Simon de Senlis was a notable figure in the medieval period, primarily recognized for his role as the first Bishop of Durham after the Norman Conquest of England. He served from around 1080 until his death in 1096, playing a significant part in the establishment of the church's authority in the region. His leadership helped shape the early Christian community in Durham. In addition to his ecclesiastical duties, Simon de Senlis was also involved in the political landscape of his time. He was a close associate of William the Conqueror and contributed to the consolidation of Norman power in England. His influence extended beyond the church, impacting the governance of the region.