Leonardo DiCaprio

Award-Winning Actor & Environmentalist

Matt Damon

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

Matt Damon & Casey Affleck Have an Epic Conversation | GQ

Brad Pitt

Actor, Producer, Philanthropist & Environmental Activist

Brad Pitt Is Begging You to Speed Up in the Passing Lane | W Magazine

Annie Lennox

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

Mark Ruffalo

Golden Globe-Winning Actor, Director, Screenwriter & Environmental Activist

Jessica Alba

Actress, Entrepreneur, Founder & Former Chief Creative Officer of The Honest Company; Co-Host of "Honest Renovations" & Bestselling Author of "The Honest Life"

Bill Maher

Political Satirist & Host of HBO's "Real Time"

Gov. Ron DeSantis | Real Time with Bill Maher (HBO)

Sir Richard Branson

Businessman & Founder of Virgin Group

Alanis Morissette

Alt-Rock Angst Icon Known for "You Oughta Know" & "Ironic"

Pink

Singer-Songwriter, Actress, Philanthropist & Environmental Activist

Ryan Reynolds

Producer, Screenwriter, Actor & Entrepreneur; Co-Owner of Welsh Football Club Wrexham A.F.C.

Nico Rosberg

Formula 1 World Champion, Sustainability Entrepreneur & CEO of Rosberg X Racing Raising Awareness for Climate Change and Adoption of EVs

Alexis Ohanian

Co-Founder of Initialized Capital & Co-Founder of Reddit; Entrepreneur, Investor, Activist & Bestselling Author

Harrison Ford

Award-Winning Actor Known for "Star Wars" & "Indiana Jones"

will.i.am

Multi-Faceted Entertainer & Creative Innovator; Education Advocate

Rose Marcario

Former President and CEO of Patagonia; Partner at ReGen Ventures

Jason Momoa

Actor, Director & Environmental Activist; Known for "Game of Thrones" & "Aquaman"

Stella McCartney

Fashion Designer, Founder, Stella McCartney

Olivia Munn

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

Olivia Munn on Jon Stewart | 2022 Mark Twain Prize

Pierce Brosnan

Actor, Producer & Activist; Best Known for His Role as James Bond