Ken Jeong

Physician, Comedian & Actor; Best Known for "The Hangover"

MC Hammer

Hip Hop Recording Artist, Record Producer & Entrepreneur

Tim Tebow

ESPN College Football Analyst; Heisman Trophy Winner; Former Quarterback for NFL's Denver Broncos & Baseball Outfielder for the New York Mets

Seth Rogen

Actor, Comedian, Writer, Producer & Director Known for "Neighbors," "Knocked Up" & "The Green Hornet"; Alzheimer's Awareness Advocate

Keegan-Michael Key

Actor, Producer, Writer & Comedian

Sebastian Maniscalco

Comedian

Don Cheadle

Actor, Activist & Author; Known for "Iron Man 2" & "Hotel Rwanda"

Harry Connick Jr.

Grammy & Emmy Award-Winning Singer

Alfre Woodard

Emmy Award-Winning Actress; Human Rights Activist

Serena Williams

Iconic Professional Tennis Player & Olympic Gold Medalist; Activist, Philanthropist & Entrepreneur

Shaun White

Retired Professional Snowboarder & Skateboarder, Olympic Gold Medalist & Musician

Kurt Warner

Super Bowl Champion Quarterback and Two-Time NFL MVP; Adoption Advocate

Lindsey Vonn

Retired Olympic Skier; Founder of the Lindsey Vonn Foundation

Lindsey Vonn - More Adventures After a Thrilling Career on the Slopes

Patrick Stewart

Actor & Director; Star of the Starz Series 'Blunt Talk'

Martha Stewart

Founder of Martha Stewart Living Omnimedia, Emmy Award-Winning Television Show Host, Entrepreneur & Best-Selling Author

Martha Stewart Interview: Recipe for Entrepreneurial Success

Sarah Silverman

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

Jerry Seinfeld

Comedian, Actor, Writer, & Television/Film Producer

Maya Rudolph

Actress, Comedian & Former SNL Cast Member

Michael Phelps

Retired Professional Swimmer; Most Decorated Olympic Athlete in History

Russell Peters

Canadian Comedian & Actor

Penn and Teller

The Consummate Pairing of Skeptics & Magicians With a Psychotic Twist

John McEnroe

Retired World No. 1 Tennis Player in Singles & Doubles; International Tennis Hall of Famer & Author of "You Cannot Be Serious"

Julia Louis-Dreyfus

Emmy Award-Winning Actress Known For "Seinfeld" & "Veep"

Cyndi Lauper

Grammy Award-Winning Artist, Actress, Television Personality & Activist

Cyndi Lauper and Rob Hyman Break Down Her Iconic Song “Time After Time”

Patti LaBelle

Grammy-Winning Singer & Cookbook Author

Patti LaBelle - Bloomberg Markets

Lisa Kudrow

Actres Best Known for Her Role as Phoebe Buffay in the sitcom, "Friends"

John P. Kotter

Leadership & Change Management Guru

Philip Kotler

International Marketing Professor; Author & Marketing Consultant

Marketing 6.0: The Future is Immersive

Mindy Kaling

Emmy-Nominated Writer, Producer, New York Times Best-Selling Author, Director & Actor

Mindy Kaling Would Love to Be in the Next "Charlie's Angels" with Drew

Tyra Banks

Host & Executive Producer, "Dancing With the Stars"; Model, TV Personality, Host of "America's Next Top Model"