After achieving promotion out of the Serie B under Conte with Siena, the pair accepted the job at Juventus. At Juventus, Alessio enjoyed three consecutive years of Serie A domination, with three league titles and two Italian Super Cups. After three years at Juventus, in which he once managed as caretaker from October 2012 to December 2012, he again joined Conte at the Italy national football team. After a somewhat successful term and Italy's exit out of the Euros, Alessio parted with Italy and again to followed Conte to Chelsea. In January 2019 he confirmed his intention to start a career of his own as a head coach, thus effectively ending his long-time collaboration with Conte.