Mark Ian Rojas Detera

Mark Ian Rojas Detera holds the position of Punong Barangay in Barangay Cahayagan, a barangay in the municipality of Laoang, serving the 2023 - 2026 term. As Punong Barangay, Mark leads the elected Sangguniang Barangay and represents the community's local government unit.

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 Cahayagan is one of 56 barangays in the municipality of Laoang, in the province of Northern Samar, in the Eastern Visayas region of the Philippines. According to the 2020 Census of Population and Housing, Barangay Cahayagan had a population of 1,925 residents — the constituency that Mark serves as Punong Barangay. Northern Samar is classified as a 2nd by the Bureau of Local Government Finance.

Mark Ian Rojas Detera 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.

The Sangguniang Barangay — which Mark Ian Rojas Detera 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.