Dr. Michael Shelby is an Adjunct Professor at Johns Hopkins University as well as the Chief Economist in the Transportation and Climate Division in the Office of Transportation and Air Quality at the U.S. Environmental Protection Agency (EPA). At EPA, he works on climate and air quality issues associated with vehicles and fuels. He has worked on energy and environmental issues for well over thirty years. He has published numerous articles and papers on environmental and energy-related topics. Dr. Shelby has a Ph.D. in Economics from Boston University, an M.A. from Penn State University and a B.A. from the University of Wisconsin-Madison. In his free time, Dr. Shelby likes to fly fish, work out and bike ride. He loves to travel, explore new places and try new foods.