Sylvia Earle

Explorer-in-Residence at National Geographic & Oceanographer; Former Chief Scientist of the NOAA

Alexandra Cousteau

Environmental Activist, Storyteller & Ocean Advocate

Robert Ballard

Renowned Ocean Explorer & Scientist

David Suzuki

Environmentalist & Scientist; Co-Founder of the David Suzuki Foundation

Matt Damon

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

Heidi Cullen

Communications Director for Monterrey Bay Aquarium Research Institute; Climate Scientist

Seth Berkley

Global Health Expert and Epidemiologist; Senior Advisor to Brown University Pandemic Center

Seth Berkley - 3ie Evidence Dialogues Interview Series

Mark Z. Jacobson

Director of the Atmosphere/Energy Program & Professor of Civil and Environmental Engineering at Stanford University

Dr. Tierney Thys

Marine Biologist, Educator & Filmmaker

Dr. Sylvia Hood Washington

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

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

Marla Spivak

Entomologist; Focused on Practical Applications to Protect Honey Bee Populations

Amber Jenkins

Applied Science Engineer, NASA’s Jet Propulsion Laboratory; Editor, NASA Climate Change Website

Ayana Elizabeth Johnson

Marine Biologist, Conservation Strategist, Founder & CEO of Ocean Collectiv

What If We Get It Right?: Visions of Climate Futures

Dennis Dimick

Former Executive Environment Editor at National Geographic Magazine

Jason Clay

Senior Vice President of Food & Markets at WWF

Erin Brockovich

Consumer Advocate, Author, TV Host & Environmental Activist

Ed Begley Jr.

Environmental Activist & Emmy Award-Nominated Actor

Ed Gillespie

Environmental Entrepreneur, Futurist & Author of "Only Planet"

Daniela V. Fernandez

Founder & CEO of Sustainable Ocean Alliance

Jasmine Crowe-Houston

Founder & CEO at Goodr Co.

Douglas McCauley

Professor at UC Santa Barbara, Adjunct Professor at UC Berkeley & Director Benioff Ocean Science Laboratory

Sylvia Acevedo

Engineer, Rocket Scientist & Technology Leader; Inspirational Speaker; Corporate Director at Qualcomm; Former CEO of Girl Scouts USA

How Sylvia Acevedo Defied Barriers to Become Girl Scout CEO

Tensie Whelan

Director of NYU's Center for Sustainable Business; Former President of the Rainforest Alliance

Ramez Naam

Computer Scientist, Science Fiction Author & Co-Chair of Energy & Environment at Singularity University

Ramez Naam - Exponential Innovation | SingularityU Thailand Summit

Annie Griffiths

Award-Winning Photographer for National Geographic

David Doubilet

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

Louie Psihoyos

Photographer & Documentary Film Director Known for the Academy Award-Winning Documentary "The Cove"

Mark Tercek

Former President & CEO of The Nature Conservancy

Bill Gates

Co-Founder of Microsoft; Co-Chair of the Bill & Melinda Gates Foundation