Michael Shellenberger

Founder & President of Environmental Progress; Expert on Energy, Climate, Security, Human Development and Politics

Miki Agrawal

Author of "Do Cool Sh*t" & "Disrupt-Her: A Manifesto for the Modern Woman"

Ryan Hamilton

Named one of Rolling Stone's five comics to watch and with standout appearances on NBC's "Last Comic Standing"

Gil Friend

President & Chief Executive Officer of Natural Logic

Ralph Nader

Consumer Advocate, Lawyer & Author; Former Independent Presidential Candidate

Jonathan Greenblatt

CEO of the Anti-Defamation League; Former Director of the U.S. Office of Social Innovation & Civic Participation; Former Starbucks VP of Global Consumer Products

Morning Joe – Jonathan Greenblatt responds to Hamas's brutal ...

Elon Gold

Comedian and Actor; Starred in FOX's "Stacked"

John Zogby

Trendspotter & Leading Pollster

Aaron McGruder

Writer and Cartoonist; Known for "The Boondocks"

James Woolsey

Former Director of the C.I.A.

Claire O'Neill

Managing Director at World Business Council for Sustainable Development (WBCSD)

Elizabeth McKee Gore

Co-Founder of Hello Alice; Former Entrepreneur-In-Residence at Dell

Matt Rogers

Partner, Clean Tech Practice McKinsey & Company

Mission Possible Partnership: 400 Partners. 7 Heavy Industries. 1 ...

Ben Bailey

Stand-up comedian and Host of "Cash Cab"

Jon Lovett

Co-Founder of Crooked Media, Podcaster, Host of "Lovett or Leave It" and "Pod Save America"

John Salley

4-time NBA champion, wellness advocate and TV host.

Matt Iseman

Doctor, Comedian, Television Personality, Host of American Ninja Warrior on NBC, Co-Host of Style Network’s "Clean House", Host for History Channel’s "Invisible" & Cancer Survivor

Dr. Shelley Sykes

The Happiness Guru

The Dan Band

Comedy Band

Dr. Julio Friedmann

Chief Scientist at Carbon Direct & Non-Resident Fellow at the Center on Global Energy Policy at Columbia University SIPA