Suzanne Greco, SUBWAY president, left, receives the Guinness World Record title for most people making sandwiches simultaneously
Subway CEO Suzanne Greco (left).
Photo by Bizuayehu Tesfaye/Invision for SUBWAY Restaurants/AP Images
  • Subway’s CEO, Suzanne Greco, is retiring after 45 years at the company.
  • Subway has struggled in recent years, losing more than 900 locations in the US last year and recently announcing plans to close roughly 500 more in 2018.
  • Many franchisees had previously criticized Greco to Business Insider, saying she was “not qualified” to be CEO.
  • One franchisee told Business Insider on Wednesday that there is a prevailing feeling of “guarded optimism” about Greco’s retirement.

Subway’s CEO is leaving the struggling sandwich chain.

Suzanne Greco, who is the sister of the chain’s late co-founder, Fred DeLuca, announced on Wednesday that she is retiring as CEO.

Greco’s retirement comes at a tumultuous time for the chain.

Subway’s US store count fell by 909 last year. It lost almost three times as many locations as it did the year before. The sandwich chain told Bloomberg last week that it planned to close about 500 of its US locations this year, based on projections.

Franchisees and other internal Subway…