Daphne Simeon, M.D. is a psychiatrist currently in private practice on the Upper West Side of Manhattan in New York City.  Equally extensively trained in biological psychiatry and psychotherapy, she is renowned for her work and expertise in mood and anxiety disorders; dissociative disorders including depersonalization; obsessive-compulsive spectrum disorders; personality disorders including the borderline range; and the various adult manifestations of early childhood and later trauma.

As a clinician, researcher, author, lecturer and educator with over 20 years of experience after psychiatry training, Dr. Simeon's practice mostly consists of patients seeking psychodynamic psychotherapy along with psychiatric medication treatment if and as indicated.  Dr. Simeon also sees patients for first consultations, second and expert opinions, as well as psychopharmacological treatment alone if psychotherapy is already provided by another clinician or is not presently sought.

Dr. Simeon graduated medical school in 1987 from the Columbia University College of Physicians and Surgeons in New York City.  She also completed her psychiatry residency at Columbia University, graduating in 1991.  She is board-certified in Psychiatry, and is licensed to practice medicine in New York State.  After residency she uniquely trained in both biological research and psychoanalysis.  In 1993 she completed a 2-year National Institute of Mental Health sponsored Research Fellowship in Mood and Anxiety Disorders at Columbia.  In 2000 she graduated from the Columbia Psychoanalytic Center as a trained psychoanalyst.

Among her many achievements, Dr. Daphne Simeon is the author of three well appraised books,  Feeling Unreal: Depersonalization Disorder and the Loss of the Self, Concise Guide to the Anxiety Disorders; and Self Injurious Behaviors: Assessment and Treatment. Additionally she has authored numerous peer-reviewed original research papers in various psychiatry journals, stemming from her 20-year academic career in clinical research as Assistant Professor at the Mount Sinai School of Medicine Department of Psychiatry in New York City.  Dr. Simeon has also been extensively involved in medical student and resident psychiatry training and education over the past two decades, and she continues to teach and supervise residents in training at Mount Sinai.  She also currently serves as an advisor to the DSM-V Workgroup on Trauma, Posttraumatic Stress Disorder, and Dissociative Disorders.