Danny Trejo

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

Michael Shellenberger

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

Kesha

Pop Singer Known For "Tik Tok," "Your Love Is My Drug" & "Praying"

Christiana Figueres

Expert on Global Climate Change; Former Executive Secretary of the UN Framework Convention on Climate Change

Hayden Panettiere

Actress Known for "Nashville" & "Heroes" & Animal Rights Activist

Bindi Irwin

Wildlife Conservationist & Daughter of Steve Irwin; Season 21 Contestant on "Dancing With the Stars"

Pamela Anderson

Actress, Model, Producer & Animal Rights Advocate

Portia de Rossi

Actress, Known for"Ally McBeal" & "Arrested Development."

Lisa Edelstein

Actress, Director, Writer & Producer

Dennis Dimick

Former Executive Environment Editor at National Geographic Magazine

Maggie Q

TV & Film Actress, Known for Lead Role in CW's "Nikita"

Tony Juniper

Writer, Sustainability Advisor, & Environmentalist

Joel Sartore

National Geographic Photographer & Author

Mena Suvari

Actress Known for "American Beauty" & Author of "The Great Peace: A Memoir"

Leona Lewis

Singer, Songwriter & Animal Welfare Activist; Best Known for "Bleeding Love"

Denise Richards

Actress, Former Fashion Model & Reality Star on Bravo's "The Real Housewives of Beverly Hills"

Jason Biggs

Actor Known For His Roles in the "American Pie" Series and on "Orange Is The New Black" Among Others

Neko Case

Neko Case is an American singer-songwriter, best known for her solo career and her contributions as a member of the Canadian indie rock group The New Pornographers

Yao Ming

President of Chinese Basketball Association, NBA Hall-of-Famer & Founder of the Yao Family Wines

Yao Ming's 2016 Hall of Fame Induction Speech

Wade Boggs

National Baseball Hall of Famer, 12-Time MLB All-Star & World Series Champion; Wildlife Conservation Activist