Andrzej Zglejszewski was born in Czarna Bialostocka, Poland to Tadeusz and Anna Zglejszewski. He has a sister Ewa. Deciding to become a priest, Zglejszewski studied philosophy and theology in his home town.[1]
After his 1990 ordination, the diocese in 1991 assigned Zglejszewski as associate pastor at St. Christopher Parish in Baldwin, New York. He was transferred in 1995 to serve as assistant pastor at St. Thomas the Apostle Parish in West Hempstead, New York.[4]After working at St. Thomas for seven years, Zglejszewski in 2002 was appointed pastor at St. Rose of Lima Parish in Massapequa, New York.[2]
Zglejszewski left St. Rose in 2007 after Bishop William F. Murphy appointed him as director of the Office of Worship for the diocese and as the co-chancello. Zglejszewski also served as an adjunct professor teaching in the diaconate formation program at Immaculate Conception Seminary.[4]