Niall Geoghegan, Psy.D., is a clinical psychologist based in Berkeley, California, specializing in Coherence Therapy (formerly Depth Oriented Brief Therapy)—a depth-oriented, time-limited approach that facilitates rapid insights and emotional resolutions. A Certified Advanced Practitioner, he collaborated extensively with Bruce Ecker on the Coherence Therapy Training Program (2005–2015) and contributed to the book Unlocking the Emotional Brain (Routledge, 2010). He earned his doctorate from the Wright Institute in Berkeley, has eight years of experience at Kaiser Permanente treating over 1,000 diverse clients, and integrates techniques including EMDR, Process Work, Gestalt, Hakomi, Psychodynamic therapies, Focusing, Parts Work, Diamond Approach Inquiry, and CBT.