Answer
Ange Postecoglou, the current manager of Celtic, played a pivotal role in bringing Maeda to the Scottish club. Postecoglou, who previously managed the Japanese national team, had a deep understanding of Maeda's talents and recognized his potential to thrive in Celtic's attacking style of play. His decision to sign Maeda proved to be a shrewd move, as the Japanese forward quickly established himself as a key player for the club.