R. Kevin Tillis
Vice President / Senior Principal Engineer

M.S. Geotechnical Engineering. University of California Berkeley, 1986
B.S. Civil Engineering, University of Illinois, 1983

Civil Engineer 41180  California
Geotechnical Engineer 2160 California

1993 – 2010 Hultgren – Tillis Engineers
1986 – 1993 Harding Lawson Associates
1983 – 1985 Lowney & Associates

Mr. Tillis is responsible for day to day operations of Hultgren-Tillis Engineers and manages and oversees numerous geotechnical engineering projects each year.  His experience includes management of complex levee, dam and earthwork projects for local and state agencies.  His recent experience includes planning, design and implementation of construction for over 100 miles of levee in the Sacramento-San Joaquin Delta.  He has an excellent track record for pushing projects through the design phase into and through the completion of construction.  Construction contracts for levees in past five years in excess of $25 million.