David Bornstein

Author, Fixes column in The New York Times and Founder, Solutions Journalism Network

Craig Kielburger

Co-Founder of the WE Organization, Social Entrepreneur, Humanitarian & New York Times Best-Selling Author

John Wood

Founder & Board Co-Chair of Room to Read; Former Microsoft Marketing Executive

Gary Cohen

Managing Partner at CO2 Partners

Wendy Kopp

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

Paul Orfalea

Founder of Kinko's

Paul Orfalea's Top 10 Rules For Success

Ian Goldin

Director, Oxford University's 21st Century School, Visionary Economist and Former Vice President, The World Bank

Peter Hinssen

Cloud Computing & Technology Expert, Thought Leader & IT Strategist

Pat Mitchell

Editorial Director & Host of TEDWomen; Co-Chair of the Women's Media Center; Former President of CNN Productions & PBS

Martin Fisher

Co-Founder and CEO, KickStart

Vera Cordeiro

Founder and CEO, Associação Saúde Criança

Clay Shirky

Expert on New Technology & Social Media, & How They Shape Culture; Professor & Distinguished Writer in Residence, NYU

Ray Suarez

Author, Lecturer, Reporter & Former Host of Al Jazeera America's "Inside Story"

Tim Sanders

Bestselling Author, Technology Pioneer, Expert on Collaboration & Relationships

Neal Petersen

History-Making Extreme Adventurer, Award-Winning Author & Global Investor

Ralph Nader

Consumer Advocate, Lawyer & Author; Former Independent Presidential Candidate

Marc Kielburger

Co-Founder of the WE Organization, Social Entrepreneur, Humanitarian & New York Times Best-Selling Author

Peter Gleick

Co-founder & President of the Pacific Institute for Studies in Development, Environment & Security

The Three Ages of Water

Daniel Esty

Hillhouse Professor of Environmental Law and Policy at Yale Law School, Corporate Environmental Strategy Expert & Co-Author of "Green to Gold"

Ravi Hutheesing

Global Keynote Speaker | Empowering education and business leaders to build a future with millennials and beyond.

Gillian Caldwell

CEO of Global Witness

Mark Kramer

Co-founder of FSG, Author & Co-Creator of Shared Value Concept

Marc Freedman

Founder & CEO of Encore.org; World Economic Forum Social Entrepreneur of the Year

Sally Osberg

President and CEO, Skoll Foundation

Cara Mertes

Director, Sundance Institute

Mindy Lubber

CEO & President of Ceres, Sustainability Thought Leader & Social Impact Entrepreneur

Jordan Kassalow

CEO, VisionSpring

Thomas Pogge

Philosopher Thomas Pogge wants to ensure medications get to those who need it most. He has published on a wide range of subjects such as global justice and human rights.

Lisa Gansky

Corporate Advisor, Marketing Expert & Author of "The Mesh: Why the Future of Business Is Sharing"

Jeffrey Kluger

Journalist; Editor and Writer at TIME MAGAZINE. Author of 8 books, including APOLLO 13.