Creator	Role
Dr. Patrick McGrath Dr. Patrick McGrath is a licensed clinical psychologist, and chief clinical officer at NOCD.	Host
Mark Freeman	Guest
Dr. Fred Penzel Dr. Fred Penzel is a psychologist and Executive Director of Western Suffolk Psychological Services.	Guest
Dr. Roberto Olivardia Dr. Roberto Olivardia is a Clinical Instructor of Psychology at Harvard Medical School.	Guest
Donald Robertson Donald Robertson is the author of six books including How to Think Like a Roman Emperor: The Stoic Philosophy of Marcus Aurelius. He is a cognitive-behavioural psychotherapist, writer, and trainer, specializing in the relationship between philosophy, psychology, and self-improvement.	Guest