Luther "Uncle Luke" Campbell

Founder of Southern Hip Hop, Freedom Fighter & Former Leader of The 2 Live Crew

Ron Sims

Former Deputy Secretary for the US Department of Housing and Urban Development

Michael Rubin

CEO of Fanatics; Philanthropist & Social Justice Advocate

Wyndi Marie Anderson

Leading Feminist and Social Justice Advocate

Amanda Palmer

Musician, New York Times Best Selling Author, Performer and Provocateur

Scott Heiferman

Co-Founder & CEO, Meetup

Jay Smooth

Hip-Hop Culture Analyst, Radio Show Founder, Social Commentator

Dr. Rajiv Shah

President of The Rockefeller Foundation

Making Big Bets with Rockefeller Foundation President Rajiv Shah

Joanne Barkan

Joanne Barkan writes on politics and economics for adults; she also writes verse and fiction for young readers.

Evo Morales

President, Bolivia

Danny Kennedy

Danny Kennedy– a passionate activist, successful cleantech entrepreneur, noted author and recognized opinion leader on global environmental issues.

Emily Hunter

A force behind youth environmental activism, journalist/activist/filmmaker Emily Hunter calls for advocacy and action in her campaign “Activism 2.0″.

David Adjaye

Renowned Architect; Lead Designer of The National Museum of African American History & Culture

Lorene Cary

Highly respected African-American author, educator, and social activist who – for over 25 years – has worked to deliver stories that the world needs to hear: from autobiographical to historical to fictional.

Ophelia Dahl

Social Justice & Health Care Advocate; Co-Founder, Former President & Current Board Chair of Partners In Health

Alnoor Ladha

Partner and Head of Strategy of Purpose; Co-Founder of The Rules

Zoe Baird

Senior Counselor to Secretary Gina Raimondo

Nick Hanauer

Entrepreneur, Venture Capitalist, Civic Activist, Philanthropist, Author & Host of Pitchfork Economics

Melba Pattillo Beals

Journalist, Author of "Warriors Don't Cry" & Member of the "Little Rock Nine"

Sam Davidson

Speaker, Author and Social Entrepreneur Helping People Discover Their Life's Work