Tyrese Gibson

R&B Singer, Actor & Author

Jared Padalecki

Actor Best Known for Roles in "Gilmore Girls" and "Supernatural"

Debbie Gibson

Singer-Songwriter and Reality TV Star; "Only In My Dreams"

Terrence Howard

Actor, Musician & Activist; Known for Fox's "Empire"

Heston Blumenthal

Chef; Expert on the Science of Cooking

John Cusack

American Film Actor and Writer; "High Fidelity" and "Being John Malkovich"

José M. Hernández

Former NASA Astronaut, Engineer, Former Candidate for U.S. Congress & Author

Nicole Curtis

Host of DIY's and HGTV's Home Renovation Show, "Rehab Addict"

Glynn Washington

Media Personality, Producer, Host of "Snap Judgment"

Michelle Gielan

Former National CBS News Anchor Turned Positive Psychology Researcher; Bestselling Author of "Broadcasting Happiness"

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...

Tal Ben-Shahar

Best-Selling Author & Positive Psychology Expert

Heather O'Reilly

Two-Time Olympic Gold Medalist; Midfielder, NWSL North Carolina Courage

Manisha Thakor

Financial Wellbeing Consultant & Founder of MoneyZen

Carey Lohrenz

First Female F-14 Fighter Pilot in the U.S. Navy, Team-Building, Leadership & Strategy Expert

Nick Bilton

New York Times Lead Technology Writer

Paul G. Stoltz

Creator of the Adversity Quotient, Expert Speaker on Human and Organizational Performance

Michael Steele

Conservative Political Commentator & Former Republican Party Politician

Gil Friend

President & Chief Executive Officer of Natural Logic

Kristi Yamaguchi

Former Olympic Figure Skater, Olympic Gold Medalist & Celebrity Champion of Dancing with the Stars