Andrew Revkin

Senior Fellow for Environmental Understanding at Pace University

Clay Shirky

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

Dambisa Moyo

Global Economist, Author & Investor in the Future

Deborah Grayson Riegel

Management Coach, Consultant & Trainer

Dr. Mike Magee

President of Positive Medicine, Inc., Health Journalist & Author

George Mitchell

Global Diplomat, Peace Negotiator & Leadership Expert; Former Senate Majority Leader Who Enjoyed Bipartisan Respect

Gretchen Rubin

New York Times Best-Selling Author of "The Happiness Project;" Host of Podcast "Happier with Gretchen Rubin"

Gretchen Rubin - Knowing Yourself: Why You're Happy and You ...

Halla Tomasdottir

CEO, The B Team, Presidential Candidate (2016) & TED Speaker, Iceland

Hoda Kotb

Award-Winning Broadcast Journalist, Television Personality, Author & Co-Anchor of NBC News' TODAY

Ivanka Trump

Executive Vice President of Acquisitions & Development, Trump Organization; Founder, Ivanka Trump Collection

Jacqueline Novogratz

Founder & CEO of Acumen Fund

James Mapes

Expert on the Psychology of "Applied Imagination"

Jennifer Hyman

Award-Winning Co-Founder & CEO of Rent the Runway, Gender Equality Advocate

John Stossel

Emmy-Award Winning Journalist

Joseph Stiglitz

American Economist, Professor at Columbia University & Nobel Memorial Prize in Economic Sciences 2001

Kevin Powell

Writer, Humanitarian, President of BK Nation

Lauren Bush

Founder & CEO of FEED Projects; Model & Fashion Designer; Granddaughter of Former President George H. W. Bush

Matthew Bishop

Nonresident Senior Fellow of Global Economy and Development at the Center for Sustainable Development

Parag Khanna

Managing Partner at FutureMap; Strategic Advisor to Governments & Global Companies; Bestselling Author; TED Speaker

Patricia Sellers

Multimedia Journalist, CEO of SellersEaston Media Co. & Chair of the Fortune Most Powerful Women Summit