Santos Manuel Villanueva

Santos Manuel Villanueva holds the position of Punong Barangay in Barangay Perez, a barangay in the municipality of Bulacan, serving the 2023 - 2026 term. As Punong Barangay, Santos leads the elected Sangguniang Barangay and represents the community's local government unit.

Under the Local Government Code of 1991, the Punong Barangay leads the Sangguniang Barangay, signs ordinances and resolutions, represents the barangay in transactions with other government units, administers the barangay budget and appropriations, and oversees the Lupong Tagapamayapa that handles amicable settlement of disputes at the barangay level. The office is the most directly accountable elected position in the Philippine government.

Barangay Perez is one of 14 barangays in the municipality of Bulacan, in the province of Bulacan, in the Central Luzon region of the Philippines. According to the 2020 Census of Population and Housing, Barangay Perez had a population of 2,047 residents — the constituency that Santos serves as Punong Barangay. Bulacan is classified as a 1st by the Bureau of Local Government Finance.

Elected through the Barangay and Sangguniang Kabataan Elections, Santos Manuel Villanueva is serving the current four-year term established under Republic Act No. 12232, which extended the barangay official's term from three years to four. The next BSKE will be held on Monday, November 2, 2026, following COMELEC Resolution No. 11191.

As an elected Philippine public official, Santos Manuel Villanueva is accountable to the residents of Barangay Perez and must comply with the Local Government Code of 1991 (RA 7160), the Code of Conduct and Ethical Standards for Public Officials and Employees (RA 6713), and other national laws. Barangay officials are required to file Statements of Assets, Liabilities and Net Worth (SALN) and are subject to the oversight of the Department of the Interior and Local Government and the Office of the Ombudsman.