• Industry veteran Luca Mignini named as chief operating officer
  • Executive had been overseeing snacks such as Goldfish crackers

Campbell Soup Co., the packaged-food giant that’s struggling to break out of a three-year sales slump, named industry veteran Luca Mignini as chief operating officer, putting him in line for the top job.

Mignini, 55, joined Campbell in 2013 and currently runs the snacks unit, which makes Pepperidge Farm cookies and Goldfish crackers. Snacks have become a key focus for Campbell to drive growth as sales of canned…