Dan Ariely

Behavioral Economist; Professor at Duke University; Author; Founding Member of The Center for Advanced Hindsight

Roland Martin

Award-Winning Journalist & Media Personality, Author of "Listening to the Spirit Within: 50 Perspectives on Faith"

Alice Waters

Executive Chef, Founder & Owner of Chez Panisse; Sustainable Agriculture Advocate

Kanya Balakrishna

Co-Founder & CEO of The Future Project; Youth Empowerment & Education Advocate

Jacqueline Novogratz

Founder & CEO of Acumen Fund

Pharrell Williams

Singer-Songwriter, Producer & Entrepreneur; Known for the Hit Single, "Happy"

Ashley Michelle Berry

Anti-Bullying Advocate, Actress, TV & Radio Host

Micah Solomon

Customer Experience Consultant & Bestselling Author

Micah Solomon's MAMA™ method of Customer Service Recovery

Janine di Giovanni

Author, Award-Winning Foreign & War Correspondent; Visiting Fellow at Yale Law School & Executive Director The Reckoning Project

Ashton Kutcher

Actor, Producer, Investor & Activist

Wendy Kopp

CEO of Teach For All & Founder of Teach For America; Childhood Education Advocate

Ben Rattray

Founder & Executive Chair of Change.org

Porter Gale

Bestselling Author of "Your Network Is Your Net Worth" & Former Vice President of Marketing at Virgin America

Nicholas de Wolff

Digital Media & Brand Strategy; Economic & Social Transformation Advisor; Sustainable Business Activist

Charles Best

Founder and Former CEO, DonorsChoose.org

From Classroom To Crowdfunding

Tom Nelson

Author and President of Made To Flourish

Kimberly Lacy

TV Personality of HGTV's "Curb Appeal: The Block"; Artisan Painter, Home Decor and Landscape Designer

Matthew Sandusky

Child Sexual Abuse Survivor, Motivational Speaker & Founder of Peaceful Hearts Foundation