David J. Hellerstein, M.D., is a research psychiatrist at the New York State Psychiatric Institute, New York, NY, and Professor of Clinical Psychiatry at the Columbia University Irving Medical Center. He specializes in research and treatment of mood and anxiety disorders, particularly the medication treatment of chronic depression. His current studies include psilocybin in treatment-resistant depression, ganaloxone for postpartum depression, and lumateperone for bipolar depression.Dr. Hellerstein is Director of the Depression Evaluation Service, which conducts studies on the medication and psychotherapy treatment of conditions including major depression, chronic depression, and bipolar disorder.He has published over 125 scientific articles and book chapters on subjects including the treatment of persistent depressive disorder, bipolar depression, supportive psychotherapy, behavioral activation therapy, and the humanities and medicine, particularly ‘narrative medicine.’ His neuroimaging research has been published in JAMA Psychiatry, Molecular Psychiatry, and other top journals.Dr. Hellerstein has also received national recognition for his literary writing, and has published works of nonfiction and fiction. His journalism has been published in magazines including Harper’s and The New York Times Magazine. He writes a blog about applying neuroscience principals to psychiatric treatment for Psychologytoday.com: at Heal Your Brain.His book, Heal Your Brain: How the New Neuropsychiatry Can Help You Go From Better to Well, was published by the Johns Hopkins University Press. A Distinguished Life Fellow of the American Psychiatric Association, he has served as President of the New York County District Branch of the American Psychiatric Association.His private practice in psychiatry and psychopharmacology is located at: 271 West 70th St., #1F, New York, NY 10023 (tel. 212-875-1357).