Mr. Grandeza is the second of the Grandeza Triumvirate -- the three brothers who each held the position of Corps Commander at the AdD ROTC. He is a prominent figure in Davao City martial arts; being a well established instructor of both Moo Duk Kwan and Tae Kwon-Do.

"Master Bing", as he is often called, has been commandant of the University of the Immaculate Conception PMT unit since the 70's, and was instrumental in the establishment of the UIC ROTC unit.