Dr. Douglas Vakoch

Founder & President of METI—Messaging Extraterrestrial Intelligence

Amy Harder

Climate Change Journalist & Vice President of Breakthrough Energy Publishing

Bruce Friedrich

Founder & CEO of The Good Food Institute

Kelsey Skaggs

Co-Founder of the Climate Defense Project

Jacinda Ardern

Former Prime Minister of New Zealand

New Zealand Prime Minister Jacinda Ardern | Harvard ...

Nina Fedoroff

Professor of Biology at Penn State

Amin Toufani

CEO of T Labs, Creator of Adaptability.org, Chair for Finance & Economics at Singularity University

Michael Shellenberger

Founder & President of Environmental Progress; Expert on Energy, Climate, Security, Human Development and Politics

Ric O'Barry

Environmental & Animal Activist, Author, Founder of the Dolphin Project; Star of the Academy Award-Winning Documentary "The Cove"

The Cove Wins Documentary Feature: 2010 Oscars

Tzeporah Berman

International Program Director of Stand.earth, Chair at Fossil Fuel Non-Proliferation Treaty & Author of "This Crazy Time: Living Our Environmental Challenge"

George Monbiot

Investigative Journalist, Known for his Environmental & Political Activism

The Age of Consent

Michael Lombardi

Author & Environmentalist

Dr. Paul Sullivan

Professor of Economics at National Defense University

Tom Rand

Author of Kick the Fossil Fuel Habit: 10 Clean Technologies to Save Our World.

Ron Finley

Grower of a Nourishing Food Culture in South Central L.A.’s Food Desert

Christiana Figueres

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

Naomi Oreskes

Geologist & Earth Science Historian

The Big Myth: How American Business Taught Us to Loathe Government and Love the Free Ma...

Steve Goreham

Engineer, Author & Authority on Environmental and Energy Issues

Ayana Elizabeth Johnson

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

Michael Nichols

Journalist, Photographer & Founder of the LOOK3 Festival of the Photograph