B. Timothy Walsh, MD

  • William and Joy Ruane Professor of Pediatric Psychopharmacology in the Department of Psychiatry
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B. Timothy Walsh, MD graduated from Princeton University and Harvard Medical School, and established the eating disorders research program at the New York State Psychiatric Institute/Columbia University Irving Medical Center. He is currently Ruane Professor of Psychiatry at Columbia. Over the course of his career, he has published more than two hundred papers and received numerous grant awards from the National Institutes of Health. He has served as President of both the Academy for Eating Disorders and the Eating Disorders Research Society, and chaired the Eating Disorders Work Group for both DSM-IV and DSM-5. He has received awards from the American Psychiatric Association, the Academy for Eating Disorders, the National Eating Disorders Association, and the Association for Behavior and Cognitive Therapies.

Academic Appointments

  • William and Joy Ruane Professor of Pediatric Psychopharmacology in the Department of Psychiatry


  • Male


Selected Publications

Walsh BT, Xu T, Wang Y, Attia E, Kaplan AS. Time course of relapse following acute treatment for anorexia nervosa. Am J Psychiatry. 2021.

Attia E, Steinglass J, Walsh BT, Wang Y, Wu P, Schreyer C, Wildes J, Yilmaz Z, Guarda A, Kaplan A, Marcus M. Olanzapine versus Placebo in Outpatient Adults with Anorexia Nervosa: A randomized clinical trial. Am J Psychiatry. 2019; 176:449-456.

Davis L, Walsh BT, Schebendach J, Glasofer DR, Steinglass JE. Habits are stronger with longer duration of illness and greater severity in anorexia nervosa. Int J Eat Disord. 2020; 53: 413-419.

Walsh BT: The Enigmatic Persistence of Anorexia Nervosa. Am J Psychiatry 2013 170: 477-484.

Walsh BT: The importance of eating behavior in eating disorders. Physiology & Behavior. 2011; 104: 525-529.

Walsh BT, Kaplan AS, Attia E, Olmsted M, Parides M, Carter JC, Pike KM, Devlin MJ, Woodside B, Roberto CA, Rockert W: Fluoxetine after weight restoration in anorexia nervosa: a randomized controlled trial. JAMA. 295:2605-12, 2006