Sylvia Acevedo

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

How Sylvia Acevedo Defied Barriers to Become Girl Scout CEO

Erin Brockovich

Consumer Advocate, Author, TV Host & Environmental Activist

Alexandra Cousteau

Environmental Activist, Storyteller & Ocean Advocate

Danny Trejo

Actor, Author, Activist & Restaurateur; Recovery & Intervention Counselor for Troubled Youth

Sophia Bush

Actress, Humanitarian & Author

Tim Gunn

Fashion Icon, Former Co-Host & Mentor of "Project Runway"

Doc Hendley

Global Humanitarian, Clean Water Crusader, Top 10 CNN Hero, Sustainability Advocate

Robert Ballard

Renowned Ocean Explorer & Scientist

Jillian Michaels

Leading Fitness Expert, Certified Nutritionist, Renowned Life Coach & Powerful Entrepreneur

Michael Shellenberger

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

Joan Michelson

Co-Host of the Electric Ladies Podcast, ESG Consultant, Business Sustainability & Leadership Expert

Tamron Hall

Award-Winning Journalist; Former National News Anchor for NBC News; Host of the "Tamron Hall Show"

Watch Where They Hide

David Suzuki

Environmentalist & Scientist; Co-Founder of the David Suzuki Foundation

Leland Melvin

Engineer, Former NASA Astronaut & Former NFL Wide Receiver

Dr. Jonathan Foley

World Leading Climate Scientist & Executive Director of Project Drawdown

Gary White

CEO & Co-Founder of WaterEquity & Water.org with Matt Damon

Daniel Esty

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

Alyssa Milano

Actress, Author, Philanthropist & Founder of Touch by Alyssa Milano; Known for "Charmed" and "Who's the Boss"

Alan Cumming

Emmy-Winning Actor Who Stars in "The Good Wife"

Jack Hanna

Naturalist, Adventurer & Director Emeritus of the Columbus Zoo