Max Levchin

CEO, Affirm; Co-Founder of PayPal

Dan Marino

Pro Football Hall of Famer, Business Owner & Founder of the Dan Marino Foundation for Improving The Lives of Those on the Autism Spectrum

Lisa Randall

Award-Winning Physicist & Author

Dark Matter and the Dinosaurs: The Astounding Interconnectedness of the Universe

Rick Smolan

CEO of Against All Odds Productions, Photographer, Author & Big Data Enthusiast

Jase Robertson

COO of Duck Commander & Star of A&E's "Duck Dynasty"

Deon Cole

Standup comedian famous for his roles on ABC's "Black-ish" and TBS' "Angie Tribeca"

Rick Pitino

Head Coach of St. John's Men's Basketball Team

Tim Hawkins

Christian Youth Pastor, Musician & Comedian

Michael Oher

Founder of Oher Foundation for Disadvantaged Youth; Former NFL Player for Baltimore Ravens, Tennessee Titans & Carolina Panthers; Super Bowl 47 Champion; Story Told in Movie "The Blind Side"

Jamie-Lynn Sigler

Actress Known for "The Sopranos" & "Big Sky" & Co-Host of "MeSsy"; Spokesperson for Eating Disorders & Multiple Sclerosis Survivor

Maura Tierney

Golden Globe Award-Winning Actress & Breast Cancer Survivor

Isaac Mizrahi

Fashion Designer & Former Creative Director of Liz Claiborne

Oscar Arias

Former President of Costa Rica & Nobel Laureate

Oscar Pistorius

"Blade Runner"; Double-Amputee Olympic Sprinter

Jeff Martin

Former Apple Marketing Executive in Digital Strategy; Founder of Tribal Brands and Global Investor

Les Stroud

Star of "Survivorman", Producer, Author, Filmmaker & Activist

Seth Priebatsch

Princeton Drop-out, Founder of Google Ventures Funded SCVNGR

John Tesh

Inspirational Radio Host, Pianist & Composer; Known for His Radio Show "Intelligence for Your Life"

John Tesh Music - YouTube

Judith Light

Award Winning Actress & Activist

Cher Lloyd

Singer, Rapper and Songwriter Known for her Hit Song, "I Want You Back"

Laurence Tribe

Carl M. Loeb University Professor at Harvard Law School & Author

Donald Driver

NFL Super Bowl Champion, Children's Author, "Dancing With the Stars" Winner & Family Man

Richard Engel

NBC News Chief Foreign Correspondent

Kathy Reichs

Bestselling Author, Forensic Anthropologist & Producer of Fox's "Bones"

Colin Mochrie

Former Second City Comic Actor; Star of "Whose Line Is It Anyway?"

Danny Trejo

Actor, Author, Activist & Restaurateur; Recovery & Intervention Counselor for Troubled Youth

Donovan Bailey

Hall of Fame Track & Field Legend

Steven Levy

Technology Journalist & Author

Elizabeth McKee Gore

Co-Founder of Hello Alice; Former Entrepreneur-In-Residence at Dell

Evanna Lynch

Actress Known for her Role as Luna Lovegood in the "Harry Potter" Series