Max Levchin

CEO, Affirm; Co-Founder of PayPal

Jenny McCarthy

Former Co-Host, ABC's "The View" & New York Times Best Selling Author

Mitchell Kapor

Tech Consultant to the 2008 Obama Campaign, Philanthropist, Entrepreneur & Education Advocate

Lisa Randall

Award-Winning Physicist & Author

Dark Matter and the Dinosaurs: The Astounding Interconnectedness of the Universe

Mark Ruffalo

Actor, Director, Producer, Screenwriter & Environmental Activist

Rick Smolan

CEO of Against All Odds Productions, Photographer, Author & Big Data Enthusiast

Jeffrey Ma

Revolutionary Business Strategist, Social Media and Sports Betting Mogul & Kingpin of the Famous MIT Blackjack Team

What Surprised Me Most About M&A | Jeff Ma on the Cashing Out podcast

Novella Carpenter

Journalist & Best-selling Author of "Farm City: The Education of an Urban Farmer"

Naomi Wolf

Bestselling Author; Social Activist; Former Political Advisor to Al Gore and Bill Clinton

Alison Gopnik

Professor & World Leader in Children's Learning and Development

Les Stroud

Star of "Survivorman", Producer, Author, Filmmaker & Activist

Jonathan Perry

Gay Student Activist

Kathleen Kennedy Townsend

Maryland's 1st Female Lt. Governor

Beverly Crawford

Professor at the University of California at Berkeley

Naveen Selvadurai

Co-founder, Foursquare

Barton Seaver

Celebrity Chef, Author & Sustainable Food Advocate; National Geographic Fellow; Ocean Conservationist

Daniel Dennett

Professor of Philosophy at Tufts University

Sam Harris

Neuroscientist, Philosopher & Bestselling Author

Fredrik Stanton

Author, "Great Negotiations: Agreements that Changed the Modern World", Former President of "Columbia Daily Spectator"

Kathy Reichs

Bestselling Author, Forensic Anthropologist & Producer of Fox's "Bones"