John A. Hilaris of the St Demetrios Church in Elmhurst, IL, was invested as Archon in 2016 and conferred with the offikion Asekretes. He assisted in the preparation for the Patriarchal visits of 1990 and 1997 to the Chicago Metropolis.

Archon Hilaris is a major contributor to his parish and to the Holy Metropolis of Chicago. He has been a principal founder of and donor to the Pythagoras Child Academy.

Archon Hilaris is a mechanical engineer.