Christian Serratos

Actress, Best-known for her Role in the "The Twilight Saga" Series & "The Walking Dead"

Maggie Lawson

American actress who is best known for her role as Juliet O'Hara in the TV show "Psych"

Emmylou Harris

Country Singer-Songwriter; 12-Time Grammy Winner

Steve Winter

Wildlife Photojournalist

Carl Safina

Ecologist & Writer

Aaron Huey

National Geographic Photographer & Stanford School Global Ambassador

Carlton Ward Jr.

Conservation Photographer & National Geographic Explorer; Founder of Florida Wild

Robert William Fischer PhD

Philosophy Professor at Texas State University

Kevin Conway

Actor and director, known for One Life to Live (1968), Invincible (2006) and The Quick and the Dead (1995)

Kristin Davis

Actress Best Known for her Role as Charlotte on "Sex & the City"

Raymond Bonner

Pulitzer Prize-winning investigative reporter and foreign correspondent.

Dominic Monaghan

Actor Best Known for Lost & The Lord of the Rings; Host of Wild Things on BBC America

Dominic Monaghan Returns To “Moriarty” | New York Live TV

Howard G. Buffett

Businessman, Philanthropist & Elder Son of Warren Buffet

Urban Tarzan (John Brennan)

Bronx native — a wild animal relocation specialist who legally changed his name to the bizarre moniker — stars in Spike TV’s newest series, “Urban Tarzan,”

Bo Derek

Film and Television Actress; Known for "10"

Chrissie Hynde

Singer, Songwriter, and Musician; Best Known as the Lead Singer of the Rock Band "The Pretenders"

Niall McCann

TV Presenter, Explorer, Adventurer, Biologist.

Lian Pin Koh

Lian Pin Koh expands conservation efforts by championing the use of low-cost autonomous aerial vehicles.

Hugh Ross

President and founder of Reason to Believe

Danielle Brigida

Passionate about using technology to protect wildlife.