After graduating secondary school (1973) he matriculated into the civil aviation college in Krivoi Rog, Ukraine (1974).

In May 2017 he defended his PhD thesis: "Iona Khelashvili's Metaphysical Conception" and received Doctor of Philosophy degree.

[1] October 14, 1989, he was ordained a deacon at Svetitskhoveli Cathedral by Metropolitan Konstantin Melikidze of Batumi and Shemokmedi.

In 1991-1995 he was supervising courses in canonical law for teachers in Ozurgeti and was publishing Orthodox Christian journal Tskaro.

Since 2010 Metropolitan Grigoli is Editor-in-chief of Uplis tsikhe (Lord`s Castle), a Journal of the Georgian Patriarchate.