Dennis has been in the automotive industry for over 35 years. He worked for Owen Wright as a Cadillac Specialist, Heber Valley Dairy, co-owned T&R 4-Wheel Drive, and he and his wife now own MasterTech Automotive.
Dennis is an ASE Certified Master Technician and Parts Specialist and has an AMI (Automotive Management Institute) degree. He is affiliated with STS (Service Technicians Society), AAA, ASE (Automotive Service Excellence), iATN (international Automotive Technicians Network), ASA (Automotive Service Association), AMI, and AC Delco. He also serves on the board of governors for the SAE (Society of Automotive Engineers). Dennis writes automotive procedures and travels around the country doing presentations and teaching.