Josh Hamilton

Former Outfielder for the Texas Rangers; 5-Time MLB All-Star & Recovering Substance Abuser

Melissa Etheridge

Grammy Award-Winning Singer-Songwriter, LGBTQ+ Activist & Breast Cancer Survivor

Russell Brand

Comedian, Actor, Radio Host, Author & Activist

Damon Wayans, Sr.

Actor & Comedian

Bob Arnot

Medical and Foreign Correspondent and Best-Selling

Bob Greene

Exercise Guru & Best-Selling Author

Martin Seligman

Zellerbach Family Professor of Psychology & Director of the Positive Psychology Center at the University of Pennsylvania

Tomorrowmind: Thriving at Work with Resilience, Creativity, and Connection―Now and in a...

Bill Walton

Executive Chairman of Connect SD Sport Innovators (SDSI)

Mark Allen

Six-Time Ironman Triathlon World Champion

Amy Smart

Actress, Environmentalist & Co-Founder of Smart House Collections

Cybill Shepherd

Award-Winning Actress; Best Known for "Taxi" & "The Last Picture Show"

Bakari Sellers

Author, Attorney, Political Commentator & Youngest African American Elected Official in the U.S.

Jonathan Bush

Technology Entrepreneur; Co-Founder & Former CEO of athenahealth

Blair Underwood

Award-Winning Actor & Producer

Molly Sims

Actress, Model & Lifestyle Expert; Environmental & Ocean Activist

Tionne Watkins

Grammy Award-Winning Singer Known as "T-Boz;" Sickle Cell Anemia Advocate & Brain Tumor Survivor

Rudolph E. Tanzi

Alzheimer's Disease Researcher; Expert on the Genetics of Neurological Disease; Professor of Neurology at Harvard Medical School

John C. McGinley

Actor, Author & Former Comedian; Advocate for Down Syndrome Awareness; Best Known for "Scrubs"

Carly Simon

Singer-Songwriter & Author; Known for "You're So Vain"

Bob Newhart

Stand-Up Comedian & Actor, Known for "The Bob Newhart Show" and "Newhart"