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Thomas McMahon, PhD

Emeritus Professor of Psychiatry and in The Child Study Center; Program Director, West Haven Mental Health Clinic, Connecticut Mental Health Center; Director of Clinical Research, Connecticut Mental Health Center



Thomas J. McMahon, Ph.D. is a Professor in the Departments of Psychiatry and Child Study. He is also the Program Director for the West Haven Mental Health Clinic at the Connecticut Mental Health Center. As a clinician, educator, and researcher, he is broadly interested in developmental perspectives on psychopathology and developmentally informed approaches to clinical intervention offered in community settings.

As a clinician, he is interested in the psychological assessment and treatment of children, adolescents, and young adults with a history of child abuse or neglect, particularly in the context of parental addiction. As an educator, he coordinates training in clinical child, adolescent, and young adult psychology; and he is actively involved in cross-training on addiction, family process, and child development within the child welfare, child guidance, and addiction treatment systems. As a researcher, he is interested in the impact of drug addiction on family process; and he is involved in the development of family-oriented intervention for men and women affected by drug addiction.

Dr. McMahon has been the recipient of several grants from the National Institute on Drug Abuse to explore parenting as a treatment issue for men struggling with drug addiction; and he has been invited to participate in national and international initiatives designed to attenuate the impact of alcohol and drug addiction on family process and child development.

Education & Training

  • PhD
    New York University (1994)
  • MA
    New York University (1986)
  • BSW
    Temple University (1975)


  • Understanding Substance-Abusing Parents in Systems of Care: An Evolutionary Perspective
    Alberta Providence., Canada 2011

Honors & Recognition

AwardAwarding OrganizationDate
Sidney J. Blatt Award for excellence in clinical work, teaching, and researchPsychology Section, Department of Psychiatry2013
Stephen Fleck Award for conscientiousness and humanitarianism as a clinician and an educatorDepartment of Psychiatry2012

Professional Service

U. S. Department of Health and Human Services, Substance Abuse and Mental Health Services Administration. Member of an advisory panel to develop a national strategic plan to promote more gender-sensitive behavioral health services for men.2013 - Present
American Psychological Association, Society for Clinical Child and Adolescent Psychology (Division 53). Co-chair of a new Special Interest Group on Emerging Adulthood developed to promote research, practice, and training related to young adults.2013 - Present
American Psychological Association, Education Directorate. Member of the Continuing Education Committee responsible for the development of policy, procedures, and programs for the continuing education of professional psychologists.2013 - 2015
U. S. Department of Health and Human Services, Substance Abuse and Mental Health Services Administration, Center for Substance Abuse Treatment. Member of an advisory panel to develop a national strategic plan to promote attention to fathering.2011 - Present

Departments & Organizations