Sean Bennett is a former program coordinator for the Truck and Diesel Department at Centennial College, as well as a former corporate trainer for Mack Trucks. During a 20-year tenure at the college he authored new curricula, helped overhaul existing course offerings, and chaired a wide range of curriculum development committees for the Province of Ontario. Bennett has written more than 30 books dealing with diesel, truck, heavy equipment, and automotive technology and currently devotes his career to technical writing and speaking engagements. He is an active member of the American Trucking Association's Technology and Maintenance Council, the Association of Diesel Specialists, the Society of Automotive Engineers, and the North American Council of Automotive Teachers. He is widely regarded as the foremost author in medium/heavy duty truck technology.