Andrew A Twardon
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Andrew A Twardon, PhD


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About Me

Dr Twardon is the Director of the Center for Intensive Treatment of Personality Disorders at the Department of Psychiatry at Mount Sinai West and Adjunct Professor at the Department of Psychology, Graduate Faculty, New School for Social Research in New York.

He is a member of the International Society for the Study of Personality Disorders and the founder of Twardon Group ( - a study group dedicated to the research of psychotherapy, Buddhist meditation and personality disorders. .

He is a graduate of Warsaw University, Psychology Department (M.A. Clinical Psychology, 1980) and the Graduate Faculty, New School for Social Research. (Ph.D. Clinical Psychology, 1993)

Dr Twardon specializes in assessment, diagnosis and multidimensional treatment of personality disorders and personality- related problems, depression, anxiety, addictions, relational / marital and family problems.
He offers training and supervision in individual and group psychotherapy to psychologists and psychiatrists as well as mentoring and coaching in psychological and interpersonal competence for individuals, teams and organizations.

He has practiced Zen Buddhism since 1978, including formal koan study in the Sanbô Kyôdan tradition at the Zen Mountain Monastery where he also received Jukai and Dharma name Nyoun. Since 1981, Dr Twardon has been affiliated with several mental health and academic institutions in New York City, including the New School for Social Research, Cabrini Medical Center, New York City Department of Mental Health, St. Barnabas Hospital, HIP New York and St.Luke's-Roosevelt Hospital.

ear Dr. Twardon discuss dealing with different personality types.
SENIOR FACULTY | Outpatient Adult Psychiatry
Hospital Affiliations
  • Mount Sinai Morningside
  • Mount Sinai Beth Israel
  • Mount Sinai Brooklyn
  • Mount Sinai Queens
  • The Mount Sinai Hospital
  • Mount Sinai West