Stephan Jenkins

Lead Singer of the Band "Third Eye Blind"

Clyde Drexler

NBA Hall of Famer; FSN Houston Broadcaster; Commissioner of the Big3 League

Tim Brown

Executive Chair, IDEO

Dr. Henry Cloud

Clinical Psychologist & Bestselling Author of "Boundaries"

David Blaine

Magician, Illusionist and Endurance Artist

Sylvester Stallone

Actor, Screenwriter and Film Director

Nick Carter

Member of the Pop Group The Backstreet Boys; Contestant on Dancing With The Stars Season 21

Nick Carter Reflects on Loss of Brother Aaron as He Returns to Music Career

Jim Belushi

Actor, Comedian & Musician

Ann Curry

Anchor of "Chasing the Cure;" Former NBC Today Anchor, National & International Correspondent; Former Dateline Anchor

Dexter Holland

Lead Vocalist & Founding Member of the Punk Rock Band The Offspring; PhD in Molecular Biology

Dr. John Boockvar

Vice Chair of the Department of Neurosurgery at Lenox Hill Hospital & Director of the Department’s Brain Tumor Center; Featured on Netflix's "Lenox Hill"

Makaziwe Mandela

Daughter of Nelson Mandela & Director of the House of Mandela Family Foundation

Jennie Garth

Television Actress & Advocate for the American Heart Association

Shania Twain

Grammy-Winning Canadian Singer; Best-Selling Female Country Pop Artist

Kevin James

Comedian & Actor, Known for "The King of Queens" & "Grown Ups"

Kevin James Reacts to His Viral The King of Queens Meme

Lionel Richie

Singer, Entertainer, Composer, Producer & Humanitarian; Founder of The Lionel Richie Foundation; Judge on "American Idol"

Sean Elliott

Former NBA All-Star Forward & NBA Analyst; National Kidney Foundation Spokesperson

Sean Elliott on NBA Career, Broadcasting, Spurs Dynasty & Arizona Hoops

Katrina Scott

Co-Creator of ToneItUp

Melanie Griffith

American Actress and Producer

David Bloom

Professor of Economics & Demography at the Harvard School of Public Health