Born and raised in the Church of The Nazarene in Guatemala, Central America. Came to the US in 1990, married in 1992 and started the church in 1998 with the support of Southport Church of The Nazarene. In 2002 the church was organized and obtained its building, in that same year Pastor Monterroso was appointed to be the Hispanic Ministries Director for the district of Indianapolis. He also serves as the Lead Chaplain at the Sidney and Lois Eskenazi Hospital and Eskenazi Health. He is married to Kim and the father of Emily.