Mark Jefferson Navarro Uson

Serving as Punong Barangay of Barangay Bolo in Labrador, Pangasinan, Mark Jefferson Navarro Uson 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.

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 Bolo is one of 10 barangays in the municipality of Labrador, in the province of Pangasinan, in the Ilocos Region region of the Philippines. According to the 2020 Census of Population and Housing, Barangay Bolo had a population of 4,615 residents — the constituency that Mark serves as Punong Barangay. Pangasinan is classified as a 1st by the Bureau of Local Government Finance.

Elected through the Barangay and Sangguniang Kabataan Elections, Mark Jefferson Navarro Uson 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 Jefferson Navarro Uson 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.