Sean Steur

Early life and youth

Born in Purmerend, Steur began his football career at RKAV Volendam. In 2016, he moved to the youth academy of Ajax, where he progressed through the various age groups.

Ajax

Steur made his professional debut with Jong Ajax on 10 May 2024, appearing as a substitute in a 4–1 Eerste Divisie loss to Jong AZ. Following his breakthrough into the reserve squad, he signed his first professional contract with Ajax on 20 August 2024, binding him to the club until June 2027. During the 2024–25 season, Steur began training with the first team and made his Eredivisie debut. His development continued into the 2025–26 season, where he saw increased playing time with the senior squad, including an appearance in the UEFA Champions League. In recognition of his progress, Ajax announced a further contract extension for Steur on 14 August 2025. Steur received significant media praise following his performance in De Klassieker against rivals Feyenoord. At just 17 years old, he was commended for his maturity and composure in the high-pressure fixture, with observers noting his impact at an age when most players are yet to reach the first team. In an interview with NOS, Steur cited his ability to adapt quickly to the higher level of play as a key factor in his rapid promotion.

Newcastle United

In July 2026, Steur joined Premier League side Newcastle United on a five-year deal.

Steur is a youth international for the Netherlands. He has represented the nation at under-15 and under-16 levels, and later progressed to the under-17 and under-18 teams.

As of 8 September 2026

Steur comes from a footballing family; he is the son of Johan Steur and the younger brother of Roy Steur, a goalkeeper who plays professionally for Volendam. Sean has expressed a strong desire to one day play professionally alongside his brother.