Keith J. Chylinski

Keith James Chylinski (born July 23, 1971) is an American Catholic prelate who has been serving as an auxiliary bishop for the Archdiocese of Philadelphia in Pennsylvania since 2023.

Early life
Keith J. Chylinski was born on July 23, 1971, to Edmund Chylinski and the late Kelly Donovan. A native of Schenectady, New York, he attended West Woods Elementary and Hamden Middle School in Hamden, Connecticut, and then Conestoga High School in Berwyn, Pennsylvania. After graduating from high school, Chylinski entered Temple University in Philadelphia. He received a Bachelor of Music degree in 2000.

Deciding to become a priest, Chylinski entered St. Charles Borromeo Seminary in Wynnewood, Pennsylvania. He was awarded a Master of Divinity degree from St. Charles in 2006 and a Master of Arts degree in 2007.

Priesthood
Chylinski was ordained to the priesthood for the Archdiocese of Philadelphia by Cardinal Justin Rigali on May 19, 2007, at the Cathedral Basilica of Saints Peter and Paul in Philadelphia. After his 2007 ordination, the archdiocese assigned Chylinski as parochial vicar at the following parishes in Pennsylvania:


 * Saint Anselm in Philadelphia (2007 to 2011)
 * Mary Mother of the Redeemer in North Wales (2011 to 2012)

Chylinski went to Arlington, Virginia, in 2012 to attend the Institute for the Psychological Sciences at Divine Mercy University, receiving a Master of Science degree in 2014. On his return to Philadelphia, the archdiocese placed him on the faculty of St. Charles Borromeo Seminary. During this time, he performed weekend pastoral service first at Saint Joseph Parish in Downingtown, Pennsylvania, then at Saint Alphonsus Parish in Maple Glen, Pennsylvania. In 2022, Chylinski was named rector of the seminary.

Chylinski has also served on the archdiocesan council of priests, was a member of the Archbishop's Commission on Racial Healing, and was the national chaplain of the Catholic Psychotherapy Association.

Auxiliary Bishop of Philadelphia
Pope Francis appointed Chylinski as an auxiliary bishop for the Archdiocese of Philadelphia and titular bishop of Gunela on December 8, 2023. On March 7, 2024, Chylinski was ordained at the Cathedral Basilica of Saints Peter and Paul by Archbishop Nelson J. Pérez, with Auxiliary Bishop John J. McIntyre and Bishop Michael Burbidge as co-consecrators.