Lee Andrew Feinstein (born 1959) is a former senior official in the Obama and Clinton administrations, was the United States ambassador to Poland from 2009 to 2012.
Born to a Jewish family, Feinstein graduated from Georgetown University Law Center, from which he holds a J.D. He also holds a Master of Arts in political science from the City University of New York, and an A.B. from Vassar College.
Feinstein was Assistant Director for Research at the Arms Control Association in Washington from 1989 to 1994 before joining the Clinton administration in February 1994. Feinstein was Senior Advisor for Peacekeeping and Peace Enforcement Policy in the Office of the Secretary of Defense from 1994 to 1995 at the Department of Defense before joining the Department of State, where he served as Principal Deputy Director and Member of the Policy Planning Staff from 1995 to 2001.
Feinstein joined the Carnegie Endowment Non-Proliferation Project as a visiting scholar in April 2001. A member of the Council on Foreign Relations since 1994, Feinstein also has served CFR as Deputy Director of Studies, Senior Fellow for Foreign Policy and International Law, and Executive Director of the Task Force Program from 2002 to 2007. He also served as co-director of CFR's nonpartisan Enhancing U.S. Leadership at the United Nations Independent Task Force.