Emperor Alexios I Komnenos was the Byzantine Emperor from 1081 to 1118. He is known for his efforts to stabilize the Byzantine Empire during a time of crisis, facing threats from the Seljuk Turks and the Normans. His reign marked the beginning of the Komnenian dynasty, which brought significant military and administrative reforms. Alexios I is also notable for initiating the First Crusade by appealing to Western Europe for help against the Muslim forces. His diplomatic skills helped to forge alliances, and he played a crucial role in the interactions between the Byzantine Empire and the emerging powers of Western Europe.