Abanulo was ordained in Nigeria in 1990 and came to the U.S. in 2003 after a stint in Chad. His first U.S. role was as an associate pastor in the diocese of Oakland, California, where his ministry focused on the fast-growing Nigerian Catholic community. Since then, he has been a hospital chaplain and pastor in Nashville, Tennessee, and a chaplain at the University of Alabama. 
Abunulo anakhazikitsidwa  ku Nigeria mu chaka cha 1990 ndipo anabwera ku U.S mu chaka cha 2003 atakhalitsa ku Chad. Udindo wawo oyamba ku U.S anali M'busa othandizira muchigawo cha Oakland, Califonia, komwe utumiki wawo umayang'ana zakukura kwachangu kwa katolika ku mizinda yaku Nigeria. kuchokera nthawi imeneyo wakhara oyang'anira zamapemphera akuchipatara komanso M'busa ku Nashville, Tennessee komanso oyanga'anira za mapemphero pa sukulu yaukachenjede ya Alabama.