Lloyd I Sederer, MD

  • Adjunct Professor of Epidemiology
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Lloyd I Sederer, MD, is a psychiatrist, public health doctor and non-fiction writer. 

He is an Adjunct Professor at the Columbia University School of Public Health, who has been Chief Medical Officer of McLean Hospital, a Harvard teaching hospital; Mental Health Commissioner of NYC (in the Bloomberg administration); and Chief Medical Officer of the NYS Office of Mental Health, the nation’s largest state MH Agency.

He has published 13 books, the first seven for medical professionals (two with multiple editions) and, more recently, six for a general audience. He has published ~500 articles for print and on-line publications, including the NYT, the WSJ, Scientific American, Lancet, Medscape, The Atlantic, The Tennessean, Commonweal, and US News and World Report (where he wrote an Opinion column). He was Medical Editor for Mental Health at the HuffPost, where >100 of his articles, audios and videos appeared. He currently is a Contributing Writer for Psychology Today (>100 articles), Psychiatric Times and The NY Journal of Books.  

Look for his next book in late 2023: a healthcare story, a business story and a leadership story about the collision of traditional medicine with the new era of the corporatization of medicine, using as a case example a storied Harvard Hospital.

Academic Appointments

  • Adjunct Professor of Epidemiology


  • Male