Bruce Hoffman

Professor at Georgetown University & Visiting Senior Fellow for The Council on Foreign Relations

Sean Garrett

Former VP of Communications at Twitter

Josef Joffe

Marc and Anita Abramowitz Fellow in International Relations at the Hoover Institution; Publisher/Editor of Die Zeit.

Vera Cordeiro

Founder and CEO, Associação Saúde Criança

Gustavo Arellano

Features Writer for the Los Angeles Times & Author, "Taco USA"; Former Syndicated Columnist, "Ask the Mexican!"

Alexandra Morton

Business Consultant & Founding President of NPO Global LLC

Cynthia Schneider

Former U.S. Ambassador to the Netherlands

Jeff Arnold

CEO & Chairman of Sharecare; Former CEO of Howstuffworks and WebMD Corporation

Mark Aesch

Former CEO of the Rochester Genesee Regional Transportation Authority (RGRTA); Author of "Driving Excellence"

Pierre Goldschmidt

A nonresident senior associate at the Carnegie Endowment

Patrick J. Michaels

Senior fellow at the Cato Institute & Research Professor of Environmental Sciences at the University of Virginia

Sam Nunn

Co-Founder& Former CEO of the Nuclear Threat Initiative; Former U.S. Senator from Georgia

Matt Miller

Fortune Columnist, Author & Radio Host

Cary Fowler

Biodiversity warrior Cary Fowler wants to save the world from agricultural collapse, one seed at a time.

Scott Simon

NPR "Weekend Edition" Host

Windy City

Dr. Jonathan Foley

World Leading Climate Scientist & Executive Director of Project Drawdown

David Ho

Scientific Director & CEO, Aaron Diamond AIDS Research Center

Antonia Juhasz

Leading Energy Analyst, Author & Investigative Journalist Specializing In Oil

Angela Ruggiero

Four-Time Ice Hockey Olympic Medalist

Loretta LaRoche

Author, Humorist, Stress Expert & TV Personality