CAPITAL ENGINEERING - Key Persons


Aaron Wintersmith

Job Titles:
  • Member of the Management Team
  • Project Manager
  • Senior Energy Analyst, LEED AP BD C
Aaron performs whole building energy analysis using both ASHRAE 90.1 and Title 24 methodologies to support green programs such as ZNE, CHPS and LEED and energy incentive program Savings By Design. Using his simulation and design experience, he provides recommendations for improved building energy performance, ultra-low EUI, and lowered energy costs. He is an expert on the requirements of Title 24 Part 6, as well as the application and submission processes for Savings By Design, LEED Rating Systems and ZNE Certifications. Additionally, Aaron has served as a Project Manager and HVAC Designer at Capital for 2 years. This experience gives him insight into the system types, control schemes, and component layouts that many simulators lack. His deep understanding of mechanical design principles and typical practices informs his simulations leading to greater accuracy and greater savings.

Ahmed Abdelfatah

Job Titles:
  • Mechanical Engineer

Alberto de Barrena-Sarobe

Job Titles:
  • Associate
  • Senior Project Manager
As Senior Project Manager of Capital's Civic and Government team, Alberto provides day-to-day "hands-on" project management experience of engineering, documentation, calculations, modeling and general project administration. Mr. De Barrena-Sarobe has worked on a wide variety of facilities for the federal government and in the healthcare sector. He holds extensive experience with LEED and LEEN processes and principles, as well as the WELL Building Institute challenge.

Alex Li

Job Titles:
  • Mechanical Engineer

Anthony Colacchia

Job Titles:
  • Principal
Anthony, a graduate from California State Polytechnic University, San Luis Obispo, joined Capital in 1991. During his 20 year tenure with Capital, Anthony manages the Civic and Justice market sectors with extensive experience in courthouse, detention, and treatment facilities, both at the county and state level. His project portfolio includes airports, offices, healthcare, university, office, data centers, central plants, laboratory, and parking structures. His work involves many different delivery methods including integrated project delivery, design-assist, master criteria engineer, and design-build.

Armando Hernandez

Job Titles:
  • Electrical Engineer

Ashkan Azarkeyvan

Job Titles:
  • Principal, M.E., CxA, LEED AP, EMP / Director of Commissioning
  • Principal, PE, CxA
Ashkan brings engineering principals, theoretical design, and field evaluation to the Capital team. He has extensive experience in BAS trending, troubleshooting building systems' performance, HVAC controls, building automation, mechanical equipment and systems. Since joining Capital 10 years ago, his commissioning experience has grown to encompass every facet of fundamental and enhanced commissioning under different code and program requirements such as Title 24, CALGreen, LEED, CHPS and custom commissioning. Tasks he regularly tackles include specifications, design and construction constructability reviews, writing test protocols, commissioning plan development, hands-on technical evaluations and field observation, scheduling, TAB reports and submittal reviews.

Babak Kaviani

Job Titles:
  • Solar Systems Senior Electrical Engineer

Ben Johnston

Job Titles:
  • Electrical Engineer

Bill Vogt

Job Titles:
  • Senior Designer

BIM Tech

Job Titles:
  • Staff Member

Bryan Johnson

Job Titles:
  • Principal
  • SENIOR PRINCIPAL
Bryan has been involved in the leadership of Capital since joining the firm in 1997. Bryan brings over 30 years of expertise in a broad array of project types and sizes including and healthcare, laboratory, central plant, office, large retail, military, energy management, hotel, and educational. Bryan is active in Lean and IPD community and is a firm leader advancing the internal development of Lean implementation and collaborative practices and in BIM development, implementation, and collaboration firm-wide.

Calvin Suva

Job Titles:
  • Project Accountant

Christopher Tejeda

Job Titles:
  • Director of Business Development
  • Member of the Management Team
Christopher's 30+ years of marketing experience is mostly outside the A/E/C world and brings a marketing-centric view to A/E/C marketing. He has worked for advertising agencies, non-profits and high-tech companies executing a diverse portfolio of marketing and public relations campaigns. Christopher has been with Capital since 2016 and oversees the BD team efforts in both overall strategy and tactical campaigns. As the BD Manager he helps strengthen relationships with clients and industry partners while working with principals and project managers to help them achieve their business development goals. Hidden For the attention of:

