Shawn Achor

Harvard Professor, Happiness Researcher, Positive Psychology Expert, Author of "The Happiness Advantage" & "Big Potential"

Charles Duhigg

Pulitzer Prize-Winning Journalist & Bestselling Author of "The Power of Habit"

The Science Behind Dramatically Better Conversations | Charles Duhigg | TED

Nir Eyal

Bestselling Author, Behavioral Design Expert, Entrepreneur

Rich Froning

CrossFit Athlete, Coach & Christian Speaker

Dara Torres

12x Olympic Medalist, NYT Bestselling Author, Entrepreneur & Healthcare Reform Advocate

Daphne Oz

Emmy Award-winning Television Host, New York Times Bestselling Author, Chef & Entrepreneur

Carson Kressley

TV Personality & Fashion Designer; Best Known for "Queer Eye for the Straight Guy"

Giuliana Rancic

Entertainment Journalist & Breast Cancer Survivor

Kate White

Bestselling Author, Former Cosmopolitan Editor-in-Chief, Suspense Novelist

Amy Robach

Co-Host of "Amy & T.J. Podcast"; Former Co-Host of "20/20" & Former ABC News Correspondent for "Good Morning America;" Breast Cancer Survivor

David Zinczenko

Founder & CEO of Galvanized; Former Vice President of Men's Health, Women's Health & Prevention; Retired Nutrition & Wellness Editor at ABC News

Jaslene Gonzalez

Puerto Rican-American TV Host, Winner of America's Next Top Model Cycle 8 & Founder of "On Set with Jaslene"

Tim Gunn

Fashion Icon, Former Co-Host & Mentor of "Project Runway"

Jan Ping

Breast Cancer Survivor, Emmy Award-Winning Hair & Makeup Artist