Phillip Hoose

National Book Award Winning Author, Musician, Conservationist

Barbara Terry

Automotive Spokesperson, TV Host, Marketing Expert, Author

David Rosenfelt

Fiction Author & Founder of the Tara Foundation, a Dog Rescue

Rocsi Diaz

Emmy Award-Winning Entertainment Tonight Correspondent; Stars on HLN's "The Daily Share"

Murray SawChuck

Stage Illusionist & Comedian

Murray having some fun with Dean Cain!!!

Ernie Brown, Jr.

Known As "The Turtleman," He Stars on Animal Planet's "Call of the Wildman"

Steve McCurry

World-Renowned National Geographic Photographer; Founder of ImagineAsia

Tristram Stuart

Environmental Campaigner, Author & Businessman

Dan Soder

Stand-Up Comedian; Known for "Trainwreck" and MTV's "Guy Code"

Dina Manzo

Event Planner; Interior Designer; Cast Member of The Real Housewives of New Jersey

Zack Heart

Australian TV Personality, Wildlife Specialist & Conservationist, Zack Heart aka Outback Zack

Booboo Stewart

Actor Best Known for Playing Seth in "The Twilight Saga" & Warpath in "X-Men: Days of Futures Past"

Daniella Alonso

Television Actress and Model; Known for "Friday Night Lights"

Will Allen

Pioneer in the Urban Farming Movement, Author & Founder of Growing Power

David Doubilet

National Geographic Photographer & Founding Member of the International League of Conservation Photographers

Heidi Cullen

Communications Director for Monterrey Bay Aquarium Research Institute; Climate Scientist

Dyan deNapoli

Penguin Expert, TED Speaker & Award-Winning Author of "The Great Penguin Rescue"

Ron Broussard

Author, Founder & CEO of STRETCH YOURSELF

Autumn Reeser

Known for her Roles in "The O.C.," "Entourage," "Necessary Roughness" & "Hawaii 5-0"

Ashley Madekwe

Actress & Personal Style Blogger ; Best known for her role on ABC's "Revenge"