Demetrio Dumaluan Arancon JR.

Demetrio Dumaluan Arancon JR. is the current Punong Barangay of Barangay Magnaga in Pantukan, Davao De Oro, Philippines, serving the 2023 - 2026 term. The position — also commonly referred to as Barangay Captain — is the elected head of the barangay'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 Magnaga is one of 13 barangays in the municipality of Pantukan, in the province of Davao De Oro, in the Davao Region region of the Philippines. According to the 2020 Census of Population and Housing, Barangay Magnaga had a population of 10,766 residents — the constituency that Demetrio serves as Punong Barangay. Davao De Oro is classified as a 1st by the Bureau of Local Government Finance.

Barangay officials in the Philippines are elected during the synchronised Barangay and Sangguniang Kabataan Elections (BSKE). Demetrio currently holds office under the mandate established by the October 30, 2023 BSKE. The next BSKE, at which this position will again be contested, is scheduled for Monday, November 2, 2026.

The Sangguniang Barangay — which Demetrio Dumaluan Arancon JR. 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.