 He became the Bishop of Infanta in Quezon province for nine years (2003 – 2012).On September 8, 2012, Pope Benedict XVI elevated Tirona to Archbishop of Caceres, replacing the retiring Leonardo Legaspi.The Archdiocese of Cáceres is a Metropolitan See that comprises the Bicol region, while directly overseeing the third, fourth and fifth congressional districts of Camarines Sur and is centered in Naga.