Aaron Hirschhorn

Co-Founder & CEO at DogVacay

Achmat Hassiem

Shark Attack Survivor, Paralympic Swimmer & Global Shark Guardian

Aditi Mayer

Keynote Speaker on Sustainability, Fashion, Environment & Social Justice

Adrian Grenier

Actor Known for HBO's "Entourage"; Environmental Activist; UN Ambassador

Adrian Seymour

Wildlife Ecologist/ Filmmaker

Adrienne Maloof

Co-owner of Maloof Companies; Star of "The Real Housewives of Beverly Hills"

Air

French Music Duo from Versailles; Best Known for the Acclaimed Albums "Moon Safari" & "The Virgin Suicides"

Aisling Burnand

Chief Executive, Association of Medical Research Charities

Al Rosas

Known as "The Organic Chef" from Daytime on NBC, Leader and Innovator in Sustainable Family Farming

Alan Cumming

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

Aldo Kane

World Record Setting Adventurer; Fellow at the Royal Geographic Society, Author & TV Presenter

Alejandro Durán

Artist Who Collects Trash From the Oceans and Turns It Into Disquieting Works of Art

Alejandro Sánchez Alvarado

Developmental and Regeneration Biologist

Alex Honnold

Professional Rock Climber & Star of the Academy-Award Winning Documentary "Free Solo"

Alex Schulze

Co-Founder & CEO of 4ocean; Advocate for Ocean Cleanup, Conservation & Sustainability

Conversation with Alex Schulze, CEO and Co-Founder of 4ocean

Alexandra Cousteau

Environmental Activist, Storyteller & Ocean Advocate

Alexandra Fuller

Award-Winning Author of "Don't Let's Go to the Dogs Tonight" & "Leaving Before the Rains Come"

Alexandra Horowitz

Professor of Psychology, Animal Behavior, and Canine Cognition; Bestselling Author of "Inside of a Dog: What Dogs See, Smell and Know"

Alexandra Paul

"Baywatch" and Lifetime movie star, television host, activist and environmentalist

Alfonso Ribeiro

Host of America’s Funniest Home Videos, Actor, TV Director, Award-Winning Dancer & Broadway Star