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Previously released as "The Enneagram Book Everyone’s Talking About | A Review and Critique".
Find all our material on Dr. Siegel's Book : HERE
In this episode, Jeff Cook sits down with Danielle Fuller (Scientific Enneagram) for a deep conversation on Dr. Daniel Siegel’s Personality and Wholeness in Therapy—the book many are calling the most important scientific contribution to Enneagram theory in years. Together they unpack the book’s core framework around agency, bonding, certainty, emotional regulation, and developmental pathways while wrestling with both its strengths and frustrations.
Jeff and Danielle explore where Siegel’s work reframes the Enneagram for therapists and skeptics, where the language becomes overly dense, and how neuroscience, polyvagal theory, and personality theory intersect with classic Enneagram ideas. Along the way, they debate whether the book advances the conversation, complicates it unnecessarily, or both at the same time.
This is a theory-heavy discussion for serious students of the Enneagram, psychology, and human development.
