Rodrigo Montemayor Villanueva

As Punong Barangay of Barangay Subusub, Rodrigo Montemayor Villanueva presides over the Sangguniang Barangay of the barangay in Rosario, La Union, serving the 2023 - 2026 term. The Punong Barangay is a nationally recognised local government position under the Local Government Code of 1991 (Republic Act No. 7160).

The Punong Barangay is the chief executive of the barangay, the smallest and most local unit of government in the Philippines. Duties under Section 389 of RA 7160 include enforcing barangay ordinances, organising and leading an emergency response team, calling and presiding over sessions of the Sangguniang Barangay, maintaining public order through the Lupong Tagapamayapa (peace council), and supervising the delivery of basic services to residents.

Barangay Subusub is one of 33 barangays in the municipality of Rosario, in the province of La Union, in the Ilocos Region region of the Philippines. According to the 2020 Census of Population and Housing, Barangay Subusub had a population of 2,965 residents — the constituency that Rodrigo serves as Punong Barangay. La Union is classified as a 1st by the Bureau of Local Government Finance.

Elected through the Barangay and Sangguniang Kabataan Elections, Rodrigo Montemayor 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.

The Sangguniang Barangay — which Rodrigo Montemayor Villanueva leads — is the legislative body of a Philippine barangay. It passes barangay ordinances and resolutions, approves the annual barangay budget, and exercises oversight over the barangay's programmes and projects. Its composition includes the Punong Barangay, seven kagawads, the SK Chairperson, a Secretary, and a Treasurer, all accountable directly to residents.