GMU Leadership

GMU may have worked on some of the largest projects in Southern California, but our clients take comfort in our “small company” feel.  GMU principals are actively involved in all of the company’s accounts, putting the full weight of GMU’s 40 years of experience to work for each of our clients.  Learn more about our award-winning team below.  

Gary K. Urban

Gregory P. Silver

Mike B. Moscrop

Ron J. Lejman

Alan “Bob” Mutchnick

David R. Atkinson

Aron R. Taylor

Lisa L. Bates-Seabold

Dan Stoica


Ron J. Lejman

M.S., PE, GE
Geotechnical Engineer

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Ron Lejman is one of the most recognized and respected geotechnical engineers in Southern California, bringing more than 40 years of design experience to GMU’s clients. Ron has worked on all types of geotechnical issues over his career, specializing in seismic deformation analyses, groundwater modeling, pile stiffness, lateral loading analyses and the structural design of tie-backs and retaining walls.


Education

M.S., Civil Engineering - California State University, Long Beach

B.S., Civil Engineering - University of Illinois, Champaign/Urbana