Juan Interiano was born in San Rafael Oriente, department of San Miguel El Salvador Central America, on December 21, 1961. Being the son of Leonidas de Jesús Interiano and Maria Neles Aparicio.
He finished high school in 1976 at the Alberto Masferrer School in San Rafael Oriente.
He was born again on Sunday, December 21, 1981, in Guatemala. He was baptized in water on May 7, 1982 in the church Assemblies of God of San Rafael Oriente San Miguel. God gave him the Privilege of being a teacher of Children in the same Church.
It was at the beginning of 1982 that God gave the privilege of meeting Miss Noemí Romero, they were united in marriage the day September 11, 1982 with whom she has procreated four children: Noemí Yamileth, Nelis Verónica, Heriberto
and Nancy Elizabeth.
He supported the development of Fuente De Vida church in Barrio La Merced in 1984, as an assistant pastor. In January 1991 He was called to the ministry by opening the "Iglesia Pentecostal Camino A La Vida Eterna" with three families, which today God has given him the growth of 700 people.
In 1994 he obtained his certificate of the third year of the Biblical Institute of the Christian Assemblies. God granted him the privilege of graduating from a Bachelor of Theology degree from International Theology Seminary. He entered the Latin University of Theology in January 2002, receiving a Doctor of Theology in Pastoral Ministry on May 26, 2005.