Angel Hsu

Assistant Professor at the University of North Carolina-Chapel Hill & Founder/Director of the Data-Driven EnviroPolicy Lab

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.

Jonathan Trent

Former Director of Offshore Membrane Enclosures for Growing Algae; Founder of UpCycle Systems

Chad Pregracke

Founder of Living Lands & Waters, CNN's Hero of the Year for 2013, Environmental Speaker & Bestselling Author

Andrew Behar

CEO of As You Sow

Marcelo Mena Carrasco

Former Environment Minister of Chile

Tim Flannery

Environmentalist, Explorer & Author

Martin Keller

Director of National Renewable Energy Laboratory & President of Alliance for Sustainable Energy

Cameron Hepburn

Professor of Environmental Economics & Director of the Smith School of Enterprise & the Environment at the University of Oxford

Bob Kopp

Climate Scientist, Geobiologist & Climate Policy Scholar at Rutgers University

Dallas Goldtooth

Keep it in the Ground Organizer for the Indigenous Environmental Network & Co-Founder of the Indigenous Comedy Group

Ellie Symes

Founder & CEO of The Bee Corp

Louise Gray

Freelance Environmentalist Journalist

Xiuhtezcatl Martinez

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

Donna Haraway

Distinguished Professor Emerita in the History of Consciousness Department and Feminist Studies Department at the University of California, Santa Cruz

Sheila Watt-Cloutier

Environmental, Cultural & Human Rights Advocate, Former Canadian President of the Inuit Circumpolar Council

Jennifer Ackerman

Award-Winning Author & Writer

Dr. Sylvia Hood Washington

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

Achim Steiner

Director of the Oxford Martin School; Former Executive Director of the United Nations Environment Programme

Davida Herzl

Co-Founder & CEO, Aclima

Collision Keynote: Davida Herzl

Kartik Chandran

Environmental Engineer & Professor at Columbia University

Andrew Hoffman

Holcim (US) Professor of Sustainable Enterprise at the University of Michigan

Steven Gaines

Dean, Bren School of Environmental Science and Management, University of California Santa Barbara

David Festa

Vice President, Ecosystems, Environmental Defense Fund (Festival Underwriter)

Michael Shellenberger

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

Tristram Stuart

Environmental Campaigner, Author & Businessman

Kent Connaughton

Regional Forester of the USFS Pacific Northwest Region

Cassandra Moseley

Director of the Ecosystem Workforce Program in the Institute for a Sustainable Environment at the University of Oregon

Brian Palik

Team Leader / Research Ecologist for the Center for Research on Ecosystem Change at the USDA Forest Service Northern Research Station

Juan Martinez

Environmentalist & Educator