Teun Koopmeiners

AZ

Koopmeiners grew up in Castricum, North Holland, and took his first steps in football as a youth player for the local club, Vitesse '22. In 2009, he joined the AZ youth academy at under-12 level. He eventually progressed through the ranks, and as part of the club's reserve team, Jong AZ, he became champion of the Dutch third division in the 2016–17 season, reaching promotion to the Eerste Divisie. On 18 August 2017, Koopmeiners made his professional debut for Jong AZ in a 3–1 away win over FC Den Bosch. He made his first team-debut on 1 October, coming on as a substitute for Alireza Jahanbakhsh for the final 30 minutes of a 4–0 home loss to Feyenoord. At the end of the 2017–18 season, AZ ended in third place, and thereby qualified for Europa League. In his first professional season, he made 26 league appearances in which he scored one goal. On 1 March 2020, Koopmeiners played a 70-metre pass to set up Oussama Idrissi for AZ's second goal in a 2–0 win against Ajax which put his side level on points with Ajax. During the 2019–20 AZ Alkmaar season Koopmeiners scored 16 goals in all competitions in 42 appearances, helping his side finish second in the Eredivisie on goal difference behind the Champions AFC Ajax. He scored his first goal of the 2020–21 season against Viktoria Plzen on 26 August 2020 in the UEFA Champions League qualifier 3–1 victory. On 14 January 2021, Koopmeiners scored two goals, including an audacious backheel flick, to help his side clinch an 3–1…

Koopmeiners made four appearances for the Netherlands national under-17 team, as well as two appearances for the national under-18 team. As part of the under-19s, he played at the 2017 UEFA European Under-19 Championship, reaching the semi-finals and only losing to Portugal. At under-19 level, Koopmeiners made 13 appearances. After five appearances for the Netherlands Under-20 team, he made his debut for the national under-21 team on 22 March 2018 in a 4–1 loss in Doetinchem to the Belgium U21. On 19 August 2020, Koopmeiners was called up to the senior Netherlands national team by caretaker manager Dwight Lodeweges in the preliminary squad for the UEFA Nations League fixtures against Poland and Italy. The same year in October, he debuted in a friendly match against Mexico. He made his competitive debut in a 2022 FIFA World Cup qualification against Turkey on 7 September 2021, contributing with an assist in a 6–1 victory. Koopmeiners scored his first senior national team goal in a UEFA Nations League match against Wales on 8 June 2022. In the 2022 World Cup quarter-final against Argentina, known as the Battle of Lusail, Koopmeiners assisted former AZ teammate Wout Weghorst with a clever free-kick routine in the 11th minute of stoppage time to send the fixture to extra time. He then scored his penalty in the subsequent shoot-out but could not stop the Netherlands from being eliminated 4–3. On 29 May 2024, Koopmeiners was named in the Netherlands' squad for UEFA Euro 2024.…

Koopmeiners can play as a defensive midfielder or central midfielder. He can also play as a centre-back. He is known for his leadership qualities, and captained AZ Alkmaar despite his young age.

His younger brother Peer is also a professional footballer; Peer still plays for AZ.