Shawn Horn

Shawn Horn, PsyD, is a licensed clinical psychologist in private practice in Spokane, Washington, specializing in adult ADHD, emotion regulation, DBT, and polyvagal-informed treatment. She is the author of Thrive Socially with Adult ADHD: The Shame-Busting Guide to Building Better Relationships with Polyvagal Theory and Neuroscience (New Harbinger, 2025). Dr. Horn integrates over 30 years of clinical experience with contemporary neuroscience and polyvagal theory to help adults with ADHD understand the connection between nervous system regulation, executive functioning, and emotional health. Drawing on both professional expertise and lived experience as an adult with ADHD, she focuses on reducing toxic shame and reframing symptom-based narratives through a nervous system lens. She is a TEDx and international speaker, host of the Inspired Living podcast, and has served as a clinical supervisor with the University of Washington School of Medicine–affiliated Psychiatric Residency Program i