Annie Duke

Author, Decision Strategist

Van Jones

CNN Contributor; Best-Selling Author; Human Rights, Education and Clean Energy Advocate

Mitt Romney

Former Governor of Massachusetts, 2012 Republican Presidential Nominee and CEO

Brian Honan

Brian Honan is a recognised internationally as an expert on cybersecurity. He is a special advisor to Europol's Cybercrime Centre (EC3), founder of Ireland's first CERT, and sits on the advisory board for several innovative security companies. Brian is th

Dr. Michio Kaku

World-Renowned Theoretical Physicist

The Future of Humanity: Terraforming Mars, Interstellar Travel, Immortality, and Our De...

Augusten Burroughs

American Writer Known for his New York Times Bestselling Memoir Running with Scissors

Kwame Anthony Appiah

Professor, Departments of Philosophy and Law, New York University; Author, Honor Code

The Ethics of Identity

Dyana Valentine

Entrepreneur; Founder of WHY and creator of Super Conditions for Greatness

Jim Lehrer

Anchor, Co-Anchor and Executive Editor, PBS Newshour, the Newshour with Jim Lehrer and The MacNeil/Lehrer Report (1976-2011) and Legendary Presidential Debate Moderator

Isabel Allende

Novelist

Jimmy Wales

Co-founder of Wikipedia and Mobile Phone Carrier The People's Operator

Ta-Nehisi Coates

Senior Editor of The Atlantic; Bestselling Author of "Between the World and Me"

Black Panther: A Nation Under Our Feet Book 1

Jimmy Carter

Former United States President (1977-1981), Author

A Call to Action: Women, Religion, Violence, and Power

Dalia Mogahed

President and CEO, Mogahed Consulting, LLC; Author, "Who Speaks for Islam?"

Debra Christofferson

Information Security Consultant at Sapphire-Security Services

Parag Khanna

The World's Leading Geo-Strategist; Author of Second World: How Emerging Powers Are Redefining Global Competition in the 21st Century

Lawrence Tribe

Professor, Harvard Law School; Attorney; Author

Cody Adams

Managing Editor of The Floating University.

Alain de Botton

Swiss Writer, Philosopher & Television Presenter

Pastor Rick Warren

Pastor, Author; "The Purpose-Driven Life"