Alexander Sauli was a 16th-century Italian priest and bishop belonging to the Barnabite order. Born into a noble family in Milan, he dedicated his life to religious service and theological education. He is widely recognized as the "Apostle of Corsica" due to his extensive missionary and administrative work in that region. Throughout his career, he served as the Bishop of Aléria and later as the Bishop of Pavia, leaving a significant impact through his innovative teaching methods and pastoral leadership.