Efstathios Karadonis of the St. Thomas Church in Cherry Hill, NJ, was invested as Archon in 2015 and conferred with the offikion Hypomnematografos.

Archon Karadonis has served extensively on the parish council. He has been influential in the establishment of the St Thomas Church Greek School and the new St. Thomas Senior Citizen Center. He has also assisted the Holy Metropolis of New Jersey by co-chairing many fund raising events.

Archon Karadonis is an executive for a restaurant supply business. As President of the Federation of the Hellenic American Societies of Philadelphia and the Delaware Valley, he also supervises the annual Philadelphia March 25 Parade.