Martin Keller

Director of National Renewable Energy Laboratory & President of Alliance for Sustainable Energy

Ivan Duque

President of Colombia

Michael Boots

Senior Director of Advocacy & Government Relations at Gates Ventures; Former Environmental Advisor to President Obama

Nana Akufo-Addo

President of Ghana; Co-Chair of the UN's Sustainable Development Goals Advocates Group

Sarah Huckabee Sanders

47th Governor of Arkansas; Fox News Contributor; Former White House Press Secretary

Jaime Harrison

South Carolina Democrat Running Against Lindsey Graham

Bob Kopp

Climate Scientist, Geobiologist & Climate Policy Scholar at Rutgers University

Douglas Farr

Architect, Urbanist, Author & Advocate for Sustainable Design Thinking

Livia Firth

Co-Founder & Creative Director of Eco-Age

Adam James

Co-Founder of Clean Energy Leadership Institute; Authority on Renewable Energy & Public Policy

Michele Rigby Assad

Former C.I.A. Agent, Counterterrorism Specialist & Author of "Breaking Cover"

Rhea Suh

Authority on Environmental Climate Policy & Advocacy; Independent Consultant & Advisor; Former President of National Resources Defense Council

Cliff Sims

CEO of Telegraph Creative, NYT Bestselling Author. Former: Deputy Director of National Intelligence

America's Great Divide: Cliff Sims Interview | FRONTLINE

Jennifer Wilcox

Presidential Distinguished Professor of Chemical Engineering and Energy Policy at the University of Pennsylvania

The Farm of the Future / Session III: Jennifer WIlcox

Joyce Vance

MSNBC Legal Commentator, Former U.S. Attorney for the Northern District of Alabama, & Professor

Sir David Manning

Former British Ambassador to Israel & the United States

Jesse Norman

British Politician & Author of "Adam Smith: What He Thought, and Why It Matters"

Rebecca Kelly Slaughter

Commissioner at the Federal Trade Commission

Chris Coons

U.S. Senator from Delaware

Valerie Szczepanik

Head of the Strategic Hub for Innovation and Financial Technology at the U.S. Securities and Exchange Commission

The New Normal FinHub and Digital Assets Developments at the SEC

Jina Choi

Regional Director at U.S. Securities and Exchange Commission

Heather Weiner

Associate General Counsel of the Office of the Governor of Illinois

Mary Elizabeth Taylor

White House Deputy Director of Legislative Affairs of Nominations for the Trump Administration

Alvand Salehi

Senior Technology Advisor for The White House

Victoria Herrmann

Managing Director of The Arctic Institute

Ann Conant

Executive Assistant to the Director at Consumer Financial Protection Bureau

James Braid

Deputy Chief of Staff, Office of the Honorable Ted Budd

Yaniv Barzilai

Counterterrorism Policy Advisor for North Africa, U.S. Department of State

Lauren Aronson

Managing Director, Public Affairs, and Communications; Former Press Secretary, House Ways and Means Committee

Grace Meng

Lawyer, Congresswoman For New York's 6th Congressional District