Education
He obtained his degree of Bachelor of Science in Civil Engineering from the University of Sto.
He obtained his degree of Bachelor of Science in Civil Engineering from the University of Sto.
Early Life and Tomas. His government service began in 1914 when he worked as Junior Assistant Engineer at the Bureau of Public Works and became District Engineer of Bataan and Rizal (1919) and later was promoted as Supervising District Engineer. Political As Senator, he was elected in 1928 representing the First Senatorial District comprising Cagayan, Isabela, Ilocos Sur, Ilocos Norte and Abra.
Reelected in 1934, 1941 and 1946, his term ended in 1951.
He was the Majority leader of the Senate of the Philippines from 1945 to 1946. He was floor leader and Chairman of the Committee on Public Works and Communications (1936) and floor leader and Senate President Pro-Tempore (1946–1949).
In 1947, he was appointed Chief Delegate of the Philippines to the United Nations Commission on of Korea. Arranz coined the term "Solid North".
He died on April 24, 1966.