Amy Van Dyken-Rouen

Six-Time Olympic Gold Medalist Swimmer

Al Roker

Co-Host NBC Today Show Media Entrepreneur, Author

Nicholas Christakis

Sol Goldman Family Professor of Social & Natural Science; Director of the Human Nature Lab; Co-Director of the Yale Institute for Network Science

Craig Venter

Founder & CEO of Synthetic Genomics Inc.

Dr. Jerome Groopman

Physician, Author, Anatomy of Hope, How Doctors Think. Your Medical Mind

John Zogby

Trendspotter & Leading Pollster

Lucy Liu

Actress, Model, Artist, Film Producer & Director

Chip Wilson

Founder and Chairman of the Board Lululemon

Kristen Johnston

Emmy Award Winning Actress; Best Known for "3rd Rock From The Sun"

Sarah Silverman

Stand-Up Comedian, Actress, Singer, Producer & Writer

Shaun Robinson

Former Co-Host of Access Hollywood; Advocate for Young Women & Founder of "One Girl: A Million Ways to Make a Difference"

Alonzo Mourning

Naismith Memorial Basketball Hall of Fame Inductee; Co-Founder of Mourning Family Foundation

Diane Keaton

Academy Award-Winning Actress & Author

Marianne Williamson

Renowned Authority on Spirituality & Metaphysics; Author of "Everyday Grace;" 2024 Democratic Presidential Candidate

James Earl Jones

Voice Actor Known for Playing Mufasa in "The Lion King" & Darth Vader in "Star Wars"

Chris Matthews

Former Host, Hardball with Chris Matthews, MSNBC

Kathleen Turner

Actress & Civil Liberties Activist

Anna Kournikova

International Tennis Icon, Health & Fitness Advocate, Former World #1 Doubles Player and #8 Singles Player; Former Co-Host on NBC’s “The Biggest” Loser (2011), Named to the Forbes “Power 100” in 2000

Tracy Anderson

Fitness Pioneer, Entrepreneur & Author, Founder of The Tracy Anderson Method

Tracy Anderson shares moves to work your whole body

Shaun White

Retired Professional Snowboarder & Skateboarder, Olympic Gold Medalist & Musician