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.‎