Raj Patel

Award-Winning Writer, Food Politics Activist, Filmmaker & Academic

Jason Schenker

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

Adrian Grenier

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

Blake Mycoskie

Founder of TOMS, Social Entrepreneur & Author of NY Times Bestseller "Start Something That Matters"

Robert Bryce

Energy Expert, Veteran Journalist & Acclaimed Author

Willie Nelson

Country Music Singer-Songwriter Known for "On The Road Again" & "Always On My Mind"

Spencer Wells

Geneticist, Anthropologist, Author, Entrepreneur, Adjunct professor at the University of Texas at Austin

Kay Firth-Butterfield

CEO of Good Tech Advisory LLC & Expert on AI Governance; Senior Research Fellow at the University of Texas

Miki Agrawal

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

Justin “The Big Pygmy” Wren

Founder of Fight For The Forgotten, Professional Athlete & Author

Justin Wren: Fighter & Humanitarian Speaker Demo Reel

Moriba Jah

Astrodynamicist & Space Environmentalist

Moriba Jah, Astrodynamicist | 2022 MacArthur Fellow

Saanya Bhargava

Founder of Remora and Impact Gravitas

Zoe Schlag

Entrepreneur, Investor and Activist

Scott W. Tinker

Director of the Bureau of Economic Geology; State Geologist of Texas; Geosciences Professor at The University of Texas at Austin

Andrew Mangan

Founder, United States Business Council for Sustainable Development

Colin Averill

Ecologist & Climate Change Scientist

Sam Martin

Founder & Chief Content Officer at Martin Content Studios