Hassan’s transfer from Real Oviedo came after his remarkable appearance with the Egyptian national team in the 2026 World Cup, which put him on the radar of a number of clubs.
O’Neill told Celtic’s official website: “We are very happy to include Haitham, and I think the club has done well to sign a player of this quality, especially in light of the interest of other clubs in him.”
He added that the player has the capabilities and experience to provide a distinguished performance locally and internationally, expressing his confidence that Celtic fans will enjoy the vitality and attacking flair that he will add to the team.
O’Neill concluded by saying that Hassan is excited to start his new experience, hoping that he will become an important element in the Celtic squad during the next stage.