Regulators
Patrick Lester N. Ty
Chief Regulator, MWSS Regulatory Office
Evelyn B. Agustin
Deputy Administrator for Technical Regulation
Lee Robert M. Britanico
Deputy Administrator for Customer Service Regulation
Claudine B. Orocio-Isorena
Deputy Administrator for Administration and Legal Affairs
Christopher D. Chuegan
Acting Deputy Administrator for Financial Regulation
Managers
| Office of the Chief Regulator |
 Joan Michelle S. Antonio Department Manager A, Public Information |
| Administration and Legal Affairs Area |
 Crescenciano B. Minas Jr. Department Manager A, Legal Affairs |
 Ramon A. Javier Department Manager A, Administration |
| Technical Regulation Area |
 Joel A. Dominguez Department Manager A, Operations Monitoring |
 Maricris T. Laciste Department Manager A, Water Quality Control |
| Customer Service Regulation Area |
 Rosendo O. Alegre Department Manager A, Complaints Services Monitoring |
 Francis Ayapana Acting Department Manager A, Metering Efficiency |
| Financial Regulation Area |
Joriel Dagsa Acting Department Manager A, Financial Audit and Asset Monitoring |
Mark Billy Antonio Acting Department Manager A, Tariff Control And Monitoring |