From January 2009 through April 2016, Todd Stern served as the U.S. State Department Special Envoy for Climate Change. As the chief U.S. climate negotiator, he led the country’s effort negotiating the Paris Agreement. Stern also participated in the development of domestic climate and clean energy policy. Prior to this, he was a Partner at the law firm WilmerHale, and he also served as a Senior Fellow at the Center for American Progress. Stern served in the White House from 1993 to 1999, mostly as Staff Secretary, and he served as Counselor to the Secretary of Treasury from 1999 to 2001. He is currently a Visiting Lecturer at Yale Law School and he is a member of the Council on Foreign Relations.