Alexandra Hamlet, PsyD

Clinical Psychologist, Mood Disorders Center

Child Mind Institute

Alexandra Hamlet, PsyD



Caroline Gabriele, Staff Associate


Alexandra Hamlet, PsyD, is a clinical psychologist in the Mood Disorders Center at the Child Mind Institute. She specializes in the evaluation and treatment of mood and anxiety disorders. She has particular interest in providing cognitive-behavioral therapy (CBT) and dialectical behavior therapy (DBT) to children, adolescents, young adults, and their families, and has specific training in the treatment of depression, emotional dysregulation, OCD, selective mutism, and other anxiety disorders.

Dr. Hamlet has received extensive training and is skilled in evidence-based cognitive behavioral interventions such as dialectical behavior therapy (DBT) for adolescents and children, exposure with response prevention (ERP) and CBT for eating disorders (CBT-e). She has experience working with children with severe behavioral presentations in schools, including providing assessment and consultation to school administration. Dr. Hamlet has an interest in the impact of social media and technology on the teenage brain, and has given numerous presentations on the topic.  She has collaborated with Common Sense Media, Born This Way Foundation, and Project UROK. Dr. Hamlet is an adjunct professor in the psychology department at her alma mater, St. John’s University.


  • Post Doctoral Fellow, Intensive OCD Program, Child Mind Institute
  • Post Doctoral Fellow, Therapy West and Academics West, New York, NY
  • Intern, Campus Division, Andrus Children’s Center
  • Extern, Anxiety and Mood Disorders Center, Child Mind Institute
  • Extern, Oceanside Public School System, Oceanside, NY


  • PsyD, School Psychology, College of Arts and Sciences, St. John’s University
  • MS, School Psychology, College of Arts and Sciences, St. John’s University
  • BA, English Literature, McGill University