Selenis Leyva

Cuban-American Actress Known for Her Role as Gloria in "Orange is the New Black"

Ric O'Barry

Wildlife Activist, Author & Founder of the Dolphin Project; Star of the Academy Award-Winning Documentary "The Cove"

Dr. Jan Pol

Veterinarian; Star of Nat Geo Wild's "The Incredible Dr. Pol"

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

Boyd Varty

Author of "Cathedral of the Wild," Speaker & Conservationist at Londolozi Game Reserve

Linda Eder

American singer and actress. She made her Broadway debut in the musical Jekyll & Hyde, for which she received the Theatre World Award for Best Actress in a Musical.

Annie Griffiths

Award-Winning Photographer for National Geographic

Dr. Jonathan Foley

World Leading Climate Scientist & Executive Director of Project Drawdown

Louie Psihoyos

Photographer & Documentary Film Director Known for the Academy Award-Winning Documentary "The Cove"

Doc Hendley

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

Daniella Monet

Actress Best Known for Role in "Victorious", Animal Rights Activist

Richard Kind

Jewish Television Actor Best Known for "Mad About You" and "Spin City"; Currently on FOX's "Gotham"

Mark Bittman

Former NYT Writer; Author of "How to Cook Everything" Series; Host of "Food with Mark Bittman"

Louis Cole

Global Traveler & YouTube Personality

Rick Ridgeway

Environmentalist, Mountaineer, Expedition Author, Former VP of Environmental Initiatives & Special Projects at Patagonia

Ana Marie Cox

Political Columnist, Culture Critic, Mental Health Advocate & “Sober Questioning” Columnist

Julie Scardina

Animal Ambassador at Busch Gardens SeaWorld of California

Cameron Hanes

Outdoorsman & Bowhunter

Sarah Ban Breathnach

Author, Simple Abundance: A Daybook of Comfort and Joy and Something More

Catherine Coleman Flowers

Climate Justice Activist; Founding Director of the Center for Rural Enterprise and Environmental Justice

Catherine Coleman Flowers - Climate Business Innovation Summit