Wintley Phipps

Vocal Artist and Founder of the US Dream Academy

Emma Watson

Actress, Model & Activist; UN Women Goodwill Ambassador; Co-Founder of the HeForShe Campaign

Mark Ruffalo

Actor, Director, Producer, Screenwriter & Environmental Activist

Reverend Al Sharpton

Baptist Minister, Political, Civil Rights & Social Justice Activist

Leilani Munter

Professional Race Car Driver & Environmental Activist

Candace Gingrich-Jones

Author and LGBT Activist with a unique perspective on politics

Novella Carpenter

Journalist & Best-selling Author of "Farm City: The Education of an Urban Farmer"

Erykah Badu

Grammy Award-winning Singer-Songwriter, Record Producer, Activist and Actress

Priyanka Chopra Jonas

Award-Winning Actress, Producer & Humanitarian

Priyanka Chopra Jonas Takes a Lie Detector Test | Vanity Fair

Naomi Wolf

Bestselling Author; Social Activist; Former Political Advisor to Al Gore and Bill Clinton

Oscar Arias

Former President of Costa Rica & Nobel Laureate

Angela Rockwood

Actress, Model, Disability Activist, Star & Producer on "Push Girls"

Les Stroud

Star of "Survivorman", Producer, Author, Filmmaker & Activist

Jonathan Perry

Gay Student Activist

Judith Light

Award Winning Actress & Activist

Kathleen Kennedy Townsend

Maryland's 1st Female Lt. Governor

Barton Seaver

Celebrity Chef, Author & Sustainable Food Advocate; National Geographic Fellow; Ocean Conservationist

Rebecca D. Costa

Sociobiologist & Author of The Watchman's Rattle

Riki Wilchins

Comic and LGBT Activist

Danny Trejo

Actor, Author, Activist & Restaurateur; Recovery & Intervention Counselor for Troubled Youth