Dr. Collier is a clinical neuropsychologist with advanced expertise in brain development and the neurocognitive effects of injury. Dr. Collier specializes in comprehensive neuropsychological evaluations for traumatic brain injury (TBI), attention disorders, and neurodevelopmental conditions in both pediatric and adult populations, with particular emphasis on complex differential diagnosis and functional outcomes.



In addition to assessment, Dr. Collier provides psychotherapy and cognitive rehabilitation for individuals across the lifespan. Dr. Collier’ clinical approach is results-driven and firmly grounded in evidence-based practices, including Cognitive Behavioral Therapy (CBT), motivational interviewing, and Solution-Focused Therapy to treat a wide range of conditions, such as anxiety, depression, OCD, attentional disorders and neurological sequelae of injury. 



Dr. Collier earned her Ph.D. in Clinical Psychology from the California School of Professional Psychology in Los Angeles. Dr. Collier completed her predoctoral internship in neuropsychology at Children’s Hospital Colorado (APA-accredited), followed by a two-year formal residency in clinical neuropsychology at Children’s National Medical Center in Washington, DC (APPCN-accredited). Dr. Collier also received specialized training in the evaluation and treatment of pediatric anxiety and tic disorders at the UCLA Anxiety, Tic, and OCD Clinic.