Experts

Our Expert Team

Semke Forensic is a team of talented experts guided by strict personal ethics in achieving professional excellence.  Our professionally licensed engineers and consultants excel in many diverse areas, enabling Semke Forensic to provide comprehensive assistance in evaluating complex problems.  The diverse background of each team member contributes a unique perspective to our investigations.  Above all, the Semke team is dedicated to rapidly responding to client requests and delivering superior service.

Adam-R.-Crepin

Adam R. Crepin, P.E.

Mechanical Engineer

Adam received a Bachelor of Science degree in Mechanical Engineering from Washington University in St. Louis in 2009.  He subsequently attended graduate school at the University of Missouri – St. Louis and received a Master of Science degree in Physics in 2011. Adam has been competitively driving cars and karts for over 12 years and…

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Tim-Finley

Tim Finley, CFI, ACTAR

Senior Consultant

Tim is a vehicle specialist, who is an ACTAR Certified Accident Reconstructionist and an International Association of Arson Investigators (IAAI) Certified Fire Investigator.  He is also certified as a Fire Investigator by the Missouri Department of Public Safety.  He has over 40 years of experience in vehicle mechanical analysis. Prior to joining Semke Forensic, Tim…

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William-K.-Kennedy

William K. Kennedy, P.E.

Senior Mechanical Engineer

Bill received a Bachelor of Science degree in Mechanical Engineering from Wichita State University in 1974. During Bill’s WSU studies, he was mentored by Professor John Sevart, a testifying engineering expert.  This allowed him access to a diverse set of case studies, which included examination of crash tests, access to all aspects of preparation for…

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Timothy-M.-Krehbiel

Timothy M. Krehbiel, P.E.

Mechanical Engineer

Tim received a Bachelor of Science degree in Mechanical Engineering from the University of Missouri-Columbia in 2007. During his time in college, Tim was employed as a mechanic for a large powersports dealership.  His time spent performing maintenance and repairs on most brands of ATVs, motorcycles, and watercraft, gives him an extensive background in vehicle…

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Brian-Nettleton

Brian Nettleton, P.E., CFEI

Senior Electrical Engineer

Brian received a Bachelor of Science degree in Electrical Engineering from the University of Missouri-Rolla in 1992.  From August 1992 to March 2002, Brian worked for a large cement manufacturing company in electrical and mechanical roles. In his electrical role, Brian was responsible for gas analyzers, instrumentation, programmable logic controllers (PLC’s) and power equipment up…

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Jack-Nevins

Jack Nevins, CCE, EnCE, PI

Senior Consultant, Regional Director

Jack received a Bachelor of Science degree in Applied Physics with an Electrical Engineering minor from the University of Nevada – Las Vegas. Jack brings over 20 years of diverse technical experience to Semke Forensic, including 15 years providing senior level forensic and investigative services to the insurance, legal and corporate communities.  As a Data…

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Jeff-W.-Polster

Jeff W. Polster, P.E.

Senior Mechanical Engineer

Jeff received a Bachelor of Science degree – Magna Cum Laude in mechanical engineering from the University of Missouri – St. Louis/Washington University Engineering Program.  He was on the Dean’s List and acquired his degree by attending classes at night while working as a mechanical designer for a manufacturing company.  His education also includes a…

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Fred-B.-Semke

Fred B. Semke, P.E.

Principal Engineer

Fred received a Bachelor of Science degree-Magna Cum Laude in Mechanical Engineering from the University of Missouri-Columbia in 1983 where he was recognized as a University Scholar.  Fred subsequently joined a major aerospace manufacturer and continued his education at night, obtaining a Master of Science degree in Engineering Mechanics from the University of Missouri-Rolla in…

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Daniel-J.-Sovar

Daniel J. Sovar, P.E.

Mechanical Engineer

Dan received a Bachelor of Science degree in Mechanical Engineering from Washington University in St. Louis in 1992.  Thereafter, he started his career as a design engineer in the air conditioning and refrigeration field where he designed air conditioning and refrigeration components and remote refrigerated display cases.  Dan subsequently worked for two major fuel-fired appliance…

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Henry-V.-Vega

Henry V. Vega, P.E., ACTAR

Senior Mechanical Engineer

Henry received a Bachelor of Science degree in Mechanical Engineering from Northern Illinois University in 1997 and currently is licensed as a professional engineer in Illinois, Indiana, Ohio, Michigan, Missouri, and Wisconsin.  He is also certified as a vehicle accident reconstructionist by the Accreditation Commission for Traffic Accident Reconstruction (ACTAR), holds a Level D certificate…

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Wes-Wright

Wes Wright, P.E.

Senior Civil Engineer

Wes received a Bachelor of Science degree in Civil Engineering from the University of Missouri–Columbia in 1984.  His technical expertise is bolstered by an extensive practical knowledge of construction materials, equipment, workmanship, and project phasing.  This knowledge enables him to determine and document the facts of the issues at question, determine the cause, and assist…

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St. Louis

  • (636) 896-9995
  • (636) 896-9695

Kansas City

  • 100 North Clayview Dr
  • Suite B
  • Liberty, MO 64068
  • Directions
  • (816) 415-2020
  • (816) 415-2066

Chicago

  • 11545 West 183rd Pl
  • Suite 111
  • Orland Park, IL 60467
  • Directions
  • (708) 478-4000
  • (708) 478-4433