Otto F. Kernberg, MD, FAPA, is the Director of the Personality Disorders Institute at the New York Presbyterian Hospital, Westchester Division, and Professor of Psychiatry at the Joan and Sanford I. Weill Medical College and Graduate School of Medical Sciences of Cornell University.  He is a training and supervising analyst at the Columbia University Center for Psychoanalytic Training and Research, and is currently the President of the International Psychoanalytic Association. More...

John F. Clarkin, PhD, is Co-Director of the Personality Disorders Institute at the New York Presbyterian Hospital, Westchester Division, and Professor of Clinical Psychology in Psychiatry at the Joan and Sanford I. Weill Medical College and Graduate School of Medical Sciences of Cornell University.  He is the Executive Officer of the Society for Psychotherapy Research.

Eve Caligor MD, Clinical Professor of Psychiatry, Associate Director, Residency Training in Psychiatry, NYU School of Medicine; Director of Psychotherapy Training and Research, Training and Supervising Analyst, Columbia University Center for Psychoanalytic Training and Research. Dr. Caligor’s primary clinical and research interests are the evaluation and treatment of personality disorders. In addition to assessment, Dr. Caligor is interested in identifying the most effective psychotherapeutic approaches for different kinds of personality pathology.
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Monica Carsky, Ph.D., Clinical Assistant Professor of Psychology in Psychiatry, Weill-Cornell Medical College; Faculty, Institute for Psychoanalytic Training and Research; Adjunct Faculty, Fairleigh Dickinson University Doctoral Program in Clinical Psychology; Supervising and Training Analyst, Center for Psychoanalysis and Psychotherapy of New Jersey. She is a Fellow at the PDI and was a co-leader of the supportive psychotherapy arm for the PDI randomized control trial research on psychotherapy for borderline personality. She also lectures and consults widely to professionals on the treatment of patients with personality disorders. More...

Diana Diamond, PhD, is Professor in the Doctoral Program in Clinical Psychology at the City University of New York and is an Adjunct Professor in Psychiatry at the Weill Medical College of Cornell University. She is author or editor of a number of books including most recently Attachment and Sexuality. Her current research is on the treatment process and outcome with patients with co-morbid narcissistic and borderline disorders, and on changes in representations of self and significant others in borderline patients after one year of TFP. She is a graduate of the New York University Postdoctoral Program in Psychoanalysis and a graduate of the IPTAR training program in executive coaching and organizational consultation. She is a member of the American Psychological Association and a member at large of the board of directors of Division 39 (Psychoanalysis) APA.

Eric A. Fertuck, Ph.D., Assistant Professor of Clinical Psychology (in Psychiatry), Columbia University, College of Physicians and Surgeons

Kay Haran, PhD, Assistant Professor of Psychology in Clinical Psychiatry, Weill Medical College. Field Supervisor for Doctoral Canditates in the Graduate School of Applied and Professional Psychology at Rutgers, The State University of New Jersey.

Mark F. Lenzenweger, PhD, is Distinguished Professor of Psychology at the State University of New York at Binghamton where he is a faculty member in the Department of Psychology (clinical science, behavioral neuroscience, and cognitive psychology areas). He is also Senior Research Fellow at the Personality Disorders Institute, Adjunct Professor of Psychology in Psychiatry, Weill Cornell Medical College. Professor Lenzenweger focuses largely on research in the areas of schizotypy/schizophrenia as well as the longitudinal study of personality disorders. He also specializes in advanced statistical methods in psychopathology research. He maintains a private practice as well in Ithaca, New York.
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Kenneth Levy, PhD, is a tenured Associate Professor in the Clinical Area in the Department of Psychology at the Pennsylvania State University, where he directs the Laboratory for the Study of Personality, Psychopathology, and Psychotherapy. He has had a faculty appointment in the Department of Psychiatry at the Joan and Sanford I. Weill Medical College of Cornell University since 2000.  He is a Faculty Fellow and a member of the steering committee at the Personality Disorders Institute (PDI) and has been both a Principle Investigator and co-Principle Investigator on many of the central projects to the PDI  over the last 10 years. Dr. Levy maintains a part-time private practice in State College, PA where he works with child, adolescent, and adult patients across a wide range of psychopathology in psychodynamically-oriented individual psychotherapy but with a specific focus on personality disorders.  He also consults in New York City and White Plains, New York.
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Kevin B. Meehan, PhD, is an Assistant Professor in the Department of Psychology at Long Island University, Brooklyn. He is a TFP study therapist, research associate, and co-investigator on numerous clinical trials and studies with PDI colleagues. Dr. Meehan also maintains a private practice in downtown Brooklyn. View research activities.
View Dr. Meehan's research activities.

Mallay Occhiogrosso, MD, is a member of the clinical faculty of the Department of Psychiatry of Weill Cornell Medical College, specializing in personality disorders and reproductive psychiatry. Current research projects include serving as psychopharmacology coordinator for the research study "Psychotherapy of Borderline Personality Disorder" (John Clarkin, PI), as well as original research pertaining to women's mental health. She is a member of numerous professional organizations, including the American Psychiatric Association, the Women's Mental Health Coalition, and the North American Society for Psychosocial Obstetrics and Gynecology.
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Barry L. Stern, Ph.D., Assistant Clinical Prof. of Medical Psychology (in Psychiatry), Columbia University College of Physicians and Surgeons

Michael Stone, MD, is Professor of Clinical Psychiatry: Columbia College of Physicians & Surgeons and Attending in Forensic Psychiatry: Creedmoor Psychiatric Center. He is author of a number of books, including The Fate of Borderline Patients and Healing the Mind, a History of Psychiatry. More...

Frank E. Yeomans, MD, PhD, is a Clinical Associate Professor of Psychiatry at the Joan and Sanford I. Weill Medical College and Graduate School of Medical Sciences of Cornell University.  He is a Senior Consultant in and teaches internationally for the Personality Disorders Institute, and is in private practice in White Plains and New York City. More...