He got Kyoto through and was doing of good job of building international consensus for tightening it up and follow on action.
Todd Stern is a Senior Fellow at American Progress, focusing on climate change and environmental issues. He is a partner at Wilmer Cutler Pickering Hale and Dorr, where he is Vice Chair of the firm's Public Policy and Strategy practice.
As Assistant to the President and Staff Secretary in the White House from 1993 to 1998, Stern played a central role in preparing the key issues of domestic, economic and national security policy for the President's decisions. He also coordinated the Administration's Initiative on Global Climate Change from 1997 to 1999, acting as the senior White House negotiator at the Kyoto and Buenos Aires negotiations. At Treasury, from 1999 to 2001, Stern advised the Secretary on the policy and politics of a broad range of economic and financial issues.
After leaving the Government, Stern served as an Adjunct Lecturer at Harvard's Kennedy School of Government, and as a Resident Fellow at the German Marshall Fund of the United States. Stern graduated with Highest Honors from Dartmouth College in 1973, and with Honors from Harvard Law School in 1977. He is also a Member of the Council on Foreign Relations.
http://www.americanprogress.org/experts/SternTodd.html