Kaj Sierhuis, born on April 27, 1998, in Athens, is a Dutch footballer renowned for his role as a center forward. In August 2023, Sierhuis completed a transfer from Stade Reims to Fortuna Sittard, marking an exciting chapter in his career. Sierhuis's professional journey commenced when he inked his inaugural contract with AFC Ajax on August 5, 2016, extending through the summer of 2019. Notably, the opportunity for Jong Ajax players to join the senior team provided Kaj Sierhuis with a platform in the developmental squad overseen by Marcel Keizer. His entry into Dutch professional football transpired on November 25, 2016, as he made a remarkable debut during a 2-1 home victory against Telstar, entering the match with 12 minutes remaining. Sierhuis's promising trajectory continued under the tutelage of AFC Ajax 1's new head coach, Erik ten Hag.. After that he made a stunnishing move to Reims where he played 2 season and now he is back in Holland with Fortuna Sittard.