Tags: Economist.
Paul Lewis Joskow (born June 30 1947) is an American economist and professor. He became President of the Alfred P. Sloan Foundation on January 1 2008. He is also the Elizabeth and James Killian Professor of Economics Emeritus at MIT. He has served on the MIT faculty since 1972. From 1994 through 1998 he was Head of the MIT Department of Economics. From 1999 through 2007 he was the Director of the MIT Center for Energy and Environmental Policy Research.