Allison Williams

Actress, Comedienne and Musician; Stars on HBO's "Girls"

Michael Moore

Academy Award Winning Documentarian & Best-Selling Author

Kinky Friedman

Political Satirist & Musician

Dick Armey

Former House Majority Leader, Economist

Shel Horowitz

Green Guerrilla Marketer, National Environmental Hall of Fame, Social Activist, and Author

Rob Dyrdek

Professional Skateboarder, Master Brand Builder, Entrepreneur, TV Personality

Libby Pataki

Former First Lady of New York; Advocate of Women's and Children's Health Issues

Harrison (Jack) Schmitt

Administrator, Businessman, Writer, U.S. Senator and Former NASA Pilot

Johan Rockström

Redefining Sustainable Development

Jeremy Gilley

Actor, Filmmaker & Founder of the Peace One Day Non-Profit

Michelle Williams

Award-Winning Film & Broadway Actress; Equal Pay Advocate

Michael Wilbon

Co-host of ESPN's "Pardon The Interuption", Washington Post Columnist

Kerri Walsh Jennings

Olympic Gold Medalist for Women's Beach Volleyball

Kerri Walsh Jennings Sizzle Reel

Joel Kurtzman

Joel Kurtzman is Chairman of the Kurtzman Group, a consulting and advisory firm.

Carne Ross

Carne Ross is the Founder of Independent Diplomat.

Peter Ward

Paleontologist

Alicia Munnell

Director of the Center for Retirement Research, Boston College

Janice Howroyd

Founder & CEO of The ActOne Group; The First African American Woman to Own a $1 Billion Brand

Dr. Jill Biden

First Lady of the United States

Jill Sobule

Singer-songwriter