William H. Pierce, P.E.

Senior Consulting Engineer

Mr. Pierce graduated from Purdue University with a Bachelor of Science in Mechanical Engineering. Since graduation, he has reconstructed over a hundred accidents and has evaluated the safety of several products. He has authored eight peer-reviewed engineering publications regarding innovative methodologies in the fields of vehicle accident reconstruction and product safety. His proficiency with the latest technologies and simulation packages in forensics has allowed him to successfully evaluate among the most challenging accidents.


B.Sc. in Mechanical Engineering
Purdue University, West Lafayette, IN, 2009


Registered Professional Engineer in the following states:
California and Texas.

Engineering and Design

Before starting his career in forensic engineering, Mr. Pierce worked in engineering research and product development for one year. Mr. Pierce joined Knott Laboratory, LLC with experience in premise liability, environmental, vehicle accident reconstruction, and product liability case work. Since working at Knott Laboratory, Mr. Pierce has worked on dozens of vehicle accident reconstruction and product liability cases. He utilizes the latest technologies and software in his reconstruction investigations. Mr. Pierce is a NCEES registered professional engineer licensed in the States of California and Texas.

Accident Reconstruction

Expert Testimony


Professional Affiliations

Mr. Pierce is a member of the following professional organizations:


Accreditation Commission for Traffic Accident Reconstruction


American Society of Mechanical Engineers


National Academy of Forensic Engineers


National Society of Professional Engineers


Society of Automotive Engineers

Media Appearances

Knott Laboratory has been featured on numerous television programs nationally and internationally. Click each title below to learn more about each appearance.