handling plan check comments. Moreover, he actively participates in meetings, ensuring seamless coordination among architects, owners, electrical engineers, plumbing engineers, structural engineers, and other project collaborators.

Himanshu is characterized by an unwavering eagerness to learn and a genuine commitment to contributing to PBS Engineers. His proactive approach to professional development make him a valuable asset to the team. Continually seeking new challenges, he not only embraces opportunities to expand his knowledge but also actively seeks ways to apply his skills in innovative ways. With a dedication to engineering excellence, Himanshu continues to make meaningful contributions to the dynamic environment at PBS Engineers.

James Breck

Orange County Team Leader
Senior Associate

“My goal is to make your projects run smoothly with fast, high-quality service when you need it.”

James Breck is a seasoned electrical engineer and senior project leader with an impressive career spanning over 25 years. Currently serving as the Office Lead at PBS Engineers in Orange County, James brings a wealth of knowledge, expertise, and leadership to the PBS.

Throughout his extensive career, James has consistently demonstrated a passion for engineering excellence and a commitment to delivering innovative solutions. His personable nature allows him to effectively collaborate with colleagues and clients, fostering strong relationships that drive project success.

James’s dedication to detail is a hallmark of his work. He possesses a keen eye for precision, ensuring that every aspect of his projects meets the highest standards of quality and safety. His meticulous approach not only enhances the reliability of electrical systems but also minimizes risks and maximizes efficiency.

What sets James apart is his diverse background in design. Over the years, he has tackled a wide range of projects, from commercial and industrial facilities to aviation and infrastructure upgrades. This breadth of experience equips him with a unique perspective and the ability to tailor solutions to the specific needs of each project.

With James at the helm, PBS Engineers’ Orange County office continues to thrive and make strides in delivering cutting-edge MEP+ solutions. His unwavering commitment to excellence, attention to detail, and diverse design expertise make him an invaluable asset in any project, setting the standard for engineering excellence in Orange County and beyond.

Jatin Vaghasiya, EIT, LEED AP, RCDD

Senior Project Manager
Senior Associate

“Provide “WOW” through Service.”

Jatin Vaghasiya is a Senior Project Manager and Team Lead of PBS Engineers, Houston. With a focus on electrical/life safety equipment, Jatin possesses extensive knowledge of the California and National Electrical Code, California and Texas Building Code, and California and Texas Energy Code.

In addition to his technical proficiency, Jatin actively participates in project coordination, attending meetings, and fostering cross-functional collaboration with architects, structural engineers, owners, and other consultants. His role extends to comprehensive involvement in construction administration processes.

Noteworthy among Jatin’s recent accomplishments is his pivotal role in ongoing projects, including the electrical engineering design for the LAX APM Station and Core, LAX Terminal 7 and 8 (United Airlines) electrical infrastructure renovation within a major terminal overhaul, and the LAX Terminal 2 and 3 Redevelopment initiative. 

Beyond his professional endeavors, Jatin serves as a Sergeant in the Army Reserve, showcasing his commitment to both his civilian and military responsibilities.

Joseph Scribner, PE

Senior Associate
Mechanical Engineer

“Tenacity, because good enough rarely ever is.”

Joseph Scribner is an expert mechanical engineer boasting a wealth of expertise in engineering and construction coordination across diverse projects, ranging from expansive commercial ventures to compact educational and relocatable classroom initiatives. His knowledge and experience coupled, he has successfully contributed to the development of projects in various sectors, including aviation, religious facilities, healthcare, laboratories, clean rooms, retail, and education.

At the core of Joseph’s responsibilities is the meticulous design of heating, ventilating, and air conditioning (HVAC) systems. His multifaceted role extends to the preparation of comprehensive specifications, cost estimates, and active participation in project meetings, showcasing his commitment to seamless collaboration with the entire project team.

Joseph’s proficiency extends beyond traditional engineering tasks, encompassing initial design development, rigorous field investigations, and the crucial calculations for heating and cooling loads. His familiarity with regulatory requirements is evident in his preparation of California Administrative Code Title 24 energy compliance documents. 

Joseph is characterized by his unwavering work ethic. His can-do attitude is a driving force behind his ability to tackle challenges head-on, consistently exceeding expectations. Beyond his technical talents, Joseph’s exceptional abilities in client relations set him apart. His approach is marked by a genuine dedication to understanding and fulfilling client needs, fostering strong and enduring partnerships. Joseph’s ability to seamlessly blend hard work, a positive outlook, and client-focused engagement showcases not just his technical proficiency but also his invaluable leadership skills.

