Tensie Whelan

Director of NYU's Center for Sustainable Business; Former President of the Rainforest Alliance

Mark Lynas

Environmental Writer; Author of "Our Final Warning: Six Degrees of Climate Emergency"

Lou Waters

Aging Expert, Journalist & Former CNN Media Personality; Anchor of "Coming of Age"

Where Are They Now: Lou Waters

Claude Steele

Social Psychologist & Stereotype Expert

Kira Kazantsev

Miss America 2015, Advocate, Lifestyle Correspondent & Host of "Golf Advisor Living" on the Golf Channel

Story Musgrave, M.D.

Retired NASA Astronaut; Physician & Professor at Art Center College of Design

Roselinde Torres

Senior Partner and Managing Director at the consulting firm, BCG.

Lamman Rucker

Actor, Education Activist, Green Living Advocate & Entrepreneur

Dr. Max Rogers

Former Fighter Pilot, Healthcare Consultant

Dennis Avery

Former Director, Center for Global Food Issues at the Hudson Institute

Sandra Fluke

Lawyer, Social Justice Advocate, Women's Health Expert

Alan November

International Leader in Education Technology & Author of NYT Bestseller "Who Owns the Learning?", Founder of November Learning

John Sano

Former CIA Agent & Former Deputy Director of National Clandestine Service

Charles Limb

Associate Professor of Otolaryngology-Head and Neck Surgery

Amber Jenkins

Applied Science Engineer, NASA’s Jet Propulsion Laboratory; Editor, NASA Climate Change Website

James E. Hansen

Adjunct Professor Directing the Program on Climate Science, Awareness and Solutions of the Earth Institute at Columbia University; Former Director at NASA Goddard Institute for Space Studies

Barbara Bradley Hagerty

Religion Correspondent for NPR Who Reports on the Intersection of Faith and Politics, Law, Science and Culture

Stuart Firestein

Scientist; Advocate for the Public Understanding of Science

Bunker Roy

Founder of Barefoot College

Rishi Manchanda

Physician, Public Health Innovator, President & CEO of HealthBegins

Anna Escobedo Cabral

Former Treasurer of the United States, Partner at The Cabral Group & Jesse Ball duPont Fund Trustee

Jack Andraka

Machine Learning Engineer at Stanford Vision and Learning, Cancer Researcher & National Geographic Emerging Explorer

Shree Bose

Grand Prize Winner of the First Google Global Science Fair & Cancer Researcher

Robert Putnam

Professor of Public Policy, Harvard Kennedy School of Government; Author of "Our Kids"

Jason Clay

Senior Vice President of Food & Markets at WWF

Robert Tucker

Business Futurist, Innovation Expert & Best-Selling Author

Innovation is Everybody’s Business, a CadreTalk with Robert B. Tucker

Dr. Carl Hart

Professor of Psychology & Chair of Department of Psychology at Columbia University

Vilayanur Ramachandran

Neuroscientist; Director of the Center for Brain & Cognition, University of California, San Diego

Spencer West

Inspirational Adventurist; Social Activist; Expert on Overcoming Stereotyping & Bullying

Spencer West

Dr. Jeffrey Bauer

Health Futurist, Author & Medical Economist