Henry "Jake" Jacoby studies policy and management in the areas of energy, natural resources, and the environment, writing widely on these topics, including five books. He is a former Chair of the MIT Faculty, and former Director of the Harvard Environmental Systems Program, former Director of CEEPR, and former Associate Director of the MIT Energy Laboratory. He currently serves on the Scientific Committee for the International Geosphere-Biosphere Program and on the Climate Research Committee of the U.S. National Research Council. His current research is focused on economic analysis of climate change and greenhouse gas mitigation, and the integration of this work with the natural science of the issue.

Jacoby received a B.S. in Mechanical Engineering from the University of Texas at Austin in 1957, an M.P.A. in Public Administration from Harvard University in 1963, and a Ph.D. in Economics, also from Harvard University, in 1967.