Mary K. O'Sullivan, LMFT, LADC, LPC

Mary-K O'Sullivan has been working as a Clinical Manager and Clinical Trainer for over 30 years. She has worked in both the private and public sectors in the fields of criminal justice, substance use disorders, co-occurring disorders and clinical supervision in both inpatient and outpatient programs.

She has worked as a trainer for the Department of Corrections, the Judicial Department, the Department of Children and Families, the Department of Social Services, UCONN Medical School, the Department of Education, and the Department of Mental Health and Addiction Services in the State of Connecticut as well as working as a Clinical Preceptor for the SARP program at the Groton Naval Submarine Base. She has trained both Nationally and Internationally including spending 10 years training with David Powell, PhD. and spending time in Singapore assisting their treatment system leaders in developing skills in co-occurring disorders treatment.

She currently provides training and/or clinical supervision and oversight to Private Non-profits, DOC staff, DCF staff, DOL staff, CSSD staff including adult and juvenile probation officers, parole officers, juvenile residential services staff, bail staff, women’s and family matters staff, clinicians, case managers, and medical staff.