Michael McGrady

Motivational Speaker, Theater, Film & Television Actor; Best Known for "Ray Donovan"

Kevin Sorbo

International TV & Film Actor; Stroke Survivor; Author of "True Strength"

Maya Adam, MD

Director of Health Media Innovation & Clinical Assistant Professor in the Department of Pediatrics at Stanford School of Medicine

Akbar Gbajabiamila

Inspirational Former NFL Player & Broadcaster; Host of American Ninja Warrior & Co-Host of The Talk

Emily Oster

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

Lea Thompson

Actress, Director & Producer Known for "Back to the Future" Films and "Switched at Birth"; Alzheimer's Awareness Advocate

Alisha Boe

Actress, Known for "13 Reasons Why"

Ronnie Milsap

Grammy-Winning Country Legend

Carl Lewis

9-Time Olympic Gold Medalist in Track & Field; Founder of The Carl Lewis Foundation

Troian Bellisario

Stars as Spencer Hastings in the ABC Family Series "Pretty Little Liars"

Maura Tierney

Golden Globe Award-Winning Actress & Breast Cancer Survivor

Jim Kelly

Pro Football Hall of Fame Member & Radio Host of “Under The Helmet With Jim Kelly”

Matt Leinart

FOX Sports 1 College Football Analyst; Former American Football Quarterback

Shelley Long

Golden Globe & Emmy Award-winning Actress; Known for Her Role as Diane Chambers on "Cheers"

Shirley MacLaine

Academy Award-Winning Actress & Author

John Tesh

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

John Tesh Music - YouTube

Susan Lucci

Iconic Day-time TV Actress, Entrepreneur & Humanitarian

Jason Priestley

Canadian-American Actor & Director Best Known for "Beverly Hill, 90210"

Brian Wansink

Director, Cornell Food and Brand Lab Author, Mindless Eating

Judith Light

Award Winning Actress & Activist