Maureen McCormick

Actress & Author Best Known for "The Brady Bunch"

Jalen Rose

Former ESPN Analyst & NBA Player

Sugar Ray Leonard

Legendary Sports Icon, Olympic Champion and Hall of Famer, Philanthropist, Bestselling Author & Television Personality

Diana Nyad

World Champion Swimmer, Storyteller, Sports Journalist & Broadcaster

Chris Sacca

Google & Twitter Innovation Guru

Jodie Sweetin

Entrepreneur, Actress, Producer & Author

Russell Simmons

Entrepreneur & Philanthropist

Alex Newell

Grammy Award-Winning Actor & Singer Known for "Glee"

Wil Wheaton

Actor, Author & Blogger; Known for "Star Trek: The Next Generation" & "The Big Bang Theory"

Sean Astin

Actor, Director, Voice Artist & Producer Known For "Lord of the Rings"

Mark Spitz

Legendary Olympic Swimmer; Third Athlete to Win Nine Olympic Gold Medals

Mark Spitz on the 1972 Olympic Games in Munich

Paul Orfalea

Founder of Kinko's

Paul Orfalea's Top 10 Rules For Success

Richard Simmons

Fitness Instructor, Actor, Video Producer Known for "Sweatin' to the Oldies" Aerobics Videos

Wendell Pierce

Author and Actor, best known for "The Wire" and HBO's "Treme"