Martina Navratilova

Retired World #1 Tennis Player, International Tennis Hall of Famer, Gay Rights Activist & Author

Winona LaDuke

Executive Director of Honor the Earth

Camryn Manheim

Actress; Human Rights Activist; Writer & Producer

Dean Karlan

Behavioral Economist, Social Entrepreneur & Author

Jesse Jackson

Civil Rights Activist & Politician

Charlize Theron

Academy Award-Winning Actress; Best Known for "Monster" & "Mad Max: Fury Road"

Hugh Evans

Humanitarian; Founder & CEO of Global Poverty Project

Eleanor Longden

Mental Health Advocate & Speaker; Postdoctoral Service User Research Manager at Psychosis Research Unit

Compassion for Voices: a tale of courage and hope

Dr. Samantha Nutt

Medical Doctor, Award-Winning Humanitarian, Bestselling Author & Founder of War Child USA

Laurie Holden

Actress Known For AMC's "The Walking Dead;" Human Rights Activist

Leymah Gbowee

Liberian Peace Activist, Social Worker & Women's Rights Advocate; 2011 Nobel Peace Laureate

Dr. Marc Lamont Hill

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

Fred D. Gray

Veteran Civil Rights Attorney; Represented Rosa Parks & Dr. Martin Luther King, Jr.

Sally Field

Academy Award-winning Actress, Director & Producer

Sonia Nazario

Pulitzer Prize-Winning Author & Journalist; Author of "Enrique’s Journey"

David Horowitz

Nationally Known Author & Lifelong Civil Rights Activist, One of the Founders of the New Left

Mark Ruffalo

Actor, Director, Producer, Screenwriter & Environmental Activist

Immaculée Ilibagiza

Author, "Left to Tell: Discovering God Amidst the Rwandan Holocaust"

Nonie Darwish

Egyptian-American Human Rights Activist, Author & Founder of Arabs For Israel

Somaly Mam

Survivor & Anti-Sex Slavery Activist