Bill Peek is a heavy duty truck curriculum developer and instructor. With a training career spanning more than 25 years, Peek has taught in 47 U.S. states and three Canadian provinces. Peek created the Modern Diesel Diagnostics course, including the unit on air brake systems with fellow trainer Doc Nall. Peek is president of MPC Publishing, a print, video, and digital training provider. Previously, he was Director of Product Development at specialty tool manufacturer OTC. Peek can be reached by phone at (219) 252-3148 or email at [email protected].