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

Jasmine Crowe-Houston

Founder & CEO at Goodr Co.

Ayana Elizabeth Johnson

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

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

Dr. Sylvia Hood Washington

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

Ellen DeGeneres

Award-Winning Comedian, TV Host, Actress & LGBTQ Activist

Leslie Dodson

Reporter & Videographer Covering International Finance, Economics, and Politics

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

Adrian Grenier

Actor Known for HBO's "Entourage"; Environmental Activist; UN Ambassador

Kehkashan Basu

Forbes 30 under 30, United Nations Human Rights Champion, National Geographic Young Explorer & Founder-President of Green Hope Foundation

Daniela V. Fernandez

Founder & CEO of Sustainable Ocean Alliance

Paul Snelgrove

Paul Snelgrove led the group that pulled together the findings of the Census of Marine Life -- synthesizing 10 years and 540 expeditions into a book of wonders.

Daniel Pauly

Daniel Pauly is the principal investigator at the Sea Around Us Project, which studies the impact of the world's fisheries on marine ecosystems. The software he's helped develop is used around the world to model and track the ocean.

Ramez Naam

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

Ramez Naam - Exponential Innovation | SingularityU Thailand Summit

Mark Z. Jacobson

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

Bill Nussey

Founder of the Freeing Energy Project; Partner at Tech Square Ventures & Engage

Daniel Esty

Hillhouse Professor of Environmental Law and Policy at Yale Law School, Corporate Environmental Strategy Expert & Co-Author of "Green to Gold"

Michael Archer

Paleontologist Michael Archer is working to bring back his favorite extinct animal: the Tasmanian tiger.

Edie Falco

Actress, Known for "The Sopranos" & "Nurse Jackie"

Douglas McCauley

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

Jarod Miller

Naturalist, Zoologist & Television Host