Andrew Winston

Sustainability Expert & Author of "Green to Gold"

Meet Net Positive Co-author Andrew Winston

Megan Rapinoe

Midfielder & Winger on the U.S. Women's National Soccer Team, Olympic Gold Medalist, LGBTQ+ Activist

Kevin Kelly

Founder & Executive Editor of Wired Magazine, Author of "The Inevitable: Understanding the 12 Technological Forces That Will Shape Our Future"

Dr. Chap Clark

Author of "Hurt 2.0: Inside the World of Today’s Teenagers"; Former Professor Youth, Family, & Culture at Fuller Theological Seminary

Tituss Burgess

Emmy-Nominated Actor Known for "The Unbreakable Kimmy Schmidt"

Joy-Ann Reid

MSNBC Correspondent, Political Author & Former Host of "The Reid Report"

Peter Docker

Leadership & "Start With Why" Culture Expert

Bernie Krause

Natural sounds legend; records the sounds of endangered biospheres.

Lynsey Addario

American Photojournalist; Contributor for National Geographic & Time Magazine

David Houle

Global Futurist & Strategist, Honorary President and Futurist of the Future Business School of China. Houle won two Emmys, a Peabody award and the Heartland award for "Hank Aaron: Chasing the Dream"

Nontombi Naomi Tutu

Race, Gender & Human Rights Activist; Daughter of Desmond Tutu

Martin Seligman

Zellerbach Family Professor of Psychology & Director of the Positive Psychology Center at the University of Pennsylvania

Dr. Jonathan Foley

World Leading Climate Scientist & Executive Director of Project Drawdown

Tim O'Reilly

Founder & CEO of O'Reilly Media

Sarah Kay

Poet & Founder of Project V.O.I.C.E.; TED Speaker

Matt Damon

Actor, Screenwriter & Producer; Co-Founder of Water.org; Expert Advocate on Global Water & Sanitation Crisis

The Worth of Water: Our Story of Chasing Solutions to the World's Greatest Challenge

Laura Carstensen

Stanford University, Professor of Psychology

Dr. Tali Sharot

Leading Expert on Human Decision-Making & Optimism; Cognitive Neuroscientist & Author

Annie Lennox

Singer-Songwriter Known for "Sweet Dreams;" Political Activist & Humanitarian

Dan Cobley

Marketing Director at Google & TED speaker

Former Google MD on Innovative Teams | Q&A with Dan Cobley ...