KEYNOTE SPEAKERS

Actor Known for "The Vampire Diaries;" Animal & Environmental Advocate; Founder of The Ian Somerhalder Foundation

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

Engineer & Rocket Scientist; Cybersecurity Expert; Corporate Director for Qualcomm; Former CEO of Girl Scouts USA

Award-winning Filmmaker, Photographer, Entrepreneur & Climate Change Activist

Climate Displacement, Migration & Refugee Expert; Founder of Climate Refugees

Josiah Meigs Professor of Environmental Education & Nature TV Host

Actor, Activist & Author; Known for "Iron Man 2" & "Hotel Rwanda"

Climate Change Activist; Author; Founder & Co-Executive Director of Youth-Led Climate Action Group "Zero Hour"

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

Actress, Activist & Humanitarian

CEO of REFORM Alliance, CNN host, Emmy Award-winning Producer & NY Times Best-Selling Author

Filmmaker & Director Known for "Black Swan" & "The Wrestler"

Actor, Education Activist, Green Living Advocate & Entrepreneur

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

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

Lead for Sustainability at Google & Former Chief Sustainability Officer for the Obama Administration

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

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

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

Environmental Engineer & Associate Professor at Columbia University