Mayim Bialik

Neuroscientist, Mental Health Advocate & Actress Known for "The Big Bang Theory"

Alexandra Cousteau

Environmental Activist, Storyteller & Ocean Advocate

Jeff Orlowski-Yang

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

Jeremy Rifkin

Leading Global Technologist, Futurist, Authority on World Economic & Environmental Trends

Parag Khanna

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

Patricia Arquette

Academy Award-Winning Actress, Activist, Humanitarian & Author

Doc Hendley

Global Humanitarian, Clean Water Crusader, Top 10 CNN Hero, Sustainability Advocate

Robert Ballard

Renowned Ocean Explorer & Scientist

Jacqueline Novogratz

Founder & CEO of Acumen Fund

Tim Sanders

Bestselling Author, Technology Pioneer, Expert on Collaboration & Relationships

Jessica Alba

Actress; Entrepreneur; Founder & CEO of The Honest Company

Karen Tse

Human Rights Defender & Social Entrepreneur; Founder of International Bridges of Justice

Marco Tempest

Cyber-Illusionist

Amy Myers Jaffe

Leading Expert on Global Energy Policy & Sustainability

Amy Myers Jaffe: TEDx Energy Policy

Gary White

CEO & Co-Founder of WaterEquity & Water.org with Matt Damon

Robert Bryce

Energy Expert, Veteran Journalist & Acclaimed Author

A Question of Power: Electricity and the Wealth of Nations

Ray Zahab

Ultra-marathon Runner and Adventurer; Host, "The Project"; Author of "Running for My Life"

William McDonough

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

Sebastian Copeland

Adventurer, Environmental Activist, Award-Winning Photographer, Author, Lecturer & Founder of the Sedna Foundation

Lawrence Summers

Professor & Former President of Harvard University; Former Secretary of the Treasury, Director of the National Economic Council, & Chief Economist of the World Bank