With a mathematics degree from McMaster University, Di Giorgio was a high school math teacher before entering politics.

His contribution as founding director of the Ford Performing Arts Centre and his help in creating the Capital Planning Committee brought both a knowledgeable voice and prudent change to North York.

[1] In his role as Toronto city councillor, Di Giorgio was appointed budget chief under Mayor Rob Ford in 2013.

He was a member of the Executive Committee[3] and sat on the Board of Directors for Toronto Community Housing Corporation (TCHC) as the Mayor's designate.

[4] Di Giorgio ran for re-election as councillor in the newly formed Ward 5 York South—Weston in the 2018 Toronto election and lost to Frances Nunziata.