Born in
Kos on 17 January 1935, Kalligiorgis joined the
Halki seminary in 1952 and graduated in 1959. That year, he was ordained a deacon. He then left for France and was ordained a priest on 26 July 1964 by . On 18 July 2018, he was named Bishop of the
Metropolis of Ancyra, which was re-established for the first time since 1922. He was succeeded in Switzerland by . Kalligiorgis died in Kos on 20 June 2025, at the age of 90. ==Distinctions==