Devita Davison

Executive Director of FoodLab Detroit, Food Justice, Community Representation & Sustainability Advocate

Alice Waters

Executive Chef, Founder & Owner of Chez Panisse; Sustainable Agriculture Advocate

Winona LaDuke

Executive Director of Honor the Earth

Jasmine Crowe-Houston

Founder & CEO at Goodr Co.

Amali Tower

Climate Displacement, Migration & Refugee Expert; Founder of Climate Refugees

Q&A: Amali Tower on Climate Migration and 'Evolution Earth'

Robyn O’Brien

TEDx Speaker, Food Industry Advisor, Former Financial Analyst & Author of "The Unhealthy Truth"

Van Jones

CEO of REFORM Alliance, CNN host, Emmy Award-winning Producer & NY Times Best-Selling Author

Thimali Kodikara

Climate Storyteller; Host of "Mothers Of Invention" Podcast

Vanessa Garcia Polanco

Food System, Policy & Racial Equity Leader

Winnie Byanyima

Executive Director of UNAIDS and an Under-Secretary-General of the United Nations; Former Executive Director, Oxfam International

Katharine Hayhoe

Atmospheric Scientist, Professor of Political Science & Director of Climate Science Center at Texas Tech, Lead Scientist with The Nature Conservancy

Saving Us: A Climate Scientist's Case for Hope and Healing in a Divided World

Raj Patel

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

Don Cheadle

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

Ashley Judd

Actress, Activist & Humanitarian

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

Aditi Mayer

Keynote Speaker on Sustainability, Fashion, Environment & Social Justice

Doug McMaster

Michelin Starred Chef, Author & Presenter; Creator of Zero Waste Cooking School

Cecilia Martinez

Co-Founder & Executive Director of the Center for Earth, Energy, and Democracy

Wanjira Mathai

Managing Director of Africa & Global Partnerships the the World Resources Institute; Sustainability & Youth Leadership Activist

Jamie Margolin

Climate Change Activist; Author; Founder & Co-Executive Director of Youth-Led Climate Action Group "Zero Hour"

Ethan Brown

Co-Founder & CEO of Beyond Meat & Vegan & Sustainability Advocate

PHA10 Summit: Ethan Brown & Chris Paul

Joanne Chory

Professor & Director of the Plant Molecular & Cellular Biology Laboratory at the Salk Institute; Climate Change Researcher

Xiuhtezcatl Martinez

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

Kiara Nirghin

Co-Founder at Chima; Scientist, Innovator & Author; Winner of the 2016 Google Science Fair

Dr. Sylvia Hood Washington

Chief Environmental Research Scientist at Environmental Health Research Associates, LLC.

Sangu Delle

Entrepreneur, Author, Clean Water Activist, Soros Fellow & TEDGlobal Fellow

Tom Rand

Entrepreneur, Venture Capitalist & Author

Christiana Figueres

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

Dr. Jonathan Foley

World Leading Climate Scientist & Executive Director of Project Drawdown

Daniel Glickman

Former U.S. Secretary of Agriculture; Former Congressman (D-KS); Senior Fellow at the Bipartisan Policy Center