Founder and CEO, Define American; Journalist; Filmmaker

Founder and CEO, The Latinista

Professor, Political Science and Communication Studies, UCLA

Documentary Filmmaker; Founder, Untamed Planet; National Geographic Explorer

Social Science Correspondent, NPR; Host, "The Hidden Brain"

Board Member, Global Innovative Health Technology Fund and Clinton Health Access Initiative; Former US Secretary of Agriculture; Former Executive Director, UNICEF

Director, Global Policy Initiatives, Broad Institute of MIT and Harvard

Co-Founder, Executive Chairman, and CEO, Human Longevity Inc.; Author, Life at the Speed of Light

Past President and CEO, American Pet Products Association

Executive Director and Executive Producer, Aspen Ideas Festival, The Aspen Institute

President and CEO, Memorial Sloan Kettering Cancer Center

CEO, Teach for America

Contributing Writer, The New York Times Magazine; Author, Under the Skin: The Hidden Toll of Racism on American Lives and on the Health of our Nation

Principal Consultant, 21CP Solutions; Retired Chief, Tuscon Police Department

Executive Vice President, Youth & Engagement, The Aspen Institute

Charles Alan Wright Chair in Federal Courts, University of Texas School of Law