Our Expertise

Keva Engineering (formerly JFK Engineering) was founded in 1982 by John F. Kerkhoff to analyze vehicle collisions and to further the advancement of vehicular and pedestrian safety. The firm offers consulting services and expert testimony related to all aspects of vehicular accidents including dynamics, collision testing and reconstruction, and their related human factors. The Keva team has collectively participated in more than 5,000 collision and component performance tests and has generated ground-breaking research studies, analysis reports, technical papers, continuing education lectures and training materials.

Michael S. Varat

Specializes in accident analysis, reconstruction and vehicle dynamics. Regularly appears as an expert witness and has been published extensively on vehicular safety, accident modeling and reconstruction methodologies.

Stein E. Husher

Principal Scientist. Husher is an expert in performance analysis of vehicle systems, occupant kinematics and injury causation, computer reconstruction and simulation, vehicle and component testing and photogrammetry.

John C. Steiner

Specializes in transportation accident reconstruction including the extraction and analysis of data from Event Data Recorders. Conducted rapid response to major transportation accidents. Expert in documenting vehicle damage and roadway physical evidence.

Christopher D. Armstrong

Research Engineer. Armstrong focuses on vehicle systems testing and performance, occupant kinematics, computer reconstruction and simulation, and photogrammetry. He holds a Bachelor of Science in Aeronautical Engineering from California Polytechnic State University.

John F. Kerkhoff

Founder. With more than 30 years of expertise, 50 full-scale collision experiments and 3,000 accident reconstructions under his belt, Kerkhoff is qualified to provide expert testimony in Municipal, Superior and Federal Court systems.