Editorial Director, Time Inc. News Group; Editor in Chief, TIME

Founder and CEO, Springboard Collective

CEO, Financing Alliance for Health

Co-Founder and Chief Technology Officer, Virgin Hyperloop One

Senior Vice President and Director of Research, IBM

David and Cindy Edelson Fellow, US Foreign Policy and International Security, John Sloan Dickey Center for International Understanding, Dartmouth College

Chief Heat Officer, Miami-Dade County

Staff Writer, The Atlantic

Mayor, City of Mesa, Ariz.

Assistant Professor of Paleoecology, Climate Change Institute and School of Biology and Ecology, University of Maine

President and CEO, Doris Duke Foundation

Head of Process Analysis, New Belgium Brewing Company

President, Refresh Appalachia

Gingrich Productions; Former Speaker of the US House of Representatives

Staff Writer, The Atlantic

CEO, Skoll Foundation