Key Personnel



Thomas E. Fasssbender

Tom E. Fassbender ~ P.E., P.L.S. Principal Civil Engineer / Land Surveyor

Education: Bachelor of Science, Forest Engineering, 1984 Oregon State University

Professional Licenses:

  • Civil Engineering – California, License No. C48254
  • Land Surveying – California, License No. 8327
  • Qualified SWPPP Developer/Practitioner 657 State of California

Professional Affiliations:

  • American Society of Civil Engineers
  • California Land Surveyors Association


Tom joined Warren Consulting Engineers at its inception in 1988.  In 2002, Tom became a Principal of the firm and is responsible for the day to day operations of WCE.  Over the past twenty seven years, Tom has been the project engineer on over 1,000 public and private sector projects throughout California.  His three decades of experience has given him the opportunity to build strong relationships with project owners, architects, construction managers and contractors.  Tom also has extensive experience in providing preliminary and bid-ready budget packages and timelines for site work construction.

Part of Tom’s expertise is the revitalization of existing campuses and facilities.  Over the years Tom has been responsible for the complete campus replacement of existing asphalt and concrete paving as well as the utility infrastructure on hundreds of school campuses.  The projects take place with an extremely tight time frame, usually 45 days, with some project budgets being over $2 million.

Being QSD/P Certified makes him able to file, implement, maintain and terminate all your storm water needs.

Tom has supervised over 800 topographic and boundary surveys and construction staking projects.



Martin J. Gee

Martin J. Gee ~ Principal, Senior Civil Designer

Education: Bachelor of Science, Business Administration, 1995 California State University, Sacramento, 27 Years’ Experience

Professional Experience:

In 1988, Marty joined Warren Consulting Engineers and worked part time while attending California State University Sacramento.  In 1995, at the completion of his studies, Marty moved to the position of Sr. Civil Designer.

In 2002, Marty became Principal to our firm.  He has been lead designer and project manager for many large, private and public projects in Sacramento and surrounding communities.  With all the projects Marty has worked on he enjoys building strong relationships with our clients, listening to the client’s needs or visions of a project and applying those insights to create successful projects.

In 2015, Marty became Vice- President and responsible for the production and design standard aspects of the firm.



Anthony Tassano

Anthony Tassano ~ Principal, P.E., QSD/P

Education: Bachelor of Science, Civil Engineering 2005, California State University Chico

Professional License: Civil Engineering – California License No. C74696

Qualified SWPPP Developer/Practitioner 634 State of California



In 2005, Anthony joined Warren Consulting Engineers. During this time Anthony he has been involved with the design and project management for many private and public funded projects. His experience ranges from small portable additions to a multi-phased new heart wing/ school addition at a local hospital / school site.

With all the projects he has worked on he has built strong relationships with our clients, while meeting schedules and design needs.

In 2011, Anthony became QSP/QSD Certified which makes him able to file, implement, maintain and terminate all your storm water needs.



George D. Warren

GEORGE D. WARREN ~ Founder, P.E.

Professional Licenses:

  • Civil Engineering California, License No. C28362
  • First issued in 1977,   Oregon, Washington and Utah

Professional Affiliations:

  • National Society of Professional Engineers



Over the last thirty-nine years George gained a strong understanding of how to maximize the maintenance and operations benefits from construction and modernization projects.

In 1978, George Warren went into private practice with the consulting firm of Rogers Engineering Group.  He became a principal in the firm in 1981.  In January 1988, George Warren started his own consulting firm, Warren Consulting Engineers.

During the last twenty-seven years, George has designed and/or supervised the design and surveying of over 1,800 projects.  He’s committed to every aspect of this firm and he ensures that projects are successful.  He has built a strong relationship with our clients, while meeting scheduling and design needs.

He has supervised over 800 topographic surveys and construction staking projects.  He is very knowledgeable in county and city standards for engineering and surveying.

Warren Consulting Engineers

Phone: (916) 985-1870

Fax: (916) 985-1877

1117 Windfield Way Suite 110

El Dorado Hills,
CA 95762


Quick Email Links

Tom Fassbender

Principal, P.E., P.L.S., QSD/P

Marty Gee

Principal, Senior Civil Designer

Anthony Tassano

Principal, P.E., QSD/P

George Warren

Founder, P.E.

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