He completed his basic education courses at the Aquinas University (Legazpi city and subsequently at the Dominican House of Studies (Washington, D.C.) where he obtained a Bachelor of Arts (AB) degree magna cum laude in Philosophy.
[1] He then graduated magna cum laude from the University of Santo Tomas (UST, Manila) with a Bachelor of Sacred Theology (STB) in 1980.
At the Katholieke Universiteit Leuven in Belgium he obtained a Doctor of Philosophy (PhD) degree magna cum laude in two programs, i.e. higher religious studies and sacred theology, in 1988.
[3] In 2019, he was appointed president of the Historical Commission for the Cause for Canonization of the Servant of God Darwin Ramos in the Diocese of Cubao by Bishop Honesto F. Ongtioco.
de la Rosa has written hundreds of articles and scholarly treatises, some of which has been translated into German and French, or anthologized in international publications.