Keith SantiniKeith Santini is Automotive Coordinator for the MAST-certified program at Addison Trail High School, Illinois, as well as an ASE Advanced Level Specialist. He has taught automotive technology at the high school and college level for the last 18 yearsand has worked in the automotive industry for the last 25 years. He has also worked in independent repair facilities and as a consultant helping shop technicians with diagnostic problems. Read More Read Less