Xiuhtezcatl Martinez

Indigenous Climate Activist, Hip-Hop Artist, Author & Youth Director of Earth Guardians

Christiana Figueres

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

Marty Metro

Founder & CEO of UsedCardboardBoxes and UCBZeroWaste

William McDonough

Renowned Architectural Designer, Advisor & Co-Author of "Cradle to Cradle + The Upcycle"

Andrew Cohen

Founder, EnlightenNext

Sebastian Copeland

Adventurer, Environmental Activist, Award-Winning Photographer, Author, Lecturer & Founder of the Sedna Foundation

Aisha Williams

Founder & CEO of ImpactVest, Nasdaq ESG Expert Contributor & External ESG Expert at EU Commission

Daphne Frias

Climate Change, Disability & Environmental Activist

Alex Honnold

Professional Rock Climber & Star of the Academy-Award Winning Documentary "Free Solo"

Ian Somerhalder

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

Willie Nelson

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

Jae Rhim Lee

Artist and TED Fellow Jae Rhim Lee Re-Imagines the Relationships Between the Body and the World

Ted Turner

Media Mogul & Philanthropist

Rebecca MacKinnon

Founding Director of Ranking Digital Rights

Bernadette Beck

Founder & CEO of Kindle Coffee & 1 for 1 Foundation; Actress & Journalist Known for "Riverdale"

Mimi Crume Sterling

Communications, ESG & CSR Executive; Non-Profit CEO; Impact Advisor; Board Member

Rick Ridgeway

Environmentalist, Mountaineer, Expedition Author, Former VP of Environmental Initiatives & Special Projects at Patagonia

Lawrence Summers

Professor & Former President of Harvard University; Former Secretary of the Treasury, Director of the National Economic Council, & Chief Economist of the World Bank

David Doubilet

National Geographic Photographer & Founding Member of the International League of Conservation Photographers

Bill Drayton

Social Entrepreneur, Founder & C.E.O of Ashoka. Leading an Everyone a Changemaker world movement.

Caroline Casey

Founder of Kanchi & The Ability Awards

Jeremy Gilley

Actor, Filmmaker & Founder of the Peace One Day Non-Profit

Spencer Wells

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

Amy Brenneman

Actress, perhaps best known for her roles on "NYPD Blue," "Judging Amy," and "Private Practice"

An Phung

Multimedia Journalist

Dan Barber

Multi-Award-Winning Chef, Agronomist, Environmentalist, Author & Co-Owner of New York's Blue Hill Restaurant

Dan Barber - From Seed to Table - Aspen Ideas: Health 2023

Ian Bowles

Environmentalist & Energy Expert; Co-Founder of WindSail Capital Group

Dean Kamen

Founder of FIRST; President of DEKA Research & Development Corporation

Leonardo DiCaprio

Award-Winning Actor & Environmentalist

Peter Orszag

Economist, Vice Chairman of Corporate and Investment Banking at Citigroup, Inc. & Former Director of the Office of Management and Budget in the Obama Administration