Alexandra Cousteau

Environmental Activist, Storyteller & Ocean Advocate

Alice Dreger

Writer, Historian & Journalist Whose Work Centers on the Epistemology of Democracy

Alice Waters

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

Ambassador Dennis Ross

Author, Counselor & William Davidson Distinguished Fellow at The Washington Institute; Former Special Assistant to President Obama

Amy Myers Jaffe

Leading Expert on Global Energy Policy & Sustainability

Andrea Mitchell

Host of MSNBC’s "Andrea Mitchell Reports" & Chief Foreign Affairs Correspondent for NBC News

Andrea Mitchell - Celebrating 15 years of "Andrea Mitchell Reports"

Andrew Natsios

Expert on Strategies for Business, Economic, and Political Success in the Developing World

Ari Weinzweig

Co-Founder of Zingerman’s Community of Businesses

Ashley Michelle Berry

Anti-Bullying Advocate, Actress, TV & Radio Host

Ashton Kutcher

Actor, Producer, Investor & Activist

Baratunde Thurston

Futurist Comedian, Writer & Cultural Critic

Baratunde In Media

Ben Rattray

Founder & Executive Chair of Change.org

Bert Jacobs

Co-Founder & Chief Executive Optimist of Life is Good

Betsy Myers

Women’s Business & Leadership Expert; Author of "Take the Lead;" Former Senior Political Advisor

Bob Phibbs

Consultant & Motivational Speaker Known as the Retail Doctor; Author of "The Retail Doctor's Guide to Growing Your Business"

Bonin Bough

Chief Growth Officer at Triller; Former Chief Media & eCommerce Officer at Mondeléz International (formerly Kraft Foods), Host of CNBC's Cleveland Hustles & Author

Cameron Sinclair

World-Class Visionary; Co-Founder of Architecture for Humanity

Carol Bartz

Former CEO and President of Yahoo!

Charles Best

Founder and Former CEO, DonorsChoose.org

From Classroom To Crowdfunding

Charles Leadbeater

Innovation Expert & Author