Senator Sotero Baluyot was born in San Fernando, Pampanga on January 3, 1889 to Leoncio Baluyut and Casimira Julao.
He was sent to the States as government pensionado in 1904. He studied at the Santa Ana Central and High School, California, University Summer Schools of Illinois; and University of Iowa, where he obtain the degree of Bachelor of Science in Civil Engineering.
He worked with the Bureau of Public Works on his return to the Philippines as assistant engineer of Pampanga and Cavite in 1911; was assigned district engineer in the provinces of Isabela, Antique, Ilocos Norte, Bulacan, and Pangasinan; special engineer on the San Jose Santa Fe Road from 1912 to 1919 and engineer for Pampanga Sugar Development and Corporation Inc. in 1920.
He was elected governor of Pampanga in 1925, 1928 and 1937. He served as senator for the Third Senatorial District (Tarlac, Nueva Ecija, Pampanga and Bulacan) from 1931-1935.