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.