Call Us: (937) 732-9273

Board of Advisors

The PDAN Board of Advisors is comprised of authors, experts and psychologists who have written about personality disorders, or do research on treatments as well as prevention and transmission. All Board members are contributing volunteers:

  • David Bernstein, Professor of Forensic Psychotherapy and Clinical Psychological Science, Faculty of Psychology and Neuroscience, Maastricht University. Bernstein has served as President of the Association for Research on Personality Disorders (ARPD), Vice President of the International Society for the Study of Personality Disorders (ISSPD) and Vice President of the International Society for Schema Therapy (ISST). Before coming to the Netherlands, Bernstein had conducted research on personality disorders for twenty years in New York. He was Associate Professor in the Department of Psychology at Fordham University, New York, and co-director of the forensic psychology program. Sample article: Treating Forensic Patients with Personality Disorders with Schema Therapy: Research Update.
  • Donald Black, MD, Director, Psychiatry Residency Training Program, University of Iowa. Clinical researcher with more than 300 publications. His work has focused on the course and treatment of severe personality disorders, esp. researching the effectiveness of the STEPPS program for borderline personality disorder (STEPPS: Systems Training for Emotional Predictability and Problem Solving: a value-added adjunct to therapy and medications, implemented in certain prison populations). Black has also conducted family and follow-up studies of behavioral addictions including gambling disorder.
  • Bekh Bradley, Ph.D, Associate Professor, Psychiatry and Behavioral Sciences, Emory University; Associate Chief of Staff (ACOS) for Mental Health,  Atlanta VA Medical Center. Investigator, Grady Trauma Project, a large-scale genetic study of PTSD. Research focus on the Anatomy of Fear, understanding the biological underpinnings of anxiety, phobias, and PTSD.
  • Elinor Greenberg, PhD, is a licensed psychologist in New York City and an internationally known Gestalt Therapist and trainer, certified in the Masterson Approach to the Psychodynamic Treatment of Borderline, Narcissistic and Schizoid Disorders; Ericksonian Hypnotherapy and Group Psychotherapy. Greenberg is a teaching member and Vice-President of the NY Institute for Gestalt Therapy, and a former faculty member of The Masterson Institute. Greenberg is an associate editor of Gestalt Review. See her book, Borderline, Narcissistic, and Schizoid Adaptations: The Pursuit of Love, Admiration and Safety.
  • Mark Komrad, MD, psychiatrist on the clinical and teaching staff of Sheppard Pratt Hospital and the Johns Hopkins Hospital in Baltimore. 25 years experience in advising people on how to convince an emotionally or behaviorally troubled loved-one to accept psychiatric evaluation and treatment. Author of the book You Need Help!. Ethicist in residence at Sheppard Pratt Hospital. Komrad was the host of the weekly radio talkshow “Komrad on call” on the American Radio Network in the 1990s and a regular psychiatrist guest on the National Public Radio (NPR) radio show “Sunday Rounds with John Stupak”.
  • Michael Popkin, Ph.D, President, Active Parenting Publishers, providing award-winning, video-based parenting classes for helping professionals since 1983. Their evidence-based programs cover topics including parenting programs, stepparenting, divorce, school success, and character education.
  • Jeff Riggenbach, PhD, LPC is a speaker, author and clinician in the state of Oklahoma. He currently serves as the director of outpatient services at Brookhaven Hospital in Tulsa, and is president of the CBT Institute of Oklahoma. Dr. Riggenbach has devoted the last 15 years of his career to studying, practicing & teaching cognitive behavioral based treatments for personality dysfunction. Author of the CBT toolbox: a workbook for clients and clinicians. He is based in Tulsa, Oklahoma.
  • Elsa Ronningstam, Ph.D, Clinical Psychologist at McLean Hospital, Associate Clinical Professor at Harvard Medical School, and Faculty at Boston Psychoanalytic Society and Institute.
  • S. Charles Schulz, MD, Professor of Psychiatry, University of Minnesota. Over 20 years experience in pharmacology research and schizophrenia research. Schulz was instrumental in expanding the University of Minnesota programs for psychiatry. Schulz also specializes in psychiatric illness in adolescents and early indicators of psychosis. Current research on studies of medication treatments for personality disorders, and relationship between symptoms, diagnostics and brain imaging for borderline personality disorder. Affiliated with Prairie Care Hospital.
  • Tim Trull, PhD, Professor of Psychological Sciences, University of Missouri. Trull focused on the areas of diagnosis and classification of mental disorders, personality disorders (particularly borderline personality disorder), substance use disorders, psychometrics and clinical assessment, the relationship between personality and psychopathology, professional issues in clinical psychology, affective instability, emotional dysregulation, and ambulatory assessment methods. His often-cited research on the prevalence of BPD showed that 2.7% of adults in the United States meet diagnostic criteria for BPD.

Emeritus Board of Advisors

  • Mary F. Gay, Ph.D, Licensed Professional Counselor, Past President of PDAN.
  • Kerry Ressler, MD Ph.D, Professor of Psychiatry and Chief Scientific Officer, McLean Hospital, Harvard University; Director of the Ressler Lab, research on the molecular and cellular mechanisms of fear learning and the process of extinction of fear. Investigator at the Grady Trauma Project, a large-scale genetic study on understanding PTSD. Formerly Professor at Emory University.


PDAN has a small staff working on administration and communications. To contact us, please email

PDAN is funded by private contributions. If you are interesting in supporting awareness and prevention of personality disorders, please click on Donate. Thanks!


1072 W Peachtree St NW #79468
Atlanta GA 30357
Phone: (209) 732-6001



Important: This site has been provided for information purposes only and should not be considered a substitute for clinical therapy.

The opinions contained on this website remain those of the contributing authors.