Kenneth Tait

Chairman Emeritus, P.E.

Kenneth E. Tait founded TAIT & Associates in 1964.  Throughout the 1960s, he managed the design and construction of hundreds of gasoline stations throughout California, while building the small consultancy. As time went on, Mr. Tait developed additional design services, including airport fueling systems, fuel bulk plant design, and military facility design. Mr. Tait was an early innovator in air pollution control, holding several patents for  gasoline vapor recovery and containment. Many of the technologies he developed are currently employed on a global scale. He has designed and/or developed several commercial and industrial projects throughout the western U.S. In the 1980s and 1990s he founded and grew TAIT Environmental Services (TES) and TAIT Environmental Management (TEM). TES specializes in fuel containment construction, maintenance and regulatory compliance, while TEM specializes in the assessment and remediation of groundwater, soil, and asbestos contamination.  In 1957, prior to the founding of TAIT & Associates, Mr. Tait was the primary engineer working with a group that located  El Gattar #1, the first oil well in Libya. Though currently retired from most daily business operations, Mr. Tait is very active in Legatus, Knights of Malta, and other charitable organizations. He achieved his bachelors and doctorate degrees from Montana State University.

Thomas F. Tait

Chief Executive Officer, Principal

Tom Tait is CEO of TAIT & Associates (, a national engineering and environmental company. In November 2010, Tom was elected Mayor of Anaheim and re-elected to his second term in November 2014. He was termed out of office in December of 2018. Tom ran on a platform of bringing the values of kindness and freedom to the culture of the city. He was inspired to run on this platform by a 6 year old girl and her father, a holistic doctor, who believed that, like a body, a city can heal holistically, as opposed to simply treating the symptoms. As mayor, Tom promoted Anaheim as a City of Kindness. Under his Kindness Initiative, Anaheim Elementary School District students fulfilled a pledge to complete 1 million acts of kindness. Inspired by Anaheim’s “million acts of kindness”, Mayor’s throughout the country have committed to fostering a culture of kindness in their cities to build social infrastructure and stronger more resilient communities. Tom has been invited to discuss his Anaheim kindness initiative at United States Congress, The White House, The Yale School of Management CEO Leadership Institute, The U.S. Conference of Mayors, and The Strong Cities Network International Combatting Violent Extremism.  He is the founder of – a non-profit platform that is the growing center of the kind movement – a coalition of organizations working to inspire kindness in our world. Tait received his Bachelor of Science from the University of Wyoming and an M.B.A and Law degree from Vanderbilt University. Tait and his wife Julie have four grown children and 5 grandchildren. They have been married for 37 years.

Rich Tait

President, Principal

With over 25 years of property development, environmental compliance, and business management experience, Mr. Tait is the current President of TAIT.  His experience is in project management and program management in multi-site construction and retrofit projects.  Additionally, he has managed the design and environmental compliance on hundreds of hazardous materials’ projects. He also has vast entitlement and zoning management experience, as well as field experience with surveying, on-site fuel storage tank and piping installation.  He has worked extensively for clients such as Texaco, Safeway, Unocal, Walmart, Exxon, Shell, Carl’s Jr., and numerous private developers in the areas of commercial and residential development.  He is an active member of the International Council of Shopping Centers and Building Industry Association, among other organizations. Mr. Tait  obtained a B.A. from the University of Southern California and then went on to earn an MBA from Chapman University.

Trevor Tait

Managing Director, Principal

Trevor Tait currently serves as Managing Director of TAIT & Associates and TAIT Environmental Services.  He is responsible for overseeing the performance, strategy, and vision of the companies.  Before joining TAIT, he worked as a project manager for large public infrastructure projects throughout the east coast.   He is an active member of The Urban Land Institute, the International Council of Shopping Centers, and is a member of the Impact Collective Fund with the Orange County Community Foundation.  He is also a member of Young President’s Organization (YPO) in the Cal Coast Chapter of Orange County.   Trevor received his Bachelor of Engineering in Civil Engineering from Vanderbilt University.  He lives in Dana Point with his wife Tori and they have two small children.

Jacob Vandervis

Chief Operating Officer, P.E.

Mr. Vandervis currently serves as a Vice President and Chief Operating Officer in TAIT’s Corporate Office in Santa Ana.  In addition to his management duties, he acts as the primary point of contact for several national retail and residential developers.  With over 20 years of experience he has the knowledge to take on all of the challenges presented to him.  In addition to having a B.S. in Civil Engineering from Long Beach California State University, he is also a Registered Professional Engineer in California, Oregon, Arizona, Utah, Nevada, and Alaska.

