Jason Clay

Senior Vice President of Food & Markets at WWF

Tensie Whelan

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

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

Bill Nye

"The Science Guy"; Science Communicator, TV Presenter & Mechanical Engineer; Climate Change Activist

Dr. Michio Kaku

World-Renowned Futurist & Theoretical Physicist

Amber Jenkins

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

Louie Schwartzberg

Award-Winning Cinematographer, Director, Photographer and Filmmaker

Winona LaDuke

Executive Director of Honor the Earth

Walter R. Stahel

Architect, Editor of the Risk Management Newsletter of The Geneva Association & Sustainability Advocate

April Ryan

White House Correspondent, MSNBC Political Analyst, D.C. Bureau Chief for TheGrio & Author

Scott McEwen

Attorney & Author of "American Sniper"

Kehinde Wiley

Visual Artist Specializing in Portrait Painting; Painted Barack Obama's Official Portrait

Diane Guerrero

Immigration Reform Activist & Actress Known for "Orange is the New Black" & "Jane The Virgin"

Helen Greiner

CEO at Tertill, Co-Founder & Former President of iRobot Corporation

Brian Krebs

Leading Cybercrime Journalist & New York Times Bestselling Author of "Spam Nation"

Tim Grover

CEO of Attack Athletics, Best-selling Author of "Relentless" and "Jump Attack"

Rishi Manchanda

Physician, Public Health Innovator, President & CEO of HealthBegins

Eric Thomas

Inspirational Speaker, Life Strategist & Author

Jeremy Bout

Executive Producer & Host of Edge Factor

Yoruba Richen

Award-Winning Documentary Filmmaker; Known For TED Talk on the Intersection of Civil Rights & LGBT Rights

Monica Lewinsky

Producer, Social Activist, Contributing Editor to Vanity Fair, Expert on Cyberbullying, Women's Issues & Reinvention

Monica Lewinsky Suits Up for Reformation's New Power Voting Campaign

Geena Rocero

Transgender Model & Advocate; Founder of Gender Proud

Geena Rocero Is Writing Her Truth - GLAMOUR Cover Story

Kimberly Bryant

Founder & CEO of Ascend Ventures & Black Innovation Lab; Founder of Black Girls CODE

Nir Eyal

Bestselling Author & Expert on the Intersection of Psychology, Technology and Business

Andrew Fastow

Former CFO of Enron & Expert on Financial Ethics

Jenny Lawson

Writer, Humorist & Mental Health Advocate; NYT Bestselling Author of "Let's Pretend This Never Happened," "Furiously Happy," & "You Are Here and Broken"

Anna Escobedo Cabral

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

Hasan Minhaj

Comedian, Actor, Writer & Star of "Patriot Act with Hasan Minhaj"

Randy Lewis

Founder of The Nogwog Disability Initiative, Former Senior VP for Supply Chain & Logistics at Walgreens & Author of "No Greatness Without Goodness"

Nina Davuluri

Thought Leader, Filmmaker, Activist, Performer & Entrepreneur