Steven A. Cohen (born 1953 in Orange, New Jersey) is an American academic who has taught public management and environmental policy at Columbia University since 1981. He is the former executive director of Columbia University's Earth Institute and now serves as a senior advisor for the institute. He is a professor in the practice of public affairs at Columbia University's School of International and Public Affairs. He is also the director of the Master of Public Administration in Environmental Science and Policy in the School of International and Public Affairs and the director of the Master of Science in Sustainability Management in the School of Professional Studies. He served on the Environmental Protection Agency Administrator's National Advisory Council for Environmental Policy and Technology (2002–2004). He currently serves on the board of directors of Homes for the Homeless, faculty advisory committee for the Porter School of Environmental Studies at Tel Aviv University, and the admissions committee of the Lotos Club. Cohen is the lead independent director of the board of directors of the Willdan Group, Inc. Cohen also sits on the judging committee for the Yidan Prize Foundation. He served on the advisory board of the University of Minnesota's Institute on the Environment (2016-2022). Source: Wikipedia (en)