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

Mark Kramer

Co-founder of FSG, Author & Co-Creator of Shared Value Concept

Dr. Marc Lamont Hill

Presidential Professor at CUNY Graduate Center, BET News Correspondent, Human Rights Activist & Author

An Phung

Multimedia Journalist

Danny Hillis

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

Gary Slutkin

Epidemiologist & Founder/Executive Director of Cure Violence

Talib Kweli

Rapper, Emcee, Activist & Entrepreneur

Peter Rojas

Co-founder of Gizmodo and of Engadget

Ingrid Newkirk

President, PETA

Andrew Sullivan

Writer-at-large at New York; Former Editor-in-Chief of The New Republic Magazine & Political Blogger

Mia Farrow

Acclaimed Actress & Humanitarian Activist

Oscar Robertson

NBA Hall-of-Famer & Civil Rights Activist

F. Gary Gray

Director, Film Produce & Actor; Best Known for Directing "Straight Outta Compton" & "The Italian Job"

Kelly Siegler

Former Prosecutor & Star of "Cold Justice" on Oxygen

Zerlina Maxwell

Political Analyst, Sexual Assault Awareness Advocate & Author of "The End of White Politics"

Nontombi Naomi Tutu

Race, Gender & Human Rights Activist; Daughter of Desmond Tutu

Slavoj Žižek

Philosopher & International Director of the Birkbeck Institute for the Humanities

Raj Patel

Award-Winning Writer, Food Politics Activist, Filmmaker & Academic

Bobby Seale

Political Activist & Co-Founder of the Black Panther Party

Rose McGowan

Writer, Actor, Director, Entrepreneur and Whistle-Blower

Jim Wallis

Theologian, Writer, Political Activist & Racial Justice Advocate

Christ in Crisis: Why We Need to Reclaim Jesus

Kenneth Roth

Executive Director at Human Rights Watch

Sherman Alexie

Poet, Short Story Writer, Novelist, and Performer

David Bellos

Translator

Tim O'Brien

Pulitzer Prize Winning Novelist for "The Things They Carried"

Anuradha Koirala

Former Governor of Bagmati Province; Nepalese Social Activist

Neil Giuliano

Gay Rights Activist & President and CEO of Greater Pheonix Leadership

Ira Byock

Dartmouth-Hitchcock Medical Center

Paul Rieckhoff

Founder and Executive Director of Iraq and Afghanistan Veterans of America (IAVA); Author, "Chasing Ghosts: Failures and Facades in Iraq"

Melissa Harris-Lacewell

Professor, Princeton University