Ocampo attended Holy Family Academy in Angeles City and the Mother of Good Counsel Minor Seminary.

[1] He then studied philosophy and Catholic theology at the San Jose Seminary in Quezon City.

[3] Due to the departure of Socrates Villegas to serve as fifth Archbishop of Lingayen-Dagupan covering central Pangasinan on November 4, 2009 which ended his term as third bishop of Balanga, Ocampo became the diocesan administrator of the Diocese of Balanga during the diocese's sede vacante without an appointed bishop for 4 months and 28 days (148 days) when Villegas became Archbishop of Lingayen-Dagupan on November 4, 2009 until Ruperto Santos became fourth Bishop of Balanga on April 1, 2010 as bishop-elect (with Santos had been rector of Pontificio Collegio Filippino and priest of the Archdiocese of Manila when he was appointed as fourth bishop in April 2010), and during Santos' 3 months and 7 days (98 days) bishop-elect period while awaiting for his installation into office as the diocese's fourth bishop from April 2010 until he was installed or assumed office on July 8, 2010, totaling the vacancy or period without a bishop installed in office for 8 months and 4 days (246 days).

[2] The Archbishop of Manila, Luis Antonio Tagle, consecrated him on August 29 of the same year in the Cathedral of St. Joseph in Balanga; Co-consecrators were the Apostolic Nuncio to the Philippines, Archbishop Giuseppe Pinto, and the Bishop of Balanga, Ruperto Santos.

In the Catholic Bishops' Conference of the Philippines, Ocampo was also a member of the permanent council[4] from 2017 to 2019 and represented the south-east of the island of Luzon.