 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.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.