Armelle Guittier has been the Responsable Marketing Opérationnel / Expérience Clients at Groupe Le Duff since October 2017, working within the Marketing and Digital direction of Café Bakery. Responsibilities include overseeing operational marketing for restaurants, enhancing customer experience through strategic digital initiatives, and managing local marketing activities. Prior to this role, Armelle served as Chef de projet senior Marketing et Digital and Chef de projet Marketing Ciblé at Carrefour from February 2009 to October 2017, where tasks involved coordinating customer programs, executing targeted marketing operations, and managing budget and communications. Earlier experience includes roles at Carrefour and Cerland, along with a Master’s degree in Marketing and International Management from Université Rennes 2, earned in 2008.