Khushboo Patel, PE, LEED AP

Senior Mechanical Engineer
Senior Associate

“Passion, Innovation, Excellence, Precision – Your Vision, My Commitment.”

Khushboo Patel is a seasoned mechanical engineer with an impressive 15 years of experience in the field. Her expertise extends beyond traditional mechanical engineering as she also serves as a dedicated project manager and has a specialization in building commissioning, where she has earned her stripes as a Certified Building Commissioning Professional (CBCP).

As a leader in Commissioning at PBS Engineers, Khushboo’s role is to ensure that new and renovated buildings perform to their full potential by meticulously overseeing all aspects of commissioning. Her commitment to WOW, guarantees that all building systems operate precisely as specified–providing maximum efficiency, sustainability, and occupant comfort.

Khushboo’s leadership qualities shine brightly as she guides her team through complex projects, fostering collaboration, and inspiring innovation. Her ability to balance the demands of her professional career while maintaining a fulfilling personal life serves as an inspiring example to her colleagues and peers.

Khushboo is not only a respected mechanical engineer but also a pioneer in her field, breaking down barriers as a woman in a traditionally male-dominated industry. Her journey showcases resilience, dedication, and unwavering commitment to advancing the standards of building performance and commissioning. She is a trailblazer who is shaping the future of the built environment. Her remarkable career, combined with her remarkable work-life balance, is a testament to her exceptional capabilities as both an engineer and a leader.

Lou Perez

Electrical Project Engineer
Associate Principal

“Helping you to see what is possible.”

With over thirty-five years of diverse experience, Lou Perez has built a robust career as an electrical project engineer and project manager. His extensive expertise spans the development and design of lighting and power distribution, compliance with Title 24 requirements, and the implementation of fire alarm systems, data networking systems, audiovisual systems, intercom systems, and intrusion alarm systems across educational, municipal, aviation, retail, healthcare, and commercial facilities.

Lou excels in conducting feasibility studies and utility master planning studies, producing comprehensive assessment reports that underscore his commitment to precision and excellence. Notably, he recently led the project management efforts for the electrical infrastructure renovation of LAX Terminal 7 (United Airlines) as part of a major terminal overhaul. Additionally, he successfully managed the construction of a new hangar and maintenance facility for United Airlines.

Presently, Lou is at the helm of construction administration for a groundbreaking structure at Tom Bradley International and Terminal 5.5. His ongoing contributions underscore his dedication to delivering high-quality solutions in the field of electrical engineering and project management.

Marida Fender

Senior Electrical Design Engineer

“Responsive, efficient, and 100% committed to my clients.”

Muhaned “Moe” Aziz, RCDD, CNIDP

Technology Director

“I am committed to the Client and Employee satisfaction.”

Muhaned (Moe) Aziz is a seasoned professional with over three decades of experience in the field of electrical engineering. As the Technical Director at PBS Engineers, Moe has established himself as a true expert in his domain, specializing in telecommunications and low voltage engineering. Moe has consistently demonstrated his exceptional expertise in the telecommunications and low voltage engineering sectors. His deep understanding of the intricacies of these fields, combined with his innovative thinking, has allowed him to stay at the forefront of technological advancements, providing clients with cutting-edge solutions.

Moe’s leadership qualities shine through in his roles as both the Technology Director and Project Manager. His visionary approach to project management, coupled with his dedication to achieving excellence, . Moe Aziz’s ability to lead and inspire his team is a testament to his commitment to delivering top-notch quality in every endeavor.

Moe’s passion for design has fostered strong relationships with clients who value his ability to transform their visions into reality. He is known for his sense of responsibility, unrelenting drive, and unwavering dedication to his work. He approaches each project with meticulous attention to detail, ensuring that every aspect is thoroughly considered and executed to perfection. His commitment extends beyond his personal success, as he is equally dedicated to fostering the success of those he leads and collaborates with.

Moe is a shining example of going the extra mile and then some in everything he does!

Nishit Patel

Senior Mechanical Design Engineer
Associate Principal

“Quality through Teamwork, Providing You Best Service.”

With a robust background spanning over fifteen years in mechanical design, engineering, construction administration, and project management, Nishit Patel boasts extensive expertise across diverse sectors. His project portfolio encompasses significant aviation renovations, healthcare facilities, educational institutions, and a spectrum of commercial ventures, ranging from large-scale developments to more intimate projects.

