Joe Eszterhas

Screenwriter; Cancer Survivor; Anti-Semitism & Anti-Smoking Activist

Gary Wolf

Co-Founder, Quantified Self; Contributing Editor, WIRED

Jeana Keough

Star of Bravo's "Real Housewives of Orange County"

Frank Lucas

Inspiration for the film "American Gangster"

Patrick J. Michaels

Senior fellow at the Cato Institute & Research Professor of Environmental Sciences at the University of Virginia

Miguel Nicolelis

Leading Neuroscientist At the Nicolelis Laboratory at Duke University

Laurie David

Producer, Activist Author,The Family Dinner: Great Ways To Connect With Your Kids One Meal At A Time

Sea Wolf

Sea Wolf is a band led by Alex Brown Church, an indie folk musician based in Los Angeles, California.

Ray LaMontagne

Ray Lamontagne is a American singer-songwriter.

Joe Hanson

Science Writer, Biologist, Video Producer & Educator

Joel E. Cohen

Mathematical Biologist, Rockefeller University

Hugh Ross

President and founder of Reason to Believe

Angela Merkel

Germany's First Female Chancellor

Mattias Klum

Natural History Photographer, Keynote Speaker & Sustainability Advocate

Tyler Ramsey

Artist; Designer for TOMS Shoes

Cornelia Guest

Cornelia Guest is daughter of American fashion icon CZ Guest and polo champion Winston Frederick Churchill Guest, she's a New York socialite, author, businesswoman, and philanthropist.

Eugene Linden

Eugene Linden has been writing about science, technology, the environment and humanity's relationship with nature in books, articles, and essays for 25 years.

Naughty by Nature

Grammy Award-Winning Rap Group

Peter Chernin

Chairman and CEO, The Chernin Group

Michael Medved

Nationally Syndicated Radio Talk Show Host, Film Critic & Bestselling Author

Michael Medved: God's Hand on America