Raj Patel

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

Juan Williams

New York Times Best-Selling Author, Fox News Political Analyst, Co-Host of "The Five" & Award-Winning Columnist

Bobby Seale

Political Activist & Co-Founder of the Black Panther Party

Ralph Nader

Consumer Advocate, Lawyer & Author; Former Independent Presidential Candidate

John Zogby

Trendspotter & Leading Pollster

Calvin Trillin

Author, Columnist, Humorist & Political Satirist

David Suzuki

Environmentalist & Scientist; Co-Founder of the David Suzuki Foundation

Rachel Simmons

Internationally Recognized Educator & Best-Selling Author

Michael Rogers

MSNBC's 'The Practical Futurist' & Technology Expert

Alice Walker

Pulitzer Prize & National Book Award-Winning Author; Best Known for "The Color Purple"

Rick Ridgeway

Environmentalist, Mountaineer, Expedition Author, Former VP of Environmental Initiatives & Special Projects at Patagonia

Immaculée Ilibagiza

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

Iris Krasnow

Best-Selling Author & Relationship Expert

Camp Girls: Fireside Lessons on Friendship, Courage, and Loyalty

Dr. Samantha Nutt

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

Rye Barcott

Co-Founder & CEO of With Honor, Veteran and Author of "It Happened on the Way to War"

Warren MacDonald

Adventurer, Author & Motivational Speaker; Double Above the Knee Amputee

Warren Macdonald Keynote Speaker Demo 2020

Gary Hirshberg

Co-Founder & Chief Organic Optimist of Stonyfield Farm

Mariane Pearl

Widow of Journalist Daniel Pearl

Dean Karlan

Behavioral Economist, Social Entrepreneur & Author

Alfie Kohn

Author & Speaker on Human Behavior, Education, & Parenting; Outspoken Critic of Education's Fixation on Grades