Amin Toufani

CEO of T Labs, Creator of Adaptability.org, Chair for Finance & Economics at Singularity University

Barbara Boxer

Former Democratic Senator of California

Saj-Nicole Joni

Business Strategist & Advisor

John Holdren

Professor of Environmental Policy & Director of the Program on Science, Technology, and Public Policy at the Harvard Kennedy School of Government

Rick Tumlinson

One of the World's Top Space Visionaries; Founder of the Commercial Space Movement; Founding Trustee of the XPrize

Peter Duncan

Executive Chairman and Founder of MicroSeismic, Inc

Robert Mueller

Former Director of the Federal Bureau of Investigation (2001-2013)

Jonathan Trent

Former Director of Offshore Membrane Enclosures for Growing Algae; Founder of UpCycle Systems

Sallie Krawcheck

Founder & CEO of Ellevest; Author of "Own It: The Power of Women at Work"

Pat Mitchell

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

William McDonough

Renowned Architectural Designer, Advisor & Co-Author of "Cradle to Cradle + The Upcycle"

Francesco Stipo

President & CEO of the Houston Energy Club; Leading Authority on International Affairs & Energy

Tim Sanders

Bestselling Author, Technology Pioneer, Expert on Collaboration & Relationships

Jacqueline Novogratz

Founder & CEO of Acumen Fund

Daniel Esty

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

Elizabeth Economy

C.V. Starr Senior Fellow & Director of Asia Studies at the Council on Foreign Relations

Robin Chase

Transportation Entrepreneur, Founder & Former CEO of Zipcar; Author of "Peers Inc: How People and Platforms Are Inventing the Collaborative Economy and Reinventing Capitalism"

Cyrus Wadia

Sustainability Leader & Entrepreneur

Dr. Julio Friedmann

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

Joan Michelson

Co-Host of the Electric Ladies Podcast, ESG Consultant, Business Sustainability & Leadership Expert

Jason Schenker

Top-Ranked Economist, Best-Selling Author, President of Prestige Economics & Chairman of The Futurist Institute

Matt Rogers

Partner, Clean Tech Practice McKinsey & Company

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

Gov. Mike Leavitt

Founder & Chairman of Leavitt Partners, Former Governor of Utah

Katharine Hayhoe

Atmospheric Scientist, Professor of Political Science & Director of Climate Science Center at Texas Tech, Lead Scientist with The Nature Conservancy

Saving Us: A Climate Scientist's Case for Hope and Healing in a Divided World

Bindi Irwin

Wildlife Conservationist & Daughter of Steve Irwin; Season 21 Contestant on "Dancing With the Stars"

Grace Helbig

Comedian, YouTube Personality, Actress & Author

Avi Rubin

Professor of Computer Science & Technical Director of the Information Security Institute at Johns Hopkins University

Scott Simon

NPR "Weekend Edition" Host

Windy City

Sylvia Acevedo

Engineer, Rocket Scientist & Technology Leader; Inspirational Speaker; Corporate Director at Qualcomm; Former CEO of Girl Scouts USA

How Sylvia Acevedo Defied Barriers to Become Girl Scout CEO

Brent Gleeson

CEO of TakingPoint Leadership, Navy SEAL Combat Veteran & Best-Selling Author