Nigel Purvis is a Senior Fellow at GMF in Washington. He is an established climate policy expert and was a senior U.S. negotiator on climate change from 1998-2002, ending his tenure as the deputy head of the U.S. negotiating team. He currently serves as president of Climate Advisers, a strategic consulting firm. From 2005-2007, he served as vice president for policy and external affairs at The Nature Conservancy. From 2002-2005, he was a senior scholar in the foreign policy program of The Brookings Institution. During that period, he also served as an international affairs fellow at the Council on Foreign Relations.