In his role, Nishit assumes responsibility as a manager of PBS’ Mechanical Department and for the comprehensive design of heating, ventilation, and air conditioning (HVAC) systems. This entails not only the meticulous preparation of specifications but also proficiency in cost estimating and adept project coordination. His purview extends to encompass initial design development, field investigations, heating and cooling load calculations, and the preparation of California Administrative Code Title 24 energy compliance documents. Nishit’s commitment to excellence is further demonstrated through his involvement in the review of drawings and seamless coordination of construction projects.

In his capacity as a project manager, Nishit serves as the direct contact and connects clients, project teams, and building departments. His adept coordination skills are crucial in fostering collaboration among all involved parties. His positive disposition coupled with ability to WOW make Nishit a crucial part of the PBS team.

Norman Patel

Senior Mechanical Project Engineer
Senior Associate

“Providing the best service to my client.”

Norman Patel boasts a track record of successfully engineering and executing cutting-edge mechanical systems designs, spanning an impressive 10 million square feet. His expertise encompasses a wide array of areas, including heat transfer and transport, intricate psychrometric studies, cooling/heating load calculations, energy savings analysis, and the strategic selection of systems with a focus on comparative solutions design. Committed to sustainability, Norman consistently integrates innovative concepts of renewable energy into every project.

Proficient in all aspects of mechanical engineering design, Norman navigates through feasibility studies, construction documentation, equipment specification and review, and construction administration to achieve optimal outcomes. His approach revolves around delivering client satisfaction through solutions that are not only elegantly simple and easily maintainable but also energy-efficient. Throughout this process, he remains attuned to budgetary constraints and ensures seamless interdisciplinary coordination.

Norman’s reputation for legendary attention to detail, coupled with his profound wisdom and unwavering commitment, sets him apart in the industry. His portfolio spans decades and includes diverse projects ranging from commercial and institutional buildings to campuses, schools, universities, theaters, warehouse facilities, laboratories, and hospitals.

Ramon Camacho

Senior Plumbing & Fire Protection Design Engineer
Associate Principal

“Striving to be your MVP.”

Ramon Camacho is our Senior Fire Protection and Plumbing Design Engineer with a career spanning over 25 years. Ramon has established himself as a leading expert in design and project management at PBS Engineers. With an extensive career in Fire Protection and Plumbing Design, Ramon’s broad knowledge base and experience have been instrumental in the successful execution of numerous projects, from small-scale designs to large commercial and industrial complexes.

Ramon’s understanding of fire protection systems ensures that every project he undertakes is not only compliant with the highest safety standards but also optimized for efficiency and reliability. One of Ramon’s defining characteristics is his relentless pursuit of knowledge and personal growth. Throughout his career, he has actively sought out learning opportunities to stay at the forefront of industry advancements. This commitment to staying updated with the latest technologies, codes, and regulations ensures that all the designs are always cutting-edge and in full compliance.

Ramon’s dedication to client satisfaction is a hallmark of his career. He understands that each project is unique, and he collaborates closely with clients to ensure their specific needs and expectations are met. Furthermore, Ramon’s exceptional interpersonal skills have allowed him to build and maintain positive relationships with everyone he works with and encounters.

Rey Alvarado

Senior Electrical Design Engineer

“Experience. Precision. Excellence.”

Rey Alvarado possesses extensive experience in analyzing, developing, and designing diverse electrical systems catering to a wide range of sectors, including government facilities, aerospace, K-12 and higher education, light industrial, retail, military, commercial, healthcare, and correctional institutional complexes. With over 35 years His roles encompass a comprehensive range of tasks such as assessing existing conditions, generating evaluation reports, crafting specifications, overseeing construction, ensuring code compliance, and handling all facets of electrical engineering and design.

His expertise extends to the design of lighting systems, both normal and emergency power systems, and communication systems such as audio/video conferencing, intercoms, corrective clocks, GPS wireless synchronized clocks, closed-circuit television, security/intrusion systems, public address systems, mass notification systems, fire alarms (manual and automatic), nurse call/code blue systems, patient tracking systems, school communications (education technology), and various other signal communication systems.

Currently, Rey is actively involved in several projects, including various Kaiser Permanente relocations, replacements, and upgrades. Rey’s in-depth knowledge of healthcare electrical systems, such as patient tracking, nurse call/code blue, and fire alarm systems, positions him as a key player in ensuring the success and precision of PBS Engineers’ endeavors in the healthcare sector.

