Leading Professionals That Care

We have assembled an outstanding group of seasoned veterans and specialists that have worked together successfully as a team.


Every associate at TAIT has been selected based on their knowledge of their field, their ability to cooperate with clients and staff, and their ability to work together to get the job done on time and within budget. Each project has sharpened our team’s skills so that we can keenly understand every project’s unique complexities and effectively apply that knowledge to every future development. Our unique combination of talent, scientific understanding, and design philosophy has enabled TAIT to steadily grow and prosper throughout the years.

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 currently serves as Chief Executive Officer of Tait & Associates, Inc. and Tait Environmental Services, Inc.. He is responsible for the overall operations of the firms. In addition to his duties at TAIT, in 2010 Tom was elected Mayor of Anaheim. He also serves as a board member representing the 4th district on the Orange County Transportation Authority which is in charge of the transportation issues for the entire county. Previously he served on the Anaheim City Council and on the Board of Directors of the Metropolitan Water District of Southern California (MWD). The MWD provides the imported water to the entire Southern California region. Tom has served on the Board of Catholic Charities of Orange County, The Salvation Army Adult Rehabilitation Center, and Anaheim GOALS. He is a member of the World President’s Organization (WPO). In 2002 he received an award from the Orange County Republician Party as the Local Elected Official of the Year. In 2010 was named by the Orange County Black Chamber of Commerce as Businessman of the year. He received his Bachelor of Science with Honor from the University of Wyoming, and his Master of Business Administration and Doctor of Jurisprudence from Vanderbilt University. Tom is a member of The California State Bar.


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.

Jacob Vandervis

Vice President and Chief Operating Officer, P.E.

Mr. Vandervis currently serves as a Vice President and Chief Operation’s 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 challengers 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.

Trevor Tait

Managing Director

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.  Trevor received his Bachelor of Engineering in Civil Engineering from Vanderbilt University.  He lives in Dana Point with his wife Tori and daughter Caroline.

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.

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.

Brian Liquin

Vice President

Mr. Liquin has nearly 20 years of experience in project management, program management, and property development in the retail and commercial industries. Since joining TAIT in 2006, he has taken the reins of the Boise office as first a Sr. Project Manager, then Regional Director, and now Vice President, managing architectural projects ranging from WinCo Foods Corporate Office Remodel Expansion in Boise to a new FBI Training Range in Anchorage, Alaska. His experience includes managing the development of dozens of retail food stores, drug stores, and fuel centers throughout the U.S. He has also managed the design and construction for a variety of remodel and retrofit projects, and he spent several years working on soil and groundwater remediation projects at various mines, fueling facilities, and industrial sites. Mr. Liquin’s management and architectural experience is further rounded out by a B.S. in Civil Engineering from the University of Idaho.

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.

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.