James D. Streitz

Chief Operating Officer - TAIT Environmental Services

Mr. Streitz brings a unique perspective to the Chief Operating Officer’s role, with over 10 years of Operations Experience, combined with over 10 years of Corporate Financial Management experience. He oversees the operations of TAIT Environmental Services, Inc. and ensures that the operations’ personnel have all information available to them to effectively manage their projects and associates, through a weekly, monthly, and annual management reporting system. He also serves as the Qualifier and is the responsible managing officer on TAIT’s California, Oregon, Washington, Louisiana, Mississippi, Florida and Nevada General Contractor’s Licenses. His responsibilities include oversight of the company’s enterprise accounting, job cost, and project management system. He is a member of several CFO organizations and Beta Gamma Sigma, the International Honor Society for Collegiate Schools of Business. In addition to receiving his MBA from Chapman University he was granted the Financial Executives International Award for Outstanding Graduate Student.

Kristine Castillo

Director - Human Resources

Ms. Kristine Castillo currently serves as the Director of Human Resources of TAIT & Associates, Inc. and TAIT Environmental Services, Inc.  She is responsible for the day to day activities of the HR department as well as identifying top talent acquisition & retention strategies, benefits administration, and legal compliance. Kristine received a Bachelor of Science degree with an emphasis in Human Resources from California State Polytechnic University, Pomona. She has a combined 9 years of experience within industries such as aerospace manufacturing, warehousing & distribution, and engineering consulting. The diversity in industry experience helps her to manage and undertake challenges that may arise. After work, you can find Kristine at Target or with her family at the baseball & softball fields.

Greg Stewart

Vice President

Mr. Stewart is Vice President and General Manager of Tait & Associates, Inc. His primary responsibilities revolve around the successful management of some of the company’s major projects and key accounts. With over 30 years of experience in land development projects, he specializes in the redevelopment and rehabilitation of commercial and industrial properties in Southern California. His specific experience includes in-depth involvement in project management, design, surveying, mapping, construction and supervision. Mr. Stewart has worked in nearly every city and county in Southern California. His projects have required direct involvement with most governmental oversight agencies, including the Los Angeles, Santa Ana and San Diego Regional Water Quality Control Boards, South Coast Air Quality Management District, and most local municipal Building, Planning and Fire Departments. He is also a proud member of the California Land Surveyors Association and International Council of Shopping Centers.

Mike Silvey

Vice President, P.E.

Working as the Vice President of the Civil Engineering department in corporate headquarters, Mr. Silvey has extensive experience in project management and civil engineering design of commercial and industrial projects.  He is in charge of managing projects from planning through construction. This includes sewer design and analysis, grading, drainage, flatwork, wet and dry utilities, retaining wall design, street improvements and hydrology and hydraulic calculations. As a certified Professional Engineer of California and Qualified Storm Water Developer in California he is able to oversee every facet of a job from start to finish.  He is a member of the National Society of Professional Engineers, Building Industry Association, and International Council of Shopping Centers, along with having a B.S. in Civil Engineering from the University of Pennsylvania.

Jason Jones

Chief Financial Officer

Jason Jones currently serves as Chief Financial Officer of TAIT & Associates, Inc. and Tait Environmental Services, Inc.  He is responsible for overseeing the day to day financial operations for all TAIT Divisions.  These activities include cash flow management, budget management, and financial reporting.  He has 15 years of experience with TAIT in multiple roles.  He brings an operations perspective to the company’s financial management having served in a construction project manager role before taking over his current duties.   In addition to having a B.S. in Finance and Business Administration from Minnesota State University Moorhead, he also belongs to several industry financial organizations.

Tim Ericsen

Executive Vice President - TAIT Environmental Services

Tim Ericsen currently serves as the Chief Operations Officer of TAIT Environmental Services, Inc. and has experience managing large-scale operations and complex organizations.  His professional career has afforded him multiple leadership opportunities.  During his ten year career as an F-18 Fighter Pilot and Naval Officer, Mr. Ericsen specialized in operational management, quality control and technical training.  Transferring those skill sets to the civilian sector, Mr. Ericsen has successfully developed, implemented, and managed multiple environmental programs.  Today he is responsible for all the facets of TAIT Environmental Services, Inc. operations, including the oversight of over 50 associates in five office locations throughout the United States.  It is the responsibility of Mr. Ericsen to ensure that company performance goals are met, while providing opportunities for the professional growth of all TAIT associates. He holds numerous environmental certifications and earned a B.S. in Aerospace Engineering from the University of Southern California.

