Mark Messier

Former Professional Ice Hockey Player & Six-Time Stanley Cup Winner

Maureen McCormick

Actress & Author Best Known for "The Brady Bunch"

Stacy London

Stylist, Author, Magazine Editor, Known for her role as Co-Host of TLC's "What Not to Wear"

Nastia Liukin

Olympic Gold Medal Gymnast

Matthew Kelly

Internationally-Acclaimed Speaker & Bestselling Author

Nothing Is Random: The Old, The New, and The Enduring Ideas In Business

Garry Kasparov

World Champion Chess Expert & Strategist; Chairman of the Human Rights Foundation based in New York

Jackie Joyner-Kersee

Olympic Legend, Philanthropist, American Record-Holder in the Long Jump & Founder of the Jackie Joyner-Kersee Foundation

Simon T. Bailey

Speaker, Author, Life Coach & Entrepreneur

Dan Ariely

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

Paola Antonelli

Senior Curator at the Museum of Modern Art in the Department of Architecture & Design

Dan Abrams

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

Paula Abdul

American Singer-Songwriter, Dancer, Choreographer & TV Personality

Ty Pennington

Television Personality, Home Makeover Guru & Author

Jalen Rose

Former ESPN Analyst & NBA Player

Picabo Street

Olympic Gold & Silver Medalist, Outstanding Role Model, Corporate Brand Spokesperson, TV Personality, Motivational Speaker, Health & Wellness Activist, Philanthropist

Wilmer Valderrama

Actor, Producer, Activist & Television Personality

Marcus Luttrell

Decorated Navy SEAL & Bestselling Author of "Lone Survivor"

Jenna Bush-Hager

Best-selling Author; Contributing Correspondent, NBC's Today; Chair, UNICEF's Next Generation and Editor-at-Large, Southern Living Magazine

Superpower Sisterhood with Jenna Bush Hager and Barbara Pierce ...

Debra Messing

Emmy Award-Winning Actress & Global Ambassador for PSI/Youth AIDS

Jeremy Rifkin

Leading Global Technologist, Futurist, Authority on World Economic & Environmental Trends

Lisa Oz

Best-Selling Author, Producer, Host & Entrepreneur

Lee Child

New York Times Bestselling Author, Best Known for the "Jack Reacher" Series

Buddy Valastro

Host of "The Cake Boss" & "The Next Great Baker"

Harold Ford, Jr.

Former U.S. Representative & Fox Political Contributor; Co-Host of The Five; Regional President at PNC Bank (NY)

PNC Bank Appoints Harold Ford, Jr. Regional President For New York

Sugar Ray Leonard

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

Kathleen Madigan

Comedian, Podcaster & Host on SIRIUS XM's Blue Collar Radio

Michael Fertik

Founder of Reputation.com, Internet Security Expert & Best-selling Author

Philippe Petit

Motivational Speaker & High Wire Artist

Jeff Taylor

Founder of Monster.com & Eons.com

Ziauddin Yousafzai

Co-Founder of the Malala Fund