Sophia Bush

Actress, Humanitarian & Author

Louie Schwartzberg

Award-Winning Cinematographer, Director, Photographer and Filmmaker

Bill Nye

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

Dr. Michio Kaku

World-Renowned Futurist & Theoretical Physicist

Ashley Judd

Actress, Activist & Humanitarian

Gary Snyder

Poet, Essayist, Lecturer and Environmental Activist

Tensie Whelan

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

Lamman Rucker

Actor, Education Activist, Green Living Advocate & Entrepreneur

Amber Jenkins

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

Jason Clay

Senior Vice President of Food & Markets at WWF

Peter Thiel

Former CEO and Co-founder of PayPal; Technology Entrepreneur, Investor and Philanthropist

Lisa Gansky

Corporate Advisor, Marketing Expert & Author of "The Mesh: Why the Future of Business Is Sharing"

Ian Somerhalder

Actor Known for "The Vampire Diaries"; Animal & Environmental Advocate; Founder of The Ian Somerhalder Foundation

Ray Kurzweil

Chairman of Kurzweil Technologies, Inventor & Futurist; Author of "How to Create a Mind"

Janet Mock

Author, Feminist, Transgender Rights Activist, TV Host & Founder of #GirlsLikeUs

Ashlee Vance

Award Winning Feature Writer, Bloomberg Businessweek; Author of NYT Bestseller "Elon Musk: Tesla, SpaceX, and the Quest for a Fantastic Future"

Eric Thomas

Inspirational Speaker, Life Strategist & Author

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

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