[1][2] Born on 1 November 1962, in San Jose, Costa Rica, he formed "Sígueme Internacional" in 1983 and began leading worship around the same time.

He has recorded about 18 albums throughout his ministerial career that are part of the songs that are sung today in many Hispanic-speaking Protestant churches.

[3] Montero has replaced Marcos Witt as the pastor for the Spanish-speaking ministry of Joel Osteen's Lakewood Church- Houston, Texas.

He married Gloriana Diaz on 22 April 2006 in San José, Costa Rica, to a large number of witnesses and being present to Rev.

Rey Matos, Raul Vargas, and Ricardo Salazar, pastor of the church "Vida Abundante".