Gary Doll is the Timken Professor of Surface Engineering at the University of Akron. He holds a B.S. degree in Physics from the Marshall University and M.S. and PhD degrees from the University of Kentucky. He was also a postdoc at Massachusetts Institute of Technology. Before becoming a professor, Gary Doll developed a vast experience as a researcher on tribology and surface engineering in industry, in particular at The Timken Company and General Motors Research Laboratories. His main publications encompass the tribology of different coatings and surface modifications.