Director and Founder , Friends of Cooper Island
Director, Environmental Change and Security Program, Woodrow Wilson Center
Dean, and Nicholas Professor of the Environment, Duke University
CEO and Founder , Product Stewardship Institute
Assistant Secretary of Defense for Operational Energy Plans and Program, Department of Defense
Professor, Department of Earth and Environment, Florida International University
Director of Science Outreach, COMPASS, Lead Communications Trainer, Leopold Leadership Program
Commanding General, 4th Infantry Division, US Army
Research Ecologist, USGS
Special Advisor to Mayor Bloomberg, C40 Cities
Senior Policy Advisor, Long-Term Planning and Sustainability, Mayor's Office of New York City
Senior Fellow, World Resources Institute
Director of National Stewardship Strategy, Duke Energy
Director, Human Origins Program , Smithsonian Institution
Director, Institute of the Environment, University of Arizona
Founder and President, Green Business BASE CAMP
Writer, National Geographic Magazine
Senior Environment Editor, National Geographic magazine
Science Editor, Boing Boing
Director, International Wilderness Conservation, Pew Environment Group
