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Jon Andrews, S.E., P.E. – Principal

Jon Andrews


Since joining TGRWA in 1988, Jon has been involved in a wide variety of structural analysis and design projects including new construction and renovation of existing and historic structures. His experience includes the structural analysis and design of structural steel, conventionally reinforced concrete, post-tensioned concrete, timber and masonry structures.

Jon has over 30 years of structural engineering experience and has worked on projects from California to Wisconsin to Florida. He has a P.E. in 20 different states and Washington DC as well as a S.E. in Illinois and California.


M.S. Civil Engineering, 1992, Northwestern University, Evanston, IL
B.S. Civil Engineering, 1987, Michigan State University, East Lansing, MI


Structural Engineer – Illinois & California
Professional Engineer – Arizona, California, Florida, Georgia, Hawaii,
Illinois, Indiana, Iowa, Kentucky, Louisiana, Michigan, Nebraska, North
Carolina, Pennsylvania, South Carolina, Tennessee, Utah, Virginia,
Washington DC, Wisconsin, West Virginia

Professional Associations

Structural Engineers Association of Illinois
American Institute of Steel Construction
American Concrete Institute

Professional History

Tylk Gustafson Reckers Wilson Andrews, LLC – Chicago, IL:
2000 – Present
Tylk, Gustafson and Associates, Inc. – Chicago, IL:
1998 – 2000
Structural Design Engineers, Inc. – San Francisco, CA:
1997 – 1998
Hratch Kouyoumdjian and Associates, Inc. – San Francisco, CA:
1996 – 1997
Tylk, Gustafson and Associates, Inc. – Chicago, IL:
1988 – 1996

Representative Projects