Ruperto Santos

Ruperto Cruz Santos, also known as Bishop Stude, (born October 30, 1957) is a Filipino prelate of the Catholic Church. Santos is the fifth and current Bishop of Antipolo since July 22, 2023. He is the president of the Episcopal Commission for Pastoral Care for Migrants and Itinerant People (ECMI) of the Catholic Bishops' Conference of the Philippines.

Prior to his current position, Santos previously served as priest of Archdiocese of Manila for 27 years from September 10, 1983 and then concurrently held the position as rector of Pontifical Filipino College while serving the former from 1999 to July 8, 2010, and fourth Bishop of Balanga in Bataan from April 1, 2010 to July 22, 2023 (installed or assumed office on July 8, 2010), succeeding Socrates Villegas who became fifth Archbishop of Lingayen-Dagupan in Pangasinan on November 4, 2009 and making him as the first bishop in the Philippines to start episcopate in the 2010s decade upon his appointment date to the position. He was also the parish administrator of Diocesan Shrine and Parish of St. Nicholas Tolentino, Mariveles, Bataan from June 5, 2020, to June 4, 2023, on his last three years as Bishop of Balanga making him the first diocese's bishop to hold the position of an administrator. As rector of the college, he was succeeded by Gregory Ramon Gaston on September 2, 2010.

With 13 years, 3 months, and 21 days, 4,860 days, or 14 calendar years as Bishop of Balanga, Santos is the diocese's longest-serving living and the second longest bishop overall after Celso Guevarra since October 4, 2015.