Joseph J. Helble is the 12th Dean of the Thayer School of Engineering at Dartmouth College and a Professor of Engineering, positions he has held since 2005. Prior to his tenure at Dartmouth, Dr. Helble was the Roger Revelle Fellow of the American Association for the Advancement of Science (AAAS), enabling him to spend an academic year addressing technology and environmental policy issues in the U.S. Senate. Previously, Dr. Helble was a member and later chair of the Department of Chemical Engineering at the University of Connecticut, with research in the areas of air pollution, CO2 capture, aerosols, and nanoscale materials production. From 1987 to 1995, he was employed as a research scientist and manager at Physical Sciences Inc. in Andover MA, specializing in environmental and energy technology development. Dr. Helble is the author of over 100 publications and 3 U.S. patents. He is the recipient of several awards for his scholarly work, and in 2014, along with three Thayer faculty colleagues, was recipient of the National Academy of Engineering (NAE) Bernard M. Gordon Prize for Innovation in Engineering and Technology Education for the design and implementation of Dartmouth’s Engineering Entrepreneurship Program. Dr. Helble is a 1982 summa cum laude chemical engineering graduate of Lehigh University and a 1987 chemical engineering Ph.D. graduate of the Massachusetts Institute of Technology.