 James Delgrosso became the Mayor of Bethlehem on March 12, 2003, following the resignation of his predecessor, former Mayor Don Cunningham, who left office to become the Secretary of the Pennsylvania Department of General Services under Governor Ed Rendell.Delgrooso declared his intention to seek a full term as mayor and actively campaigned while in office.However, he lost in the Democratic mayoral primary election in 2003 to John B. Callahan.