Aidan Gallagher

Actor, Musician & UN Environment Goodwill Program Ambassador; Known for "The Umbrella Academy"

Aidan Gallagher On 'The Umbrella Academy' and His Music | Seventeen

Quannah Chasinghorse

Indigenous Activist & Model

Quannah ChasingHorse on Representation, Climate Exploitation

Michael Liebreich

Chairman & CEO of Liebreich Associates

Alok Sharma

British Politician Serving as President for COP26 and Minister of State at the Cabinet Office

Jerome Foster

White House Environmental Justice Advisory Council Member & Executive Director of OneMillionOfUs

William Nordhaus

Nobel Prize Winner; Sterling Professor of Economics & Professor, School of Forestry and Environmental Studies at Yale

Marcus Scribner

Two-Time NAACP Image Award-Winning Actor Known for ABC's "Black-ish" & Founder of Scribner Productions

Rose Marcario

Former President and CEO of Patagonia; Partner at ReGen Ventures

Nikolaj Coster-Waldau

Actor Known for his Role as Jamie Lannister on HBO's "Game of Thrones"

Brian Deese

Former Director of the National Economic Council in the Biden Administration; Institute Innovation Fellow at MIT

Inflation core is too high: White House economist Brian Deese ...

Christiana Figueres

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

Dennis Dimick

Former Executive Environment Editor at National Geographic Magazine

James Cameron

Chair of Crown Agents; Former Chairman of Overseas Development Institute

Michael Spence

Nobel Prize Winning Economist & Commissioner for the Global Commission on Internet Governance; Holds Dual Professorship with New York University & Stanford University

Matt Damon

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

Leonardo DiCaprio

Award-Winning Actor & Environmentalist

Gary White

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

Mark Ruffalo

Actor, Director, Producer, Screenwriter & Environmental Activist

Don Cheadle

Actor, Activist & Author; Known for "Iron Man 2" & "Hotel Rwanda"

Ian Somerhalder

Actor Known for "The Vampire Diaries"; Animal & Environmental Advocate; Founder of The Ian Somerhalder Foundation