John Callister is a senior lecturer in the Mechanical and Aerospace Engineering and Operations Research and Industrial Engineering departments, as well as the Director of the Harvey Kinzelberg Entrepreneurship in Engineering Program, in the College of Engineering at Cornell University. He was the faculty advisor of Cornell University's Hybrid Electric Vehicle Team from 2001 to 2004. He worked for General Motors in engine cooling, air conditioning, aerodynamics, and wind noise from 1985 to 1993.