Mary Ann McDonnell, RN, MS, CS, PMHNP, is licensed as a child and adolescent clinical nurse specialist and a family psychiatric nurse practitioner and has a PhD in Philosophy. She obtained her Associates of Science in Nursing Degree at Quincy College, her Bachelors of Science in Nursing Degree, Masters of Science in Nursing Degree, and her PhD in Philosophy at Northeastern University in Boston. Previously she was the director of the clinical trials program in pediatric psychopharmacology resear
