[[Image:Zizioulas1.jpg|right|thumb|200px|Metropolitan John (Zizioulas) of Pergamon]]
His Excellency the Most Reverend '''John (Zizioulas) of Pergamon''' (b. 1931) is a modern [[theologian]] and [[titular bishop|titular]] [[Metropolitan]] of Pergamon, under the [[Ecumenical Patriarchate]] of Constantinople.
==Life==