- Liz McCreary (Apple Podcasts)
- Dr. Raj Raghunathan, bestselling author of If You're So Smart, Why Aren't You Happy?
- Shawn Achor, New York Times Bestselling author of The Happiness Advantage and Big Potential
- Tanith Carey, psychology author of Feeling ‘Blah’? Why Anhedonia Has Left You Joyless and How to Recapture Life’s Highs