Deirdre Calvert has been the Director of the Massachusetts Bureau of Substance Addiction Services since April 2019. Previous to that, Director Calvert worked for more than 25 years as a clinical director and social worker in the Massachusetts substance use disorder system, including Opiate Treatment Programs, Residential Treatment Programs, and OBOTs. Director Calvert is also a Teaching Associate at Boston University School of Social Work and School of Public Health. Director Calvert holds a Masters in Social Work from Boston University, and is a Licensed Independent Clinical Social Worker (LICSW).