SAMHSA is led by the Assistant Secretary and a team of Directors and Regional Administrators. Office of the Assistant Secretary for Mental Health and Substance Use (OAS) Elinore F. McCance-Katz, M.D., Ph.D., Assistant Secretary Roberto J. Coquis, Deputy Assistant Secretary Deepa Avula, M.P.H., Chief of Staff Office of Financial Resources (OFR) Deepa Avula, M.P.H., Director National Mental Health and Substance Use Policy Lab (NMHSUPL) Thomas Clarke, Ph.D., Director Office of Management, Technology, and Operations (OMTO) Paolo del Vecchio, M.S.W., Director Office of Communications (OC) Charissa Pallas, Director Center for Mental Health Services (CMHS) Anita Everett, M.D., DFAPA, Director Center for Substance Abuse Prevention (CSAP) Richard Carmi, Acting Director Center for Substance Abuse Treatment (CSAT) Joseph Bullock, Ed.D., Director Center for Behavioral Health Statistics and Quality (CBHSQ) Krishnan Radhakrishnan, M.D., Ph.D., M.P.H., Director Office of the Chief Medical Officer (OCMO) Neeraj Gandotra, M.D., Chief Medical Officer