He served as a longtime city councilman from 1982 until 2003, as well as the interim Mayor of Bethlehem, Pennsylvania, for 10 months from 2003 until 2004.

[3] He served as the chairman of the city council's Finance Committee for twelve years while in office.

[1] During his time in office, Delgrosso presided over some of the most tumultuous recent years in modern Bethlehem history.

[1] The Bethlehem Commerce Center, which was estimated to cost $1 billion to construct, also opened with new businesses on the eastern tract of rezoned land during Delgrosso's lifetime.

[3] Delgrooso declared his intention to seek a full term as mayor and actively campaigned while in office.

[4] Delgrosso retired from city government in December 2003[4] and was succeeded by Mayor John B. Callahan, who took office on January 5, 2004.