Mr. Melcher is a Professional Engineer and consultant with experience, education, and training in the fields of mechanical engineering, transportation engineering, and forensic engineering. His practice currently focuses on providing transportation safety consulting services to legal, insurance, governmental, and corporate clients throughout North America.

Specific areas of expertise include vehicle collision reconstruction, commercial vehicle crash investigation and analysis, highway work zone traffic control safety, roadway design and traffic control devices, vehicle system components and dynamics, and driver factors and transportation safety statistics.

His ongoing transportation safety research and international safety policy consulting have resulted in many peer-reviewed publications and presentations at technical conferences and professional forums around the world. Mr. Melcher directs the national engineering activities of the Focus Forensics consulting engineering firm. He has provided expert witness testimony in criminal proceedings and civil litigation at deposition, mediation, and jury trial levels in 21 states.