Alexander Estopa Agua

Alexander Estopa Agua is the Punong Barangay currently leading Barangay Poblacion, part of the municipality of Margosatubig in Zamboanga Del Sur, serving the 2023 - 2026 term. Under Philippine law, the Punong Barangay is directly elected by the residents of the barangay.

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 Poblacion is one of 17 barangays in the municipality of Margosatubig, in the province of Zamboanga Del Sur, in the Zamboanga Peninsula region of the Philippines. According to the 2020 Census of Population and Housing, Barangay Poblacion had a population of 15,860 residents — the constituency that Alexander serves as Punong Barangay. Zamboanga Del Sur is classified as a 1st by the Bureau of Local Government Finance.

Barangay officials in the Philippines are elected during the synchronised Barangay and Sangguniang Kabataan Elections (BSKE). Alexander currently holds office under the mandate established by the October 30, 2023 BSKE. The next BSKE, at which this position will again be contested, is scheduled for Monday, November 2, 2026.

The Sangguniang Barangay — which Alexander Estopa Agua 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.