Pranav Mistry

Computer Scientist & Inventor

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

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

Paula Abdul

American Singer-Songwriter, Dancer, Choreographer & TV Personality

Jalen Rose

Former ESPN Analyst & NBA Player

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

Buddy Valastro

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

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

Ziauddin Yousafzai

Co-Founder of the Malala Fund