Gregory NellisGreg Nellis is an Associate Professor of Mechanical Engineering at the University of Wisconsin, Madison. Professor Nellis received his MS and PhD at the Massachusetts Institute of Technology. Professor Nellis is a member of ASHRAE, ASME, IIR and CSA nd carries out applied research that is related to energy systems with a focus on refrigeration technology. Professor Nellis has published more than 40 journal papers. Professor Nellis's focus has been on graduate and undergraduate education and he has received the Polygon and Pi Tau Sigma awards for excellence in teaching. Read More Read Less