Susan Dillingham

Vice President, NCARB

Susan Dillingham is a Vice President of Architecture for TAIT & Associates. She currently shares responsibility for diversifying TAIT’s project portfolio, growing the architecture team, and leading key client accounts. Bringing over 28 years of experience in the design and construction industry, with significant expertise in grocery retail, her passion for quality, focus on client satisfaction and creativity help take TAIT Architecture to the next level. Prior to joining TAIT, she worked for a major grocery retailer serving in several different capacities, most recently as a Director of Store Development responsible for real estate and project management software systems. She received her Bachelor of Architecture from the University of Idaho and is NCARB Certified, with architectural licenses in Idaho, Texas and Oklahoma. Outside of work she spends time volunteering at the Idaho State Veteran’s Home, and enjoying the Idaho outdoors with her family.

David Sloan

Vice President, P.E.

David is Vice President and Director of Engineering at TAIT and is responsible for engineering staff management in the Santa Ana Office, as well as managing public and private development engineering design and construction management projects throughout the Southern California region. David’s broad background of engineering and construction projects prior to joining TAIT has given him unique experience in roles such as Design and Construction Management, Public Relations and Coordination, CAD Management and Development, as well as Marketing and Proposal Writing. David obtained his Civil Engineering degree from the University of Southern California and also obtained an Engineering Focused Physical Science degree and a Minor in Bible from Biola University. He is a licensed professional engineer in the state of California and  a member of the American Public Works Association (APWA). When David is not furiously typing away at the office, you will find him happily at home with his wife while working together to keep track of their three active little children, and spending any other spare time they may have catching up on favorite shows, cooking and baking dishes, and enjoying local breweries.

Stan Iverson

Vice President, P.E.

Mr. Iverson is a licensed civil engineer experienced with land development projects in California and Nevada and acts as Vice President for one of TAIT’s offices.  His areas of expertise include site design, grading design, drainage studies, water pollution control plans, erosion and sediment control plans, as well as street improvement plans.  In addition, Mr. Iverson has completed many fuel tank upgrade programs for various major oil company sites and done facility upgrades for utility clients. Through multiple fueling projects he has been responsible for entitlement, site design, utility coordination, plan approval, and construction administration.  He is a member of the American Water Works Association, National Fire Protection Association, and American Society of Civil Engineers.  Mr. Iverson has a B.S. in Civil Engineering from University of North Dakota and a B.S. in Construction Management from North Dakota State University, giving him a rounded education to apply to his work.

Mike MacFarland

Vice President

Mike MacFarland currently serves as Vice President of TAIT & Associates’ Land Development Division. He is responsible for overseeing several Retail Programs from Lease Negotiations, Entitlements, Construction Documents, and Store Openings. Mike received a Bachelors degree from San Diego State University in Public Administration and has over 20 years of experience in Retail Project Management. He is a golfing enthusiast and enjoys traveling with his wife, Diana.

Alex Hoime

Vice President, P.E.

Alex Hoime currently serves as Vice President overseeing Engineering, Survey, and Development Consulting Services in TAIT’s Colorado office. He has designed and managed a variety of commercial, residential, industrial, office and transportation projects throughout the Western US since joining TAIT in 2004. Alex received his Bachelor of Science degree in Civil Engineering as well as his Master of Engineering from the University of North Dakota. He holds professional engineering registrations in several states and is involved with NCEES and ASCE. When not hard at work, he enjoys heading up to the mountains with his wife and two boys.

Dan Hinson

Vice President, Architect

Dan Hinson currently serves as Vice President of TAIT Architecture. While majoring in Architectural Engineering at the California State University of Fullerton, he concurrently worked for Architects and Contractors and received his License to Practice Architecture in 1998. His extensive development background from conceptual design to general contracting sets him apart from other Architects. With an extensive architectural and construction background, he has the ability to create architecturally sensitive, highly efficient designs. It is this understanding that gives clientele confidence that their projects will meet budgets and be completed on time, a value that brings vision into reality.

Greg Fick

Vice President

Greg Fick currently serves as the Vice President of Land Development at TAIT & Associates and has been with the company since 2004. He is a responsible for overseeing and growing our large, diverse, complex land planning related accounts. Greg uses his extensive experience to manage the consulting engineers, interface with governing agencies, and secure permits for projects from conception through construction. He is an active member of the International Council of Shopping Centers and is a Certified Development, Design & Construction Professional. Greg received a Business Administration degree with an emphasis in Management and Marketing from Chapman University. He lives in Orange with his wife Jillian, twin boys Joel and Thomas, and daughter Gwen. He enjoys traveling with his family and helping out with his children’s sports teams.