Chuck Shinneman

Job Titles:
  • Associate Principal, M.E., CxA, LEED AP BD C / Director of Training & Knowledge Management
  • ASSOCIATE PRINCIPAL, PE, CxA, LEED AP BD C / Director of Training & Knowledge Management
Chuck is responsible for overseeing the firm's energy programs and commissioning, and plays an integral role in expanding the company's capabilities, including commercial, healthcare, and government facilities. Mr. Shinneman's specialties include engineering, technical analysis, energy management, alternative energy systems, whole building commissioning, and LEED certification. Hidden For the attention of:

Daniel Lee

Job Titles:
  • Fire Sprinkler Designer

Dave Voelker

Job Titles:
  • Construction Administrator

David Yasinskiy

Job Titles:
  • Mechanical Engineer

Eduardo Ramirez

Job Titles:
  • Engineer

Emil Balceta

Job Titles:
  • Mechanical Engineer

Eric Gleaves

Job Titles:
  • Plumbing & Fire Sprinkler Designer

Eric Gustafson

Job Titles:
  • Mechanical Designer

Frances Miyamoto

Job Titles:
  • Administrative Assistant

Grace Thomasmeyer

Job Titles:
  • Mechanical Engineer

Harry Lim

Job Titles:
  • Senior Mechanical Project Manager

Hunter Clark

Job Titles:
  • Mechanical Engineer

Jefferson Gulde

Job Titles:
  • Electrical Engineer

Jerry Campbell

Job Titles:
  • Senior Electrical Designer

Jessica Hughey

Job Titles:
  • Associate
  • Project Manager
Jessica Hughey, EIT and MBA, has years of experience in HVAC and plumbing systems design. She has detailed experience with Title 24 compliance, energy modeling and LEED documentation along with extensive practical REVIT knowledge. Since joining Capital in 2017, she has worked in the Civic, K-12 and Higher Education Markets on a large variety of projects on tasks such as HVAC load calculations, plumbing calculations, and equipment selection. A highlight of Jessica's tenure with Capital thus far was in taking the lead role in the HVAC design for the re-designed California State Capitol Annex.

Joe Duval

Job Titles:
  • Project Manager
  • Senior Associate
  • Senior Associate, Civic Team Leader
Joe, Mechanical Engineer, has been with Capital Engineering for over 10 years. He has experience with HVAC design, plumbing design, construction administration, and commissioning work across a variety of different project types, including correctional facilities, civic buildings, schools, healthcare projects, office buildings, and hotels. As a project manager, he is responsible for numerous technical engineering tasks like equipment selection and system design, as well as oversight and monitoring of project quality, schedules, and financials. Joe brings a strong focus on efficient coordination to his projects, and strives to provide dependability and quality to his clients. Hidden For the attention of:

Joel Valencia

Job Titles:
  • Associate
  • Engineer
  • Plumbing Engineer
Mr. Valencia has served as Plumbing Engineer since joining the Capital team in 2016 as part of K-12 School design team. His responsibilities include plumbing design from schematic design thru construction documents of plumbing systems including but not limited to: sanitary waste, sanitary vent, storm drains, propane & natural gas, acid waste & vent, indirect drainage piping, compressed air and water heaters. Duties include evaluation of systems and methods, as-built plan investigation, product research, calculation for pipe and equipment sizing, proposal and coordination of material specifications, plan layout and providing details standard to industry. Hidden For the attention of:

John Carter

Job Titles:
  • Mechanical Designer

John Gumawid

Job Titles:
  • Senior Electrical Engineer

John Halloran

Job Titles:
  • Mechanical Engineer

John Say

Job Titles:
  • Project Manager
  • Senior Associate
  • Senior Associate, Project Manager, Healthcare Team
Since joining Capital in 2007, John has garnered valuable hands-on experience in the design and engineering of large healthcare mechanical and plumbing systems. As a Project Manager Mr. Say's thorough understanding of complex mechanical systems interaction other building systems has been an asset on the projects he has worked on. His day-to-day project management responsibilities include developing design strategies for mechanical and plumbing systems and being the lead for Capital's MEP design team on healthcare projects. Additionally, John's experience includes elements of the commissioning process that include reviewing OPRs, BODs, design drawings, and developing and witnessing functional tests for mechanical, plumbing, and electrical systems. Hidden For the attention of:

Jon Shipley

Job Titles:
  • Senior Electrical Designer

Joseph Carbonel

Job Titles:
  • Principal
Mr. Carbonel has experience in mechanical and plumbing design for various healthcare projects. His responsibilities encompass providing day-to-day "hands-on" design and management for the mechanical engineering design team, calculations, and general project administration. Joseph is also one of the firm's leaders in Revit and 3D CAD MEP.