Ron Martinez

BIM Manager & Job Captain
Associate Principal

“My Commitment, Your Success.”

Ron Martinez, is an expert in BIM modeling and Virtual Design Coordination. He brings a wealth of experience as a Job Captain to the PBS team, having worked on prestige’s projects such as the LAX Midfield project, Foothill Gold line and more. With over two decades of expertise in BIM/CAD production management, standards implementation, and quality control for all BIM design models and CAD drawings, Ron plays an integral role at PBS.

As the Job Captain for pivotal projects, Ron manages his department and oversees every aspect of the project life cycle. From initiating projects to fostering team communication, managing documents and files, to preparing milestone project submittals, he ensures a seamless and efficient workflow.

Ron is not only a skilled professional in BIM modeling and Virtual Design Coordination but also showcases exceptional talents in creating and designing branded materials for PBS. His creative prowess extends beyond technical aspects, as he brings a unique blend of artistic flair and attention to detail to the production of branded materials. Leveraging his extensive experience as a Job Captain and his proficiency in BIM model management, Ron ensures that PBS’s visual identity is consistently reflected in all design elements. Whether it’s developing visually compelling presentations, crafting cohesive marketing materials, or refining the overall aesthetic of project documentation, Ron’s creative touch adds a distinctive and polished quality to PBS’s branded output.

Scott Davenport, P.E., LEED AP

Senior Project Leader
Senior Associate

“The difference between ordinary and extraordinary is that little extra.”

Tamam Al Esedi

Associate, Senior Electrical Design Engineer

“Trust me; I’m an Engineer.”

Tania Calle

Associate, Accountant/Human Resource

“I am committed to Client and Employee Satisfaction.”

Tariq Hassan, PE

Senior Mechanical Engineer
Associate Principal

“I will strive to exceed our Client’s expectations as well as the goals of the project. While Challenging at times, aligning these principles is extremely rewarding.”

With over 25 years of experience, Tariq Hassan is a seasoned senior project mechanical engineer and manager. His expertise spans various facets of HVAC design, including specialized applications such as laboratory and kitchen hood exhaust, vehicle garage ventilation, dust collection, central plant, and cogeneration systems. Tariq has successfully designed mechanical systems for diverse sectors, including aviation, commercial, residential, educational, healthcare, entertainment, data centers, industrial, and military facilities.

In his role as a project manager, Tariq adeptly leads engineering teams, overseeing the entire engineering design process for our diverse clientele. His proficiency also includes conducting feasibility studies, comparative energy utilization studies, and overseeing energy conservation projects such as chilled water systems, cogeneration, and energy audits.

Tariq excels not only in the technical intricacies but also stands out for his exceptional interpersonal skills and management talents. His ability to lead his team is underscored by a keen understanding of project dynamics, effective communication, and a collaborative approach. Tariq’s adept management style ensures seamless coordination throughout project phases, fostering a positive working environment. Coupled with his extensive industry expertise, his interpersonal finesse makes him a standout professional, capable of navigating complex MEP+ projects with precision and efficiency.

Viraj Patel

Senior Mechanical Design Engineer
Associate Principal

“We exist to ensure customers succeed – anytime, anywhere, anything for our clients.”

Viraj Patel leads the mechanical department at PBS Engineers, overseeing a mechanical team of over 21 professionals across our offices in Glendora, San Diego, Orange County, Los Angeles, and Houston. With over 15 years’ experience combined with his role as one of our Mechanical Department Managers, Viraj provides technical leadership, ensuring the high quality of PBS services. With a background in project management, consulting engineering, and construction administration, Viraj brings a wealth of expertise to his work.

His extensive experience spans a diverse range of projects, exposing him to numerous challenges that he adeptly addresses with creative and efficient solutions. Viraj’s design proficiency extends to high-performance green buildings, ultra-efficient central plants, and innovative control strategies.

Viraj’s valuable contributions have significantly influenced the firm’s growth, as evidenced by his oversight and involvement in aviation, transportation, and water district projects. He has played a crucial role in establishing and maintaining successful, long-term client relationships. 

Viraj also possesses exceptional interpersonal skills, marketing abilities, and managerial talents. His adept interpersonal skills enable him to build strong, enduring relationships with clients and team members alike. Viraj’s marketing prowess is evident in his ability to effectively promote and represent PBS. As a manager, he excels in overseeing a diverse team and provides technical leadership while ensuring the delivery of high-quality work.

Wilsun Menor

Senior Plumbing Design Engineer

“People before the project. It’s always about building people who become part of effective Teams.”

