DG Fonacier is the head of the Financial Supervision Sector, which is mainly responsible for the regulation of banks and other BSP-Supervised Financial Institutions (BSFIs). Under her direct supervision are five subsectors which handle onsite examination and offsite surveillance (or integrated supervision) of BSFIs including specialized supervision of specific areas (i.e., anti-money laundering, trust, financial market operations and information technology), oversight of the public credit registry, policy studies/research, and supervisory data management.

She has served as panelist/resource person in various international conferences/fora on banking supervision, sustainable finance, financial technology and digitalization, financial inclusion, shadow banking, microfinance, bank resolution and crisis management, financial stability, capacity building, etc. organized by international bodies such as the United Nations (UN), IMF/World Bank, Bank of International Settlements (BIS), Financial Stability Institute (FSI), Asia-Pacific Economic Cooperation (APEC), Asian Bankers Association (ABA), South East Asian Central Banks (SEACEN) and central banks and monetary/supervisory authorities of various countries.