Alice Waters

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

Jacqueline Novogratz

Founder & CEO of Acumen Fund

Nina Jablonski

Author of Skin: A Natural History; Anthropologist & Palaeobiologist

Bill Gates

Co-Founder of Microsoft; Co-Chair of the Bill & Melinda Gates Foundation

Ray Zahab

Ultra-marathon Runner and Adventurer; Host, "The Project"; Author of "Running for My Life"

Graham Hill

Founder of Life Edited & TreeHugger.com

Pranav Mistry

Computer Scientist & Inventor

Daniel Kraft, M.D.

Physician-Scientist; Founder of Exponential Medicine; Chair for Medicine & Neuroscience at Singularity University

Temple Grandin

World-Famous Animal Scientist, Autism Self-Advocate & Author of "Thinking in Pictures: My Life With Autism"

TEMPLE GRANDIN on the Three Kinds of Kids

Sylvia Earle

Explorer-in-Residence at National Geographic & Oceanographer; Former Chief Scientist of the NOAA

Liz Coleman

Liz Coleman radically remade Bennington College in the mid-1990s, in pursuit of a new vision: higher education as a performing art.

Bonnie Bassler

Bonnie Bassler studies how bacteria can communicate with one another, through chemical signals, to act as a unit. Her work could pave the way for new, more potent medicine.

Mayim Bialik

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

Mark Z. Jacobson

Director of the Atmosphere/Energy Program & Professor of Civil and Environmental Engineering at Stanford University

Jill Tarter

Astronomer & Bernard M. Oliver Chair for SETI Research at the SETI Institute; Recognized for Work on Extraterrestrial Intelligence

Alex Tabarrok

Economist

Mary Roach

TED Speaker & Author Known for "Packing For Mars"

Maude Barlow

Activist, Author & Former UN Senior Advisor on Water

Charles Moore

Founder of the Algalita Marine Research Foundation, Dedicated to Combat Plastic Pollution

Charles Moore - TED Talk - Seas of Plastic

Catherine Mohr

Vice President of Strategy at Intuitive Surgical & President of the Intuitive Foundation; Medical Tech Start-Up Advisor

Kathy Ireland

CEO & Chief Lifestyle Designer of Kathy Ireland Worldwide; Supermodel & Health Advocate

Kathy Ireland - Anatomie interview

Sophal Ear

Leading Researcher on Post-Crisis Nations

Bruce Bueno de Mesquita

Political Scientist, Professor at New York University & Senior Fellow at Stanford University's Hoover Institution

Robyn Benincasa

World Champion Adventure Racer & Best-Selling Author

Sarah Frey

CEO, Founding Farmer of Frey Farms, Author & Advisor to the Chair of the U.S. House Committee on Agriculture

Laura Snyder

Professor; Science Historian; Philosopher; Author of "The Philosophical Breakfast Club"

Will Allen

Pioneer in the Urban Farming Movement, Author & Founder of Growing Power

Glenn Roberts

Wheat and Rice Farmer; Owner of Anson Mills

Harvey Wasserman

Journalist, Author, Democracy Activist & Advocate for Renewable Energy

Jason Clay

Senior Vice President of Food & Markets at WWF