With more than a decade of experience, Greg’s research has spanned the entire life cycle of energy systems, from calculating methane emissions from natural gas systems and predicting marginal emissions from electricity systems to evaluating the climate impacts of short- and long-lived greenhouse gases.
Greg’s work has included interdisciplinary research on energy and climate systems with collaborators at the National Energy Technology Laboratory, U.S. Environmental Protection Agency, National Renewable Energy Laboratory, Environmental Defense Fund, and Rhodium Group. He has also done extensive work analysing data from the power sector, such as designing and building the Power Sector Carbon Index to provide up-to-date estimates of electricity generation carbon dioxide intensity in the U.S.
Greg previously worked at Eastern Research Group and Booz Allen Hamilton. He received his Bachelor’s degree in physics, magna cum laude, from Allegheny College, and his Master’s degree and Ph.D. in Civil & Environmental Engineering from Carnegie Mellon University.