Attorney Patrick Lester N. Ty holds the distinction of being the youngest person to be appointed as Chief Regulator in the 25-year history of the MWSS RO. Since 2023, he is a member of the Advisory Board for IWA’s Inclusive Urban Sanitation initiative.

As Chief Regulator, Atty. Ty has demonstrated an unwavering commitment to enhancing water security and expanding sewage systems. His innovative approach to regulation has resulted in remarkable improvements in water, sewerage, and sanitation coverage in the Concession Areas. His dedication to public service and exceptional leadership have earned him numerous accolades and invitations to speak at international fora, where he shares his expertise and best practices as a Public Utility Regulator. 

Beyond his role as Chief Regulator, Atty. Ty is also a respected member of the IWA 7th IWRF Programme Committee, and recently the IWA Inclusive Urban Sanitation Initiative Advisory Board. The IWA is the largest membership association for the global water sector, and Atty. Ty’s involvement in the organization underscores his international reputation in water governance. 

Prior to his appointment as Chief Regulator in 2017, Atty. Ty led the Financial Regulation Area of the MWSS RO as Deputy Administrator. From 2010 to 2017, he served as the Deputy Administrator of the Authority of the Freeport Area of Bataan. From 2006 to 2010, he was the Special Legal Assistant of the Department of Finance. He also held positions in the Central Bank Board of Liquidators, UP Institute of Government and Law Reform, and Ocampo and Manalo Law Firm. 

Atty. Ty received his Bachelor of Arts in Psychology from the Ateneo de Manila University in 1999, followed by a Bachelor of Laws degree from the University of the Philippines College of Law in 2003.