Katriona McLean-Lucas

Job Titles:
  • Member of the Management Team
  • Office and Human Resources Manager
Katriona has recently joined Capital as its Office/HR Manager. With her MBA from Brandman University, and BA in Political Science from Chapman University, she also brings a breadth of experience, which spans the fields of Government, Education, and Manufacturing. Within the context of Human Resources, Katriona operates within a framework of service to others, continuous improvement, and understanding that leadership is about offering structure, guidance, and integrity. Hidden For the attention of:

Kevin Stillman

Job Titles:
  • Principal
  • PRINCIPAL, ME
Kevin, holding a Bachelor of Science degree in Mechanical Engineering from California Polytechnic State University, San Luis Obispo, has served as Project Mechanical Engineer and Project Manager since joining Capital in 2002. His current role provides day-to-day "hands-on" management of the mechanical engineering design team, development of design concepts, and management of engineering and documentation, and general project administration.

Kurt Kriz

Job Titles:
  • Staff Member

Kylie Brooks

Job Titles:
  • Human Resources Assistant

Mark Bravo

Job Titles:
  • Mechanical Engineer

Mark Reid

Job Titles:
  • Director of Information Technology
  • Member of the Management Team
As Director of Information Technology at Capital Engineering Mark has orchestrated significant technological advancement over the last decade. Coming from a technical consultancy and management background he developed a passion for business analytics, leadership, team building, communications, customer and vendor relations. As a technology solutions architect and strategist by trade, Mark bridges the gaps between the executive, production, and operations teams with the mission to deliver flexible, reliable, and scalable solutions engineered to meet strategic goals and production targets. Hidden For the attention of:

Matt Brooks

Job Titles:
  • Principal / Project Manager - Team Leader K - 12 Education
  • Principal / Team Leader of K - 12 Education
Mr. Brooks has served as Project Engineer and Project Manager for HVAC and plumbing on more than 125 educational facility projects since joining our firm in 2005. His responsibilities encompass providing day-to-day "hands-on" engineering for the educational facility design team, development of design concepts, documentation including calculations and general project administration. Matt's range and level of expertise includes assessments, modernization and new construction of educational facilities. Hidden For the attention of:

Matthew M. Hamilton

Job Titles:
  • Project Manager
  • Senior Associate
Matthew M. Hamilton, P.E., has been an asset to the Civic+ Government and Criminal Justice teams since joining Capital in 2008. While Matt concentrates on the criminal justice sector, he has experience with specialty laboratory work, central plant modification and replacement, and miscellaneous commercial work. His responsibilities include code analysis, energy modeling, equipment selection, and producing construction documents for mechanical, plumbing and fire protection systems with emphasis in Revit modeling. Hidden For the attention of:

Matthew Nemeth

Job Titles:
  • Plumbing Engineer

Michael Minge

Job Titles:
  • Principal
Mike has served as Project Mechanical Engineer/Mechanical Designer for HVAC and plumbing on more than 1,000 projects since joining our firm in 1980 after graduating from Central Washington University. His responsibilities encompass providing day-to-day "hands-on" management for the mechanical engineering design team, development for design concepts, supervision, and management for projects which include educational facilities, community centers, aquatic facilities, and commercial offices.

Mike Novotny

Job Titles:
  • Construction Administrator

Mike Stanton

Job Titles:
  • Principal
  • Principal, Director of Urban Development
Mike was the founding principal of Stanton Engineering which merged with Capital in 2022. He now leads Capital's Urban Development Group. Mike has 32 years of experience in the mechanical engineering field. His diverse skillset includes energy modeling, MEP estimating, value engineering analysis, constructability and coordination, commissioning services, and construction management. Mike's career has included positions as a consulting mechanical engineer, a project manager for a design/build mechanical subcontractor, and as an MEP coordinator for a large general contractor. In addition to his experience with mixed-use, multi-family, hospitality and senior living projects, Mike has also been involved in higher education, office, healthcare and public facilities projects for new construction, remodels and campus master planning. Mike has gained broad perspective into the mechanical engineering field through his career path and his involvement in varied types of projects. Hidden For the attention of:

