The Salesian Society, officially known as the Society of Saint Francis de Sales, is a Roman Catholic religious institute founded by Saint John Bosco in 1859. Its primary mission is to educate and evangelize young people, especially those who are poor and marginalized. The society emphasizes a holistic approach to education, combining spiritual, moral, and academic development. Members of the Salesian Society, known as Salesians, work in various settings, including schools, youth centers, and parishes. They follow the educational philosophy of Preventive System, which focuses on reason, religion, and loving-kindness to guide youth towards positive development and personal growth.