Van Jones

CEO of REFORM Alliance, CNN host, Emmy Award-winning Producer & NY Times Best-Selling Author

Mayim Bialik

Neuroscientist, Mental Health Advocate & Actress Known for "The Big Bang Theory"

Jasmine Crowe-Houston

Founder & CEO at Goodr Co.

Lisa Ling

Award-Winning Journalist & Producer for CBS News

Alice Waters

Executive Chef, Founder & Owner of Chez Panisse; Sustainable Agriculture Advocate

Alexandra Cousteau

Environmental Activist, Storyteller & Ocean Advocate

Raj Patel

Award-Winning Writer, Food Politics Activist, Filmmaker & Academic

Alexis Ohanian

Co-Founder of Initialized Capital & Co-Founder of Reddit; Entrepreneur, Investor, Activist & Bestselling Author

Alexis Ohanian Carthage College Commencement Address 2014

Tom Colicchio

Chef & Owner of Crafted Hospitality

Winona LaDuke

Executive Director of Honor the Earth

Patricia Arquette

Academy Award-Winning Actress, Activist, Humanitarian & Author

Robyn Benincasa

World Champion Adventure Racer & Best-Selling Author

Dan Buettner

National Geographic Writer, Renowned Explorer & Author of "Blue Zones"

Harry G. Broadman

Dispelling Myths About Emerging Markets Business Growth Opportunities and Risks

Jessica Alba

Actress; Entrepreneur; Founder & CEO of The Honest Company

Adrian Grenier

Actor Known for HBO's "Entourage"; Environmental Activist; UN Ambassador

Ralph Nader

Consumer Advocate, Lawyer & Author; Former Independent Presidential Candidate

Jason Clay

Senior Vice President of Food & Markets at WWF

Doug Fine

Bestselling Author & Award-Winning Documentary Film Director; Food Security Advocate, Regenerative Hemp Farmer & Solar-Powered Goat Herder

PBS Newsmakers - American Hemp Farmer Film Discussion

Graham Hill

Founder of Life Edited & TreeHugger.com