John S. Siemianowski
John Steven Siemianowski | |
|---|---|
| Auxiliary Bishop of Chicago Titular Bishop of Gratianopolis | |
| Archdiocese | Chicago |
| Appointed | December 20, 2024 |
| Installed | February 26, 2025 |
| Other post | Titular Bishop of Gratianopolis |
| Orders | |
| Ordination | May 20, 1989 |
| Consecration | February 26, 2025 by Blase J. Cupich, Robert Gerald Casey, and Jeffrey S. Grob |
| Personal details | |
| Born | May 26, 1960 |
| Education | Southern Illinois University Mundelein Seminary |
| Motto | Make all things new |
| Styles of John S. Siemianowski | |
|---|---|
| Reference style | |
| Spoken style | Your Excellency |
| Religious style | Bishop |
John Steven Siemianowski (born May 26, 1960) is an American prelate of the Roman Catholic Church who has been serving as an auxiliary bishop for the Archdiocese of Chicago in Illinois since 2025