Phone: (509) 926-1322
Civil Engineering: Licensed in WA, ID & NV
Land Surveying: Licensed in WA & ID

Staff

A company’s greatest asset is its people. The staff at Simpson Engineers, Inc. has a diverse range of talents and experience, and our dedication is displayed by our commitment to the company and our clients.

Principals

Charles E. Simpson, P.E. and P.L.S
President, Sr. Project Administrator
B.S. Civil Engineering, Washington State University, 1962 Joined Simpson Engineers, Inc. in 1968 P.E. in Washington in 1966, P.L.S. in Washington in 1972
Aaron C. Simpson, P.E
Vice President, Project Manager
B.S. Civil Engineering, University of Idaho, 1999 Joined Simpson Engineers, Inc. in 2006 P.E. in Nevada in 2005, P.E. in Washington in 2007 Notary Public
Edwin B. Simpson, P.E
Secretary/Treasurer, Project Manager
B.S. Civil Engineering, University of Idaho, 1996 Joined Simpson Engineers, Inc. in 2001 P.E. in Washington in 2006

Associates

Michael C. Phillips, P.L.S
Sr. Project Surveyor & Plat Designer
B.A. Accounting, Eastern Washington University, 1976 Joined Simpson Engineers, Inc. in 1970 P.L.S. in Washington in 1978 Former President of the Inland Empire Chapter for the Land Surveyors’ Association of Washington (1980, 1983)
Steven W. Tripp, P.L.S
Sr. Project Surveyor
A.A. Civil Engineering Technology, Spokane Community College, 1975 Joined Simpson Engineers, Inc. in 1975 P.L.S. in Washington in 1997, P.L.S. in Idaho in 2009 Former President of the Inland Empire Chapter for the Land Surveyors’ Association of Washington (2010)
Duane M. Helt
Plat Coordinator
Joined Simpson Engineers, Inc. in 1979 Notary Public
Kevin W. McMulkin, P.E
Sr. Project Manager & Water System Engineer
B.S. Civil Engineering, Washington State University, 1985 Joined Simpson Engineers, Inc. in 1985 P.E. in Washington in 1992, P.E. in Idaho in 2003
Todd J. Pocock, P.L.S
Sr. Project Surveyor
Certification in Metals Technology, Northern Montana College, 1981 Joined Simpson Engineers, Inc. in 1990 P.L.S. in Washington in 2006 Former President of the Inland Empire Chapter for the Land Surveyors’ Association of Washington (2009)
Michael A. Dschaak
Survey Technician / Construction Inspector
A.A. degree, Spokane Falls Community College, 1994 Joined Simpson Engineers, Inc. in 1992
Matt J. Kelly, L.S.I.T.
Project Engineer / Project Surveyor
A.A.S. Civil Engineering Technology, Spokane Community College, 2006 Joined Simpson Engineers, Inc. in 2005 L.S.I.T. in Washington in 2009