Aaron Gonzalez

Electrical Design Engineer

“Meet and exceed expectations.”

Afzal (Affy) Ahmad

Senior Mechanical Project Engineer

“My goal is to bring and add significant value to your entire team.”

Amos Fitzgerald

Senior Technical Designer

Anand Chinchane

Junior Mechanical Design Engineer

“Commitment is the small choice we make every day that leads to the final results we strive for.”

Andy Lam

Electrical Designer

“Go out one day, and come back with a basket full of wisdom.”

Angel M. Tuazon

Electrical Design Engineer

“Committed to providing outstanding service and support.”

Ariel Godoy

Plumbing Designer

“To provide quality, constructability, and technical ability excellence for our clients.”

Armando Chairez

Electrical Revit/CAD Technician

“Rest assured that my work will be done with quickness, and the most effectiveness.”

Aurelio Estrada

Electrical Designer

“We will either find a way or make one.”

Avalon Whalen

Marketing and Proposal Specialist

“I am dedicated to providing a level of service that is both refined and empathetic towards others.”

Bandara Somatilaka

Mechanical Designer Engineer

“I approach each day with passion, enthusiasm, and a commitment to excellence. I consistently strive to deliver the highest quality of work, going above and beyond to exceed expectations.”

Bill Lofstrom

Senior Project Manager Mechanical

Billy Turcios

Senior Plumbing and Fire Protection Engineer

“Bringing Inspiration and Innovation to Building System Design.”

Calef Requena

CAD Technician

“Here, For You.”

Carmela Cruz

Plumbing Design Engineer

“Committed and determined to provide clients with an efficient and fully functional Plumbing system.”

Charles Cruz

CAD Operator

“Quality exceeds quantity, so details are key to me as they are to you.”

Crystal Suarez


“Committed to reaching the highest expectations in order to inspire those around me.”

Dan Truong

Mechanical Design Engineer

“I am committed to providing high-quality service and designs.”

Darshan Patel

Electrical Design Engineer

“To partner with our clients and team members to achieve their goals by providing responsive engineering and professional consulting services.”

Denishkumar Vaghasiya

Electrical Design Engineer

“Our mission is helping others accomplish theirs.”

Donaldo Gecoso

Senior Electrical Design Engineer

“My goal is to make your life easier by providing you with what you need when you need it.”

Eduardo Vital

Senior Mechanical Engineer

“The client’s satisfaction is my ultimate goal.”

Fabian Blanco

Junior Mechanical Design Engineer

“My goal is to provide quality engineering solutions that will meet your needs 100% of the time.”

Fatimah Alani

Electrical Design Engineer

“Providing best design service and client satisfaction is my ambition.”

Gary Yang

Mechanical Design Engineer

“My goal is to serve to client heart and soul.”

Gregory Morrison

Senior Electrical Design Engineer

“My ultimate goal is to exceed expectations.”

Haider Kala

Electrical Design Engineer

“Turn problems into opportunities! Provide solutions, not problems.”

Harrison Mitchell, P.E.

Mechanical Engineer

“My goal is to provide you with top-notch service in any way that I can.”

Henry Luu

Revit MEP/Electrical Design Engineer

“I am committed to providing you with high-quality services.”

Jessica Chairez

Executive Assistant

“I intend to provide the best service which cannot be bought or measured with money, but felt with sincerity and integrity.”

Jorge Barillas

Senior Mechanical Designer

“Committed to provide excellent customer service.”

Jose Arcangel

IT Support Specialist

“Committed to providing you with outstanding service and support.”

Joshua Barberena

Electrical Designer

“My mission is to protect the integrity of your project by providing quality work, determination, and a commitment to excellence.”

Juan Medales-Hernandez

Field Technician

“My role as a field technician is a significant responsibility, and I will make it a priority.”

Julie Tigno

Senior Marketing/Compliance Coordinator

“Providing the best service efficiently.”

Katherine Kiliona

Senior CADD Operator

“Providing Best Service is instinct.”

Kenneth Emeson

Senior Electrical Design Engineer

“Every problem has a solution. Look at it from all angles.”

Kevin Olarte

Mechanical Design Engineer

“My goal is to serve you and help any way I can.”

Krushik Shah

Mechanical Design Engineer

“Let our ideas work for you.”

Laura Ashe

Mechanical Design Engineer

“My goal is to do the best work I can to help the most people possible.”

Luis Cruz

Senior Mechanical Designer