On [[November 24]], 1997, the Holy and Sacred Synod of the Ecumenical Patriarchate elevated him to Metropolitan of Proikonisos and Presiding Hierarch of the Greek Orthodox Diocese of Denver. Metropolitan Isaiah was also appointed as President of Hellenic College/Holy Cross Greek Orthodox School of Theology on [[July 1]], 1997, by His Eminence Archbishop [[Spyridon (Papageorge) of America|Spyridon]] of America. He accepted a one-year term which officially ended on [[August 14]], 1998.
On [[December 20]], 2002, the Ecumenical Patriarchate elevated the status of the Diocese to a Metropolis, and elected Metropolitan Isaiah as Metropolitan of
Denver. The Metropolitan is presently completing his eleventh year in Denver.
title=Bishop of Aspendos|