CHARLES E. SIMPSON, P.E. and P.L.S.
Acting Board Member
B.S. Civil Engineering, WSU, 1962
P.E. in WA 1966, P.L.S. in WA 1972
Joined Simpson Engineers, Inc. in 1968
EDWIN B. SIMPSON, P.E.
President, Sr. Project Manager
B.S. Civil Engineering, U of I, 1996
P.E. in WA 2006
Joined Simpson Engineers, Inc. in 2001
AARON C. SIMPSON, P.E.
Vice President, Sr. Project Manager
B.S. Civil Engineering, U of I, 1999
P.E. in Nevada 2005, P.E. in WA 2007,
P.E. in ID 2021
Notary Public
Joined Simpson Engineers, Inc. in 2006
LESA SIMPSON
Secretary/Treasurer, Office Manager
B.A. Speech Communication, UW, 1999
Notary Public
Joined Simpson Engineers, Inc. in 2001
STEVEN W. TRIPP, P.L.S.
Sr. Project Surveyor
A.A. Civil Engineering Technology, Spokane Community College, 1975
P.L.S. in WA 1997, P.L.S. in ID 2009
Joined Simpson Engineers, Inc. in 1975
KEVIN W. McMULKIN, P.E.
Sr. Project Engineer Manager & Water System Engineer
B.S. Civil Engineering, WSU, 1985
P.E. in WA 1992, P.E. in ID 2003
Joined Simpson Engineers, Inc. in 1985
MICHAEL DSCHAAK
Survey Technician & Construction Inspector
A.A., Spokane Falls Community College, 1994
Joined Simpson Engineers, Inc. in 1992
MATT J. KELLY, L.S.I.T.
Project Survey Manager, Project Manager
A.A.S. Civil Engineering Technology, Spokane Community College, 2006
L.S.I.T. in WA 2009
Notary Public
Joined Simpson Engineers, Inc. in 2005
AARON CROSS
Civil Designer
Studied at Spokane Community College
Joined Simpson Engineers, Inc. in 2016
BRYCE ZIMMERER
Survey Crew Chief
Joined Simpson Engineers, Inc. in 2017
AUSTIN KAESEMEYER, E.I.T.
Project Engineer
B.S. Civil Engineering, Gonzaga, 2019
Joined Simpson Engineers, Inc. in 2019
NICK McGILL, E.I.T.
Civil & Survey Designer
B.S. Engineering Physics, Whitworth University, 2020
Joined Simpson Engineers, Inc. in 2020
DREW THOMAS, E.I.T.
Civil & Survey Designer
B.S. Mechanical Engineering, WSU, 2022
B.S. Applied Physics, Whitworth University, 2022
Joined Simpson Engineers, Inc. in 2022