Born in Sulmona, Italy, Pasquale "Pat" Giammarco is the founder of Marco's Pizza.[5] Giammarco moved to the United States from the Abruzzo region of Italy when he was nine years old[6] and grew up in Dearborn, Michigan, where he worked in his family's pizzeria.[7] He and his father made the sauce recipe that is used in Marco's Pizza locations.