Carlos Aníbal was born on March 13, 1942, in the Aloasí parish, Cantón Mejía, in the Province of Pichincha, Ecuador.

In 1981, he traveled to Rome to complete his religious formation at the Pontifical Gregorian University, where he obtained a Bachelor of Theology, with a specialization in Missiology.

He exercised his pastoral ministry as parish priest in Pintaj and Calderón, of the Roman Catholic Archdiocese of Quito.

He was consecrated on February 20 of the same year, at the hands of the then Archbishop of Quito, Antonio González Zumárraga.

His co-consecrators were the then Auxiliary Bishops of Quito, Antonio Arregui Yarza and Enrique Orellana Ricaurte.