Alice Waters

Executive Chef, Founder & Owner of Chez Panisse; Sustainable Agriculture Advocate

Andre Agassi

Retired World No. 1 Tennis Player & International Tennis Hall of Famer; Olympic Gold Medalist, Entrepreneur & Philanthropist

Andrea Mitchell

Host of MSNBC’s "Andrea Mitchell Reports" & Chief Foreign Affairs Correspondent for NBC News

Andrea Mitchell - Celebrating 15 years of "Andrea Mitchell Reports"

Andrew Zimmern

Four-Time James Beard Award-Winning TV Personality, Chef, Writer & Teacher

Anne Wojcicki

Co-Founder & CEO of 23andMe

Bert Jacobs

Co-Founder & Chief Executive Optimist of Life is Good

Biz Stone

Co-Founder of Twitter

Bret Michaels

Singer-Songwriter, Musician & Reality Television Personality

Brett King

Best-Selling Author, World Renowned Futurist & Media Personality

Charlie Rose

Anchor and Executive Editor

Christy Turlington Burns

Model & Founder of Every Mother Counts; Anti-Smoking Activist

Dan Abrams

Chief Legal Affairs Anchor at ABC News & Founder of Abrams Media

Dan Ariely

Behavioral Economist; Professor at Duke University; Author; Founding Member of The Center for Advanced Hindsight

Deborah Norville

Two-Time Emmy Award-Winning Journalist; Anchor of "Inside Edition" & Best-Selling Author

Deepak Chopra

Co-Founder of The Chopra Center for Wellbeing

Diana Nyad

World Champion Swimmer, Storyteller, Sports Journalist & Broadcaster

Gabrielle Bernstein

Founder of HerFuture.com & New-York Times Best-Selling Author

Gretchen Rubin

New York Times Best-Selling Author of "The Happiness Project;" Host of Podcast "Happier with Gretchen Rubin"

Gretchen Rubin - Knowing Yourself: Why You're Happy and You ...

Hoda Kotb

Award-Winning Broadcast Journalist, Television Personality, Author & Co-Anchor of NBC News' TODAY

Hugh Evans

Humanitarian; Founder & CEO of Global Poverty Project