Roberto Martinez Lozano

Roberto Martinez Lozano holds the position of Punong Barangay in Barangay Dalimag, a barangay in the municipality of San Isidro, serving the 2023 - 2026 term. As Punong Barangay, Roberto 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 Dalimag is one of 9 barangays in the municipality of San Isidro, in the province of Abra, in the CAR region of the Philippines. According to the 2020 Census of Population and Housing, Barangay Dalimag had a population of 683 residents — the constituency that Roberto serves as Punong Barangay. Abra is classified as a 3rd by the Bureau of Local Government Finance.

Elected through the Barangay and Sangguniang Kabataan Elections, Roberto Martinez Lozano 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.