Arsenio Damayo Valencia

Serving as Punong Barangay of Barangay Bialong in M'lang, Cotabato, Arsenio Damayo Valencia is currently in the 2023 - 2026 term. The Punong Barangay is the most senior elected official of a Philippine barangay and is responsible for the day-to-day administration of local services.

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 Bialong is one of 37 barangays in the municipality of M'lang, in the province of Cotabato, in the SOCCSKSARGEN region of the Philippines. According to the 2020 Census of Population and Housing, Barangay Bialong had a population of 4,309 residents — the constituency that Arsenio serves as Punong Barangay. Cotabato is classified as a 1st by the Bureau of Local Government Finance.

Elected through the Barangay and Sangguniang Kabataan Elections, Arsenio Damayo Valencia 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.

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.