Formerly: 1990-93, Senior Counsel to US Senator on Senate Judiciary Committee; 1993-99, with White House including: Staff Secretary; 1997-99, coordinated administration's initiative on global climate change acting as senior White House negotiator at Kyoto and Buenos Aires negotiations. 1999-2001, with US Treasury, advised Secretary and supervised anti-money laundering strategy; Adjunct Lecturer, Kennedy School of Government, Harvard; Resident Fellow, German Marshall Fund, US; Partner and Vice-Chair, Public Policy and Strategy Group, WilmerHale, a law firm. Senior Fellow, Center for American Progress, focused on climate change and environmental issues. Since January 2009, current position. Member, Council on Foreign Relations.