Kevin Nealon

Former Cast Member of 'Saturday Night Live'; Co-Star on Showtime's "Weeds"

Suzy Welch

Best-Selling Author, Popular Television Commentator & Noted Business Journalist

Chef Lala (Laura Diaz)

Celebrity Chef & Nutritionist; Bestselling Author

Marc Summers

Television Host of Food Network's "Unwrapped", Spokesperson for Obsessive Compulsive Disorder, Co-Author of "Everything In Its Place"

Al Roker

Co-Host NBC Today Show Media Entrepreneur, Author

Zosia Mamet

Actress Known for Her Role in HBO's "Girls"

Bob Arnot

Medical and Foreign Correspondent and Best-Selling

Antonia Lofaso

Celebrity Chef Specializing in Italian Cuisine and Stars on "Cutthroat Kitchen" and "Top Chef"

Martin Seligman

Zellerbach Family Professor of Psychology & Director of the Positive Psychology Center at the University of Pennsylvania

Tomorrowmind: Thriving at Work with Resilience, Creativity, and Connection―Now and in a...

James Watson

Molecular Biologist, Geneticist & Zoologist

Colin Egglesfield

Actor, Producer, Entrepreneur & Motivational Speaker; Founder of Shout Out! Shirts & The AgileArtist Movement; Cancer Survivor

Charisma Carpenter

Actress Known for "Buffy the Vampire Slayer" and Host of "Surviving Evil"

Christopher Gavigan

Founder & Chief Product Officer, The Honest Company

Christie Brinkley

Model, Actress, Children's Activist

Ricki Lake

Actress, Producer, Author Host, The Ricki Lake Show

Eric Trump

Executive Vice President of The Trump Organization & Philanthropist

Eric Trump - ReAwaken Tour Branson Sizzle Reel

Joey Lawrence

Actor, Singer & TV Host; Known for his Role in "Melissa & Joey"

Eric Roberts

Actor Known for his Roles in "Runaway Train," "The Dark Knight" and "Heroes"

Chip Wilson

Founder and Chairman of the Board Lululemon

Kimberly Williams-Paisley

Actress, Children's Book Author and Wife of Superstar Country Singer Brad Paisley