John A. Nawn, P.E.

John A. Nawn, P.E. has provided forensic engineering, accident reconstruction and expert witness services since 1994 in matters involving highway and traffic engineering, including intersections; urban and rural roadways; interstate highways; parking lots; signage, pavement marking and traffic controls; codes and zoning requirements; sidewalks and crosswalks; public utilities including sanitary sewer, storm sewer and water mains. With 25 years experience prior to joining Fleisher Forensics, Mr. Nawn served in leadership roles at a number of local civil engineering consulting firms including serving in such roles as Executive Vice President, Vice President, Chief Engineer and Managing Partner. Responsibilities have included the design, engineering and management of various traffic, transportation, highway, bridge, mass transit, railroad, environmental, municipal and construction engineering projects.

Mr. Nawn earned a Bachelor and Master of Science Degree in Civil Engineering from Drexel University. He is a licensed professional engineer in 8 states. In 2011, he was recognized as Pennsylvania Engineer of the Year.

Mr. Nawn is a certified Traffic Operations Engineer with the Institute of Transportation Engineers; a Certified Floodplain Manager with the American Society of Floodplain Managers; a Fellow in the American College of Forensic Examiners; and a Fellow with the National Society of Professional Engineers. Mr. Nawn’s other professional memberships include the American Society of Civil Engineers, the Engineer’s Club of Philadelphia and the Pennsylvania Society of Professional Engineers where he serves as a Vice President.

Active in his community, Mr. Nawn is an elected Township Supervisor and Chairman of the Delaware County Transportation Management Association.