Associate Director, Energy and Environment Program, Aspen Institute

Senior Fellow, American Enterprise Institute

Senior Fellow and Director, Africa Program, Center for Strategic and International Studies; Lecturer in African Studies, Johns Hopkins School of Advanced International Studies

President, American Enterprise Institute

Moderator, Open to Debate; Correspondent, ABC News

Senior Vice President and Lead Futurist, SSM Health

Executive Vice President and President, U.S. Healthcare, Walgreens

Education Program Director, Walton Family Foundation

Senior Fellow, Political Reform Program, New America

Executive Director, iCivics

Former Governor, State of Arizona 

Founder, The Tornante Company; Trustee, The Aspen Institute

Assistant Professor of Neurology, Neuroscience, and Pathology, Mount Sinai Icahn School of Medicine; Director of Fluid Biomarker Research, Barbara and Maurice Deane Center for...

CEO, FoodCorps

Columnist, The Washington Post

Second Gentleman of the United States