Olivia Munn

Television & Film Actress; Known for "Newsroom" & "X-Men: Apocalypse"

Olivia Munn on Jon Stewart | 2022 Mark Twain Prize

John Holdren

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

Catherine Coleman Flowers

Climate Justice Activist; Founding Director of the Center for Rural Enterprise and Environmental Justice

Catherine Coleman Flowers - Climate Business Innovation Summit

Robert Hormats

Vice Chairman of Kissinger Associates Inc.

Jimmy Carter

Former United States President (1977-1981), Author

Cody Adams

Managing Editor of The Floating University.

Bunker Roy

Founder of Barefoot College

Christina Shim

Creator & Global Head of Strategy & Sustainability of IBM Sustainability Software

IBM and Microsoft Talk Sustainable Tech Sponsored By IBM

Aradhana Khowala

CEO & Founder of Aptamind Partners & Advocate for Gender Equality, Diversity and Inclusion; Travel, Tourism & Hospitality Leader

Kimi Werner

Freedive-Spearfishing Champion, Certified Chef & Award-Winning Environmentalist

Francesco Stipo

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

Michael D. Brown

Former Under Secretary of Homeland Security, Director of FEMA, & Talk Show Host

Kate Brandt

Chief Sustainability Officer at Google & Nation's First Federal Chief Sustainability Officer for the Obama Administration

Joseph P. Kennedy II

Former Member of the U.S. House of Representatives & Founder of Citizens Energy Corporation

Peter Thum

Co-Founder & CEO of Muse; Founder of Ethos Water

Lamman Rucker

Actor, Education Activist, Green Living Advocate & Entrepreneur

Christine Dimmick

Breast Cancer Survivor, CEO of The Good Home Company & Author of "Detox your Home"

Anna Dietrich

‎Entrepreneur; Consultant; Speaker; COO & Co-Founder of Terrafugia, Inc.

Gro Harlem Brundtland

Former Director-General, World Health Organization

Agam Pandit

Director of Operations and Managing Partner at ADC Energy, Inc., Entrepreneur & Philanthropist