Don Knowles has been writing automotive training materials for over 28 years, with 54 textbooks to his credit, as well as student manuals, training CDs, and short articles for service bulletins. He was previously employed as an automotive instructor at the Saskatchewan Institute of Applied Science and Technology (SIAST) Palliser Campus, where he produced over 60 automotive training videos and wrote a computer-assisted instruction (CAI) program to coordinate with each video. Mr. Knowles is currently the owner and manager of Knowles Automotive Training, a company focused exclusively on the preparation of automotive training materials and an educational member of the Automotive Service Association (ASA). An ASE certified Automotive Technician, he has also been a member of the Society of Automotive Engineers for over 30 years, and is a member of the North American Council of Automotive Teachers (NACAT).