Van Jones

CEO of REFORM Alliance, CNN host, Emmy Award-winning Producer & NY Times Best-Selling Author

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

Sallie Krawcheck

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

Ray Kurzweil

Chairman of Kurzweil Technologies, Inventor & Futurist; Author of "How to Create a Mind"

Dr. Michio Kaku

World-Renowned Futurist & Theoretical Physicist

Lisa Ling

Award-Winning Journalist & Producer for CBS News

Alexandra Cousteau

Environmental Activist, Storyteller & Ocean Advocate

Sylvia Earle

Explorer-in-Residence at National Geographic & Oceanographer; Former Chief Scientist of the NOAA

Alaa Murabit

Architect of the Sustainable Development Goals, Nobel Peace Prize Nominee, Gates Foundation Director & UN High level Commissioner

Barbara Boxer

Former Democratic Senator of California

Jeff Orlowski-Yang

Award-winning Filmmaker, Photographer, Entrepreneur & Climate Change Activist

Patricia Arquette

Academy Award-Winning Actress, Activist, Humanitarian & Author

Jason Schenker

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

Dan Buettner

National Geographic Writer, Renowned Explorer & Author of "Blue Zones"

Harry G. Broadman

Dispelling Myths About Emerging Markets Business Growth Opportunities and Risks

Tim Sanders

Bestselling Author, Technology Pioneer, Expert on Collaboration & Relationships

Adrian Grenier

Actor Known for HBO's "Entourage"; Environmental Activist; UN Ambassador

Michael Shellenberger

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

Alicia Silverstone

Actress & Animal Rights Activist

Christiana Figueres

Expert on Global Climate Change; Former Executive Secretary of the UN Framework Convention on Climate Change

Amy Brenneman

Actress, perhaps best known for her roles on "NYPD Blue," "Judging Amy," and "Private Practice"

Vikram Mansharamani

Academic Author, Advisor, Global Trend-Watcher & Lecturer at Harvard University

Shashi Tharoor

Diplomat & Author; Former United Nations Under-Secretary-General

Darin Olien

Co-Host of Netflix "Down To Earth" with Zac Efron, Best-Selling; Original Formulator of "Shakeology;" Healthy Living & Superfoods Expert

James Woolsey

Former Director of the C.I.A.

Josette Sheeran

President and CEO of the Asia Society; Former Vice Chairman of the World Economic Forum.

Alyssa Milano

Actress, Author, Philanthropist & Founder of Touch by Alyssa Milano; Known for "Charmed" and "Who's the Boss"

Daryl Hannah

Actress, Best Known for "Kill Bill" & "Splash"; Environmental Activist

Soumitra Dutta

Indian Academic, Author & Entrepreneur Focused on Business Growth Through Innovation and Technology; Dean of the Saïd Business School at the University of Oxford

Peter Senge

Senior Lecturer in Leadership and Sustainability at the MIT Sloan School of Management, Pioneer in the Field of Learning Organizations, and Author of The Fifth Discipline