(right) during the 1925 campaign for Philippine independence. He was elected as
Municipal Councilor when he first decided to run for public office. After that, he was elected as
provincial member of Negros Occidental. In 1925, he became
Governor of Negros Occidental. In his three years as governor, he focused on building roads and bridges throughout the province further establishing a waterworks system. Along with the Provincial Board, he initiated the development of the
provincial government building. After his term as governor, he ran for Congress and was elected representative of the
first district of Negros Occidental in 1928. As a representative of a district whose primary means of livelihood depend upon the sugar industry, he worked for the modernization of sugar centrals, increasing the share of sugarcane planters within the sugar produced, and raising the wages of farm laborers. As Chairman of the Committee on Public Instruction, he worked on the establishment of faculties in remote barrios and well plazas in towns to market cultural events. In 1935, he became a delegate to the
Constitutional Convention. One of his contributions as a delegate to the convention was the inclusion of social justice within the Constitution’s declaration of principles. Dr. Locsin was a member of the
Nacionalista Party. When
Ferdinand Marcos switched allegiance and ran for president in 1965 under Nationalista, Locsin supported Marcos’ candidacy. But when Marcos declared
martial law in 1972, Locsin was disheartened and regretted having given his support to Marcos’ presidency. Although he was no longer active in politics during the time of Martial Law, Dr. Locsin wore a black ribbon as a sign of protest against Marcos. == At the Senate ==