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Proudly Serving the Front Range
since 1996             

Kevin Roth, P.E., President

President and Co-Founder of 
MGA Structural Engineers, Inc.,
Kevin has over 45 years of experience in
structural engineering.

Bachelor of Science Degree, 1989
Iowa State University

Architectural Drafting Diploma, 1977
Des Moines Area Community College

Jon Dietrich, P.E., Vice President

Jon has over 30 years of experience in
structural engineering, and has been with
MGA since 2006

Bachelor of Science, 1992
Civil Engineering, Saint Martin’s
University, Lacey, Washington


Jonathan Callahan, P.E.

With MGA since 2016 and is an ARMY Veteran

Bachelor of Science, 2014
Civil Engineering,
University of Colorado, Denver, CO


Anthony Barrett, Ph.D., P.E.

With MGA since 2019

Doctor of Philosophy, 2006
Civil Engineering (Structures),
Virginia Tech  
Master of Science, 2000,
Civil Engineering (Structures), 
University of Illinois

Bachelor of Science, 1996
Civil Engineering,
US Air Force Academy

Adam Balsiger, P.E.

With MGA since 2015

Bachelor of Science, 2015
Civil Engineering,
Colorado State University,
Fort Collins,  CO

Kevin Gregg, BIM

With MGA since 2006

Brian Samberson, BIM

With MGA since 2008


Matthew Dietrich, BIM

With MGA Structural Engineers, Inc.
since 2020