Constantine Sideridis of the St. George Church in Lynn, MA, was invested as Archon in 2015 and conferred with the offikion Protonotarios.

Archon Sideridis has served on the parish council. He is the stewardship chairman of the parish and a fulfilled member of Leadership 100. He also supports the Boston Metropolis Summer Camp.

Archon Sideridis is a trained engineer, who owns a company that creates ceramics from inorganic nonmetallic materials, which are then used for industrial purposes.