Nathan Hearn

Job Titles:
  • Associate
  • Electrical Engineer
  • Project Manager
  • Senior Associate
Mr. Hearn has extensive experience designing electrical systems for many types of facilities including civic, hospitals, medical offices and clinics, office, industrial, commercial, municipal, and water utility projects. Nathan has been project manager and electrical design engineer for civic and government, new nursing homes, assisted living centers, and memory care facilities with emergency electrical distribution systems subject to NEC 517. He has performed electrical coordination studies in hospitals for modified and expanded electrical distribution systems and created Time Current Curves to demonstrate new circuit breakers for panels, subpanels, and equipment that are fully coordinated with existing upstream and downstream circuit breakers. Hidden For the attention of:

Nick Nichols

Job Titles:
  • Plumbing Designer

Plamen Hristov

Job Titles:
  • Member of the Management Team
  • Associate, Director of Design Technology
  • Director of Design Technology Associate
Plamen brings 8 years of experience in the AEC industry in his role as the Director of Design Technology at Capital. His responsibilities include implementation of BIM, IPD, and Virtual Design, plus training the staff for increased proficiency in Revit and BIM. Prior to his role at Capital, Plamen conducted training and consulting for a major Autodesk reseller and lectures at numerous events including Autodesk University, Revit Technology Conference, Ecobuild America, AUGI CAD Camp, Ideate Presents, various universities and others. He has published numerous articles at Edge Magazine and at AUGI AEC including his most recent publication of the book Mastering Autodesk Revit MEP 2013. Plamen continues to be a top presenter at Autodesk University and the Revit Technology conferences and brings the perspectives gained from his practical experience. Hidden For the attention of:

Rachael Osborn

Job Titles:
  • Marketing Coordinator

Ramon Ramos

Job Titles:
  • CxA, Commissioning Project Manager

Reid Lionakis

Job Titles:
  • Mechanical Designer

Richard Honda

Job Titles:
  • Senior Plumbing Designer
  • Senior Plumbing Designer, Team Leader
Mr. Honda has developed expertise at supervising project personnel and project coordination with HVAC, electrical, Structural and Civil disciplines to ensure that projects are finished in a timely manner.

Richard Lingo

Job Titles:
  • Project Manager

Ryan Celaya

Job Titles:
  • Mechanical Engineer
  • Senior Associate
  • Senior Associate, Project Manager, Education Team
  • Senior Associate, Team Leader Education
Mr. Celaya is a licensed mechanical engineer with over 13 years of experience in the HVAC consulting field. Ryan holds extensive experience with LEED projects and documentation. He is involved in all aspects of the project, from proposals and budgeting to construction documents and administration. Hidden For the attention of:

Sharon Norton

Job Titles:
  • Senior Administrator

Stephanie Ferro

Job Titles:
  • Administrative Assistant

Steve Myers

Job Titles:
  • Principal, M.E., LEED AP BD C / Science & Technology Team Leader
  • Principal, PE, LEED AP BD C / Director of Science, Technology and Healthcare
Steve graduated with a Bachelor of Science from the University of California, Santa Barbara in 1979 and joined Capital in 1986. He has extensive experience in the design of environmental systems for all types of buildings including those containing state-of-the-art mechanical systems found in today's higher education facilities and advanced technology companies. Steve applies innovative master planning and design solutions to new and renovation projects for healthcare, office buildings, laboratories, kitchens, and educational facilities. Hidden For the attention of:

Steven Lopez

Job Titles:
  • Project Manager
  • Senior Associate
  • Senior Associate / Project Manager, Director of Fire Sprinkler Design
Mr. Lopez has served as Project manager and Senior Fire Sprinkler Designer since joining the Capital team in 2016. His responsibilities include day-to-day project management for fire sprinkler design projects and is a member of the the mechanical and plumbing engineering design team. Steven oversees the documentation management, DSA submittals, calculations, REVIT Modeling and general project administration of Capital's fire sprinkler design efforts. Steven has over 12 years of mechanical, plumbing and fire sprinkler design and engineering experience. Hidden For the attention of:

Tadd Wible

Job Titles:
  • Design Technologies Assistant Manager

Tatyana Pivnik

Job Titles:
  • Accountant

Theera Sirinopwongsagon

Job Titles:
  • Senior Plumbing Engineer

Torri Bailey

Job Titles:
  • Designer