Dolores Huerta

Co-Founder of the United Farm Workers of America; First Latina Inducted into the National Women's Hall of Fame; Two-Time U.S. Presidential Award Recipient

Danny Hillis

Author & Co-Founder and Co-Chairman of Applied Minds

Nadine Strossen

Professor of Law; President, American Civil Liberties Union (1991-2008)

Jane Chen

Co-Founder & CEO of Embrace Innovations

Gary Hirshberg

Co-Founder & Chief Organic Optimist of Stonyfield Farm

Robert Greene

New York Times Bestselling Author of "The 48 Laws of Power," "The Art of Seduction," "The 33 Strategies of War," and "The 50th Law"

Ingrid Newkirk

President, PETA

Jay-Z

Renowned Rapper and Entrepreneur

Timothy Patrick McCarthy

Award-Winning Scholar, Educator & Human Rights Activist; Faculty Member at Harvard University's Graduate School of Education and John F. Kennedy School of Government

Reckoning with History: Unfinished Stories of American Freedom

Snoop Dogg

Rapper, Singer, Songwriter, Record Producer & Actor

Lynda Resnick

Vice Chair & Co-Owner of The Wonderful Company; Philanthropist

Lynda Resnick - UMASS intro to Daniel Ellsberg's honorary degree award

Brian Hoffstein

Contributing Writer

Jason Kottke

Designer of Silkscreen Typeface, Lifetime Achievement Award Blogger

Elizabeth McKee Gore

Co-Founder of Hello Alice; Former Entrepreneur-In-Residence at Dell

Sister Souljah

Author, Rap Artist & Community Activist

Maude Barlow

Activist, Author & Former UN Senior Advisor on Water

Martin Luther King III

Civil Rights Activist, Global Humanitarian & Political Leader

John Amaechi

Organizational Psychologist, Leadership Transformation Expert & Former NBA Player

Michael Walzer

Professor Emeritus, The Institute for Advanced Study

Richard Dowden

Director, Royal African Society