Berthold of Garsten was a 12th-century Benedictine monk and abbot who lived in what is now Austria. Born around 1060, he served as a subprior at Sankt Blasien before being called to lead the development of Garsten Abbey. There, he implemented strict monastic reforms and served as the community's first abbot. Known for his deep piety and administrative skill, he acted as a spiritual advisor to Emperor Conrad III and was celebrated for his dedication to the poor and pilgrims.