The MWSS RO Regulators collectively steer the regulatory functions, maintain transparency, ensure compliance, resolve disputes, and work toward the goal of providing efficient and sustainable water services to the public. Their roles involve management, oversight, policy formulation, and technical expertise to achieve the regulatory objectives set by the government.

Patrick Lester N. Ty
Chief Regulator

Claudine B. Orocio-Isorena
Deputy Administrator for Administration and Legal Affairs

Evelyn B. Agustin
Deputy Administrator for Technical Regulation

Lee Robert M. Britanico
Deputy Administrator for Customer Service Regulation

Christopher D. Chuegan
Acting Deputy Administrator for Financial Regulation

Joan Michelle S. Antonio
Department Manager A, Public Information
Office of the Chief Regulator

Ramon A. Javier
Department Manager A, Administration
Administration and Legal Affairs Area

Crescenciano B. Minas Jr.
Department Manager A, Legal Affairs
Administration and Legal Affairs Area

Maricris T. Laciste
Department Manager A,
Water Quality Control
Technical Regulation Area

Joel A. Dominguez
Department Manager A,
Operation Monitoring
Technical Regulation Area

Francis Eduardo P. Ayapana Jr.
Department Manager A,
Metering Efficiency
Customer Service Regulation Area

Clarissa T. Jallorina
Department Manager A,
Complaints Services Monitoring
Customer Service Regulation Area

Mark Billy B. Antonio
Acting Department Manager A,
Tariff Control And Monitoring
Financial Regulation Area

Joriel M. Dagsa
Department Manager A,
Financial Audit and Asset Monitoring
Financial Regulation Area