Tom Colicchio

Chef & Owner of Crafted Hospitality

James Cameron

Filmmaker, Artist, Environmentalist

Bono

Lead Singer of U2, Activist & Co-Founder of DATA (Debt, AIDS, Trade, Africa)

Pattie Gonia

Queer Environmentalist; Drag Queen Building Community for Queer People, Allies & the Planet

Bryce Langston

Host of "Living Big In A Tiny House;" Author, Filmmaker, and Environmentalist

Kehkashan Basu

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

Andrew Behar

CEO of As You Sow

Ed Gillespie

Environmental Entrepreneur, Futurist & Author of "Only Planet"

Henry Gordon-Smith

Founder & CEO of Agritecture, Sustainability Consultant & AgTech Advisor

Livia Firth

Co-Founder & Creative Director of Eco-Age

Terry Odendahl

President and Chief Executive, Global Greengrants Fund

Peter Haas

Associate Director of the Brown University Humanity Centered Robotics Initiative

Sylvia Acevedo

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

Tracy Metro

Designer & Presenter on House Doctor

Jennifer Ackerman

Award-Winning Author & Writer

Dr. Sylvia Hood Washington

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

Davida Herzl

Co-Founder & CEO, Aclima

Collision Keynote: Davida Herzl

Tony Juniper

Writer, Sustainability Advisor, & Environmentalist

Gary Snyder

Poet, Essayist, Lecturer and Environmental Activist

Keith Colburn

Safety & Sustainable Fisheries Advocate; Captain of The Wizard on Discovery Channel's "Deadliest Catch"

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

Bindi Irwin

Wildlife Conservationist & Daughter of Steve Irwin; Season 21 Contestant on "Dancing With the Stars"

Mike Falzone

YouTube Sensation and Author of "Never Stop Shutting Up"

Mamrie Hart

Host of the YouTube Show "You Deserve A Drink"

Tensie Whelan

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

Matthew Kahn

Professor of Economics, UCLA Institute of the Environment

Kimbal Musk

Chef, Restaurateur & Philanthropist

Zack Bogue

Co-Founder of DCVC; Environmentalist & Nuclear Energy Advocate

Annie Leonard

American Proponent of Sustainability and a Critic of Excessive Consumerism

Patricia Arquette

Academy Award-Winning Actress, Activist, Humanitarian & Author