Dominique Witten

Stand-Up Comedian & Finalist on NBC's "Last Comic Standing"

Josh McDowell

Christian Apologist, Evangelist & Best-Selling Author

Maziar Bahari

Iranian-Canadian Journalist; Documentary Filmmaker

Robert Kirkman

Writer and Creator of "Outcast," "The Walking Dead" and its Spin-off, "Fear the Walking Dead"

Natalie Zemon Davis

American-Canadian Historian

Karen Tse

Human Rights Defender & Social Entrepreneur; Founder of International Bridges of Justice

Marcus Luttrell

Decorated Navy SEAL & Bestselling Author of "Lone Survivor"

Ann Bancroft

Pioneering Polar Explorer; Educator & Dyslexia Advocate; Activist for Women & Girls

Al Duncan

Motivational Speaker for At-Risk Youth; Authority on Development & Empowerment

Peg Neuhauser

Management & Organizational Consultant; Author of Culture.com

Buzz Aldrin

Former Fighter Pilot & 2nd Man to Walk on the Moon; Author

Russell Simmons

Entrepreneur & Philanthropist

Aisha Tyler

Actress & Comedian

Lisa Lampanelli

Comedy's Lovable Queen of Mean; Standup Comedian; Actress; Equal Opportunity Offender

Lily Tomlin

Actress & Comedian; Star of Netflix's "Grace and Frankie"

Liz Nead

Adventure Speaker, Author & Life Coach

Jeremy Lin

Professional Basketball Player for Beijing Ducks of the Chinese Basketball Association

Shirin Neshat

Iranian Visual Artist; Focuses on Social, Cultural & Religious Codes of Muslim Societies

The Future of Art According to Shirin Neshat

Andrew Zimmern

Four-Time James Beard Award-Winning TV Personality, Chef, Writer & Teacher

Dr. Cornel West

Philosopher, Professor, Political Activist & Author of "Race Matters"; 2024 People's Party Presidential Candidate