Dr.Gary L. Doll teaches classes at the University of Akron on the design, manufacture, and application of rolling element bearings. He is one of the world's recognized authorities on rolling element bearing tribology. As the Chief Technologist of Tribology at the Timken Company, his responsibilities included overseeing the efforts in identifying and mitigating common failure modes experienced by rolling element bearings in multiple and world-wide market applications. Over his career, Dr. Doll has published over 350 articles and book chapters, edited numerous proceedings, received more than 28 US Patents, and was elevated to Fellow in the Society of Tribologists and Lubrication Engineers and the ASM International.