Edward Layog Das-ao SR.

Edward Layog Das-ao SR. holds the position of Punong Barangay in Barangay San Luis, a barangay in the municipality of Cervantes, serving the 2023 - 2026 term. As Punong Barangay, Edward leads the elected Sangguniang Barangay and represents the community's local government unit.

As the head of the smallest tier of Philippine local government, the Punong Barangay is responsible for everything from maintaining peace and order within the barangay to supervising the Barangay Development Plan, enforcing national and local laws within the barangay boundaries, and representing residents in the wider city or municipal government. The position is held for a four-year term under Republic Act No. 12232.

Barangay San Luis is one of 13 barangays in the municipality of Cervantes, in the province of Ilocos Sur, in the Ilocos Region region of the Philippines. According to the 2020 Census of Population and Housing, Barangay San Luis had a population of 918 residents — the constituency that Edward serves as Punong Barangay. Ilocos Sur is classified as a 1st by the Bureau of Local Government Finance.

Edward Layog Das-ao SR. was elected to office in the most recent Barangay and Sangguniang Kabataan Elections (BSKE), which took place on October 30, 2023. Under Republic Act No. 12232, barangay officials elected in 2023 serve four-year terms, meaning the current mandate runs until 2026. The next BSKE is scheduled for Monday, November 2, 2026, per COMELEC Resolution No. 11191.

A Philippine barangay's Sangguniang Barangay is composed of one Punong Barangay, seven Sangguniang Barangay Members (kagawads), a Sangguniang Kabataan (SK) Chairperson representing the youth sector, a Barangay Secretary, and a Barangay Treasurer. Together, these officials administer the smallest unit of Philippine local government and deliver frontline services — from barangay clearance issuance to peace and order, from public health assistance to the barangay's share of the Internal Revenue Allotment.