President and CEO, Envision Healthcare

CEO, Habitat for Humanity International

Senior Vice President of Inclusive Solutions, Prudential Financial; Chair, The Prudential Foundation

Founder and Principal, Reddymade Architecture and Design

Health Care Editor, Axios

Whitney M. Young Jr. Professor of Marketing, The Wharton School, University of Pennsylvania

President, Bush Foundation

President and CEO, Center for Democracy and Technology

Senior Fellow in International and Public Policy, Brown University; Founder and President, Reeves Advisory

Founder and President, American Institute for Boys and Men

Executive Vice President and Chief Operating Officer, The Commonwealth Fund

Administrator, US Environmental Protection Agency

Professor of Political Science, Graduate School of Education, Stanford University

Founding Director, Center for the Study of Boys' and Girls' Lives, University of Pennsylvania

Architect; Director, Yael Reisner Studio

Founder and CEO, Rappler