Vinny Guadagnino

Reality TV Personality, Author & Actor, Known for "Jersey Shore"

Elizabeth Vargas

Emmy Award-Winning Journalist; Best-Selling Author; Anchor for NewsNation

Josh Capon

Chef & Host of Spike TV's "Frankenfood"

Dr. Myron Rolle

Former NFL Player, Neurosurgeon & Rhodes Scholar

Vanna White

Television Personality; Best Known as the Hostess on "Wheel of Fortune"

Jay Williams

Former NBA Player; CEO of Rising Stars Youth Foundation; ESPN Analyst

Matt Leinart

FOX Sports 1 College Football Analyst; Former American Football Quarterback

Thomas Dimitroff

Former NFL Executive & CEO of the Football Analytics Company, SumerSports

Nancy Andreasen

Neuroscientist; Andrew H. Woods Chair of Psychiatry and Director, Iowa Neuroimaging Consortium, University of Iowa

Greg Olsen

Former NFL Tight End, Football Sportscaster & Founder of Receptions for Research: The Greg Olsen Foundation

Brian Kelly

Head Football Coach at Louisiana State University

Brian Kelly's First Team Meeting as LSU Football Coach

Kareem Abdul-Jabbar

Highest-Scoring NBA Player in History & Cancer Survivor

A Season on the Reservation: My Soujourn With the White Mountain Apaches

Joe Piscopo

American Comedian and Actor

Emily Oster

Professor of Economics at Brown University; Author on Personal Finance & Family Planning

Andy Puddicombe

Co-Founder of Headspace

James Park

CEO & Co-founder of Fitbit

Jamie-Lynn Sigler

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

Judith Reichman

Women’s Health Expert, Physician Correspondent for the Today Show, and Bestselling Author

George Mumford

Former College Basketball Player & Mindfulness Coach

Colton Haynes

Actor; Best Known for "Teen Wolf" & "Arrow"