Tom Freston

Principal, Firefly3; Former CEO, Viacom Inc.

Cody Adams

Managing Editor of The Floating University.

Peter Thiel

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

Jimmy Wales

Founder of Wikipedia & Wikitribune

Moby

Musician, DJ, Photographer

Kurt Andersen

Host of "Studio 360 from PRI and WNYC" & Author

Calvin Trillin

Author, Columnist, Humorist & Political Satirist

Sir Richard Branson

Businessman & Founder of Virgin Group

Ronen Bergman

Investigative Journalist

Ingrid Newkirk

President, PETA

Brian Hoffstein

Contributing Writer

Shashi Tharoor

Diplomat & Author; Former United Nations Under-Secretary-General

Gerry Adams

President, Sinn Fein

John Legend

EGOT Winning Musician, Producer & Philantropist

Parag Khanna

Managing Partner at FutureMap; Strategic Advisor to Governments & Global Companies; Bestselling Author; TED Speaker

Dan Ariely

Behavioral Economist; Professor at Duke University; Author; Founding Member of The Center for Advanced Hindsight

Gillian Caldwell

CEO of Global Witness

Neil Giuliano

Gay Rights Activist & President and CEO of Greater Pheonix Leadership

Julia Bolz

Women's Rights Activist

Robert Lacey

Author, "The Kingdom"

An Phung

Multimedia Journalist

Jeffrey Israel

Author & Jewish Studies Professor at Williams College

Irwin Kula

Irwin does challenge the status quo in the American spiritual landscape.

Graham Hill

Founder of Life Edited & TreeHugger.com

Andrew Carmellini

Award-Winning Chef & Restaurateur

Charles Best

Founder and Former CEO, DonorsChoose.org

From Classroom To Crowdfunding

Josh Lieb

Executive Producer, "The Daily Show"

Rob Huebel

Actor, Comedian & Writer; Known for his Role in "Children's Hospital" and "Transparent"

Patrick Byrne

Founder & CEO, Overstock.com

Rebecca MacKinnon

Founding Director of Ranking Digital Rights