Dyan deNapoli

Penguin Expert, TED Speaker & Award-Winning Author of "The Great Penguin Rescue"

Tensie Whelan

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

Jon Bergmann

Pioneer of the Flipped Class Movement & Bestselling Author of "Flip Your Classroom"; Member of the TED-Education Advisory Board

Tristram Stuart

Environmental Campaigner, Author & Businessman

Harvey Wasserman

Journalist, Author, Democracy Activist & Advocate for Renewable Energy

Francis Tapon

Author, Harvard MBA, and World Traveler

John Passacantando

Former Executive Director of Greenpeace USA

Chad Pregracke

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

Story Musgrave, M.D.

Retired NASA Astronaut; Physician & Professor at Art Center College of Design

Natalie Kyriacou OAM

Environmental + Social Impact Leader, Australian Top Innovator & Australia’s Top ‘Green’ Voice

Daphne Frias

Climate Change, Disability & Environmental Activist

Tyler Farnham

Author, Sky-Diving Survivor, International Lifeguard Captain, Surfing Coach & Comedian

Jamie Margolin

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

Mark F. Twight

Alpine Mountaineer & Founder of Gym Jones

Jordan Romero

Author & Youngest Person to Climb Mount Everest

Louis-Philippe Loncke

European Adventurer 2016, Explorer, Motivational Speaker, Entrepreneur, Management Consultant

Laurence Winmill

Laurence Winmill is probably one of the most dynamic, radical and creative motivational speakers in the UK today.

Amber Jenkins

Applied Science Engineer, NASA’s Jet Propulsion Laboratory; Editor, NASA Climate Change Website

Leilani Munter

Professional Race Car Driver & Environmental Activist

Scott Waddle

Commanding Officer of USS Greeneville (SSN 772) & Author of "The Right Thing"

Rene Mijnders

The most successful Dutch rowing coach ever.

James E. Hansen

Adjunct Professor Directing the Program on Climate Science, Awareness and Solutions of the Earth Institute at Columbia University; Former Director at NASA Goddard Institute for Space Studies

Michael Pantalon, Ph.D.

Senior Research Scientist in Emergency Medicine at Yale University; Clinical Psychologist and Expert on Influence

Science, Drugs & Rock ‘n Roll | Michael Pantalon | TEDxYale

Hal Blackwell

Hal Blackwell is the bestselling author of “Secrets of the Skim”

Holden Thorp

Chemist & Washington University in St. Louis Professor; Inventor & Entrepreneur

Stephanie Coontz

Director of Research & Public Education for the Council on Contemporary Families; Marriage & Family Historian

Stephanie Coontz - 2020 Evergreen State College Commencement Address

Alexandra Daisy Ginsberg

Artist, Designer & Writer

Gregory D. Archbold

Physical Security Specialist, Security Director for the U.S Army & Leadership Consultant

Jeffrey S. Buchanan

Retired Lieutenant General for the U.S. Army; Chief Learning Officer at Entrustment Health

Gary Quesenberry

Retired Federal Air Marshal, Author & Personal Defense Training Specialist