Metropolitan of Chicago

His Eminence Metropolitan Nathanael of Chicago serves as the second Metropolitan of the Greek Orthodox Metropolis of Chicago, overseeing 58 parishes and two monastic communities across the Midwest. He was unanimously elected by the Ecumenical Patriarchate of Constantinople on February 7, 2018, and enthroned on March 24, 2018.

Since his enthronement, he has advanced transparency, accountability, clergy development, parish renewal, and youth engagement, while strengthening financial stewardship across the Metropolis.

Born Konstantinos Symeonides in Thessaloniki, Greece (1978), he holds degrees from Hellenic College, Holy Cross Greek Orthodox School of Theology, and Boston University, where he earned a doctorate in bioethics. He has also pursued advanced leadership studies at Tufts University.

Prior to his election, he served in parish ministry in New York and as Director of Inter-Orthodox, Ecumenical, and Interfaith Relations for the Greek Orthodox Archdiocese of America, representing the Church at the United Nations.

He has taught and written extensively in theology and bioethics and is an advocate for human rights. He served on the Holy and Sacred Synod of the Ecumenical Patriarchate (2018–2019; 2024–2025), during which it granted autocephaly to the Orthodox Church of Ukraine.