Mark Anthony Somera Lamarca

Mark Anthony Somera Lamarca holds the position of Punong Barangay in Barangay Mambog, a barangay in the municipality of Santa Cruz, serving the 2023 - 2026 term. As Punong Barangay, Mark leads the elected Sangguniang Barangay and represents the community's local government unit.

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 Mambog is one of 49 barangays in the municipality of Santa Cruz, in the province of Ilocos Sur, in the Ilocos Region region of the Philippines. According to the 2020 Census of Population and Housing, Barangay Mambog had a population of 1,147 residents — the constituency that Mark serves as Punong Barangay. Ilocos Sur is classified as a 1st by the Bureau of Local Government Finance.

Elected through the Barangay and Sangguniang Kabataan Elections, Mark Anthony Somera Lamarca 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.

The Sangguniang Barangay — which Mark Anthony Somera Lamarca 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.