At about 1050, he appears as the leader of the Norman mercenaries under Nikephoros Bryennios the Elder and one of the Greek's two chief lieutenants. In the same year, he and Katakalon Kekaumenos were defeated by the Pechenegs near the Danube.
Around 1050, he was the leader of the Norman mercenaries under Nikephoros Bryennios the Elder and one of the Greeks' two main lieutenants. In the same year, he and Katakalon Kekaumenos were defeated by the Pechenegs near the Danube.