This Professional Engineer holds graduate and undergraduate degrees in mechanical and electrical engineering and economics and is licensed as a Professional Engineer in mechanical engineering. He has 35 years of experience specializing in bicycle safety, bicycle technology, bicycle handling, and bicycle product failure, and serves as a bicycle technology consultant and expert witness. His expertise includes the application of national guidelines governing the design and construction of bicycles and bicycle facilities, evaluation of bicycle industry standards and practices, and analysis of transportation-related engineering and safety issues.

His professional background includes engineering design, maintenance management, and project engineering roles, followed by many years of work in bicycle technology research, publishing, and consulting. He has authored numerous books and technical publications on bicycle technology, maintenance, and safety, with works published internationally. He has also contributed to publications addressing bicycle transportation, accident reconstruction, and litigation-related analysis.

His consulting and expert witness work includes evaluation of bicycle accidents, mechanical component performance, product design and failure, and issues involving mountain bikes and other bicycle types. In litigation matters, he analyzes bicycle construction, handling characteristics, and facility-related conditions in relation to established engineering principles, industry standards, and safety guidelines.