The Nature Conservancy
Director of Conservation and Science
Environmental Defense Fund
Associate Vice President and Senior Lead Scientist
World Wildlife Fund
Senior Vice President and Chief Scientist
UNEP - Cartagena Convention Secretariat and Caribbean Environment Programme (CEP)
Lead Author, 5th Assessment Report of the Intergovernmental Panel on Climate Change Working Group II
The Nature Conservancy
Director of Science
University of California, Berkeley
Stanford University Graduate School of Business
