The Scientific Enneagram is where curiosity, data, and depth meet. In this trailer, host Danielle—an engineer, Enneagram Nine, and lifelong bridge-builder—shares the story behind the show and why she’s obsessed with bringing more nuance and research to the Enneagram space. Drawing on 15 years in the defense sector, a master’s degree in the psychology of mental health from the University of Edinburgh, and a knack for translating “engineer-speak” into human language, Danielle explains how she stumbled into becoming a conduit between science and the Enneagram. She talks about her frustration with rigid, unreliable personality tests, why the Enneagram’s situational and developmental lens felt like home, and how that led to her running informal studies on Enneagram types, neurodivergence, and mental health with thousands of respondents. If you’re hungry for evidence, allergic to oversimplified memes, and committed to a “relentless pursuit of nuance,” this podcast is for you.
Scientific Enneagram
Claim This Podcastby Danielle Fuller
Podcast Overview
The Scientific Enneagram is where curiosity, data, and depth meet. In this trailer, host Danielle—an engineer, Enneagram Nine, and lifelong bridge-builder—shares the story behind the show and why she’s obsessed with bringing more nuance and research to the Enneagram space. Drawing on 15 years in the defense sector, a master’s degree in the psychology of mental health from the University of Edinburgh, and a knack for translating “engineer-speak” into human language, Danielle explains how she stumbled into becoming a conduit between science and the Enneagram. She talks about her frustration with rigid, unreliable personality tests, why the Enneagram’s situational and developmental lens felt like home, and how that led to her running informal studies on Enneagram types, neurodivergence, and mental health with thousands of respondents. If you’re hungry for evidence, allergic to oversimplified memes, and committed to a “relentless pursuit of nuance,” this podcast is for you.
Language
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Publishing Since
12/4/2025
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Recent Episodes
June 7, 2026
Episode 2 | PDP 101: An Intro to Dan Siegel's Patterns of Developmental Pathways Framework
<p>Dan Siegel's Patterns of Developmental Pathways (PDP) framework is one of the first serious attempts to bridge Enneagram ideas with neuroscience, developmental psychology, and clinical practice.</p><p>In this episode, I break down the core concepts behind PDP: temperament vs. adaptive strategies, neuroplasticity, the role of "wholeness" in personality development, and the three pillars of the framework -- Vectors, Attendency, and Emotional Regulation Strategies.</p><p>We'll also explore how PDP maps onto traditional Enneagram types, where it agrees with existing Enneagram theory, where it diverges, and why Dan Siegel prefers talking about patterns rather than fixed personality types. </p><p>If you've heard about PDP but haven't wanted to tackle a 400-page book, this episode is your quick-start guide.</p>
May 23, 2026
The Enneagram Book Everyone’s Talking About | A Review and Critique
<p>Find all our material on Dr. Siegel's Book : <a href="https://www.patreon.com/collection/2059905?view=expanded" rel="noopener noreferrer" target="_blank">HERE</a></p><p></p><p>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.</p><p>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.</p><p>This is a theory-heavy discussion for serious students of the Enneagram, psychology, and human development.</p>
April 12, 2026
Dead Dads and Grief | A Bonus Episode
<p>Connect with Danielle : <a href="https://www.instagram.com/scientificenneagram/" rel="noopener noreferrer" target="_blank">HERE</a></p><p>Connect with Melissa : <a href="https://www.instagram.com/enneagrampaths/" rel="noopener noreferrer" target="_blank">HERE</a></p><p>Danielle returns to the Scientific Enneagram podcast to share the story behind her unexpected absence—her father’s sudden transition to hospice the very day the podcast launched, and his passing shortly after.</p><p>Joined by Melissa Kircher, the conversation moves through grief as it actually unfolds: nonlinear, unpredictable, and often impossible to name. Together, they explore how loss interacts with personality—especially through the lens of the Enneagram—touching on anger, emotional processing, withdrawal, and the tension between intellectualizing and simply feeling.</p><p>More than a discussion of grief, this episode becomes an honoring. Danielle reflects on her father’s life as an engineer, a thinker, and a deeply influential presence who helped shape her love of science and nuance. Through stories, systems, and his unforgettable “11 life axioms,” a portrait emerges of a complex, principled man whose legacy continues to shape her work and voice. This conversation offers both insight and companionship for anyone navigating loss—and a reminder that grief, like love, doesn’t follow a formula.</p><p></p><p></p>
6 total episodes available
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