Pierre Kalulu is a French professional footballer who plays as a defensive midfielder for AC Milan in Serie A and the Italy national team. He was born on March 29, 1995, in Paris, France.

Kalulu began his career with local club Paris Saint-Germain before moving to AS Monaco in 2014. He made his debut for the club in the Ligue 1 season of 2015-2016 and quickly established himself as a key player for the team.

In January 2017, Kalulu joined Ligue 1 side Montpellier HSC on loan, where he continued to impress with his defensive skills and tactical awareness. In the summer of 2018, he signed a permanent deal with Montpellier and helped them win the Ligue 1 title that year.

Kalulu's performances caught the attention of Italian giants AC Milan, who signed him from Montpellier for €25 million in July 2019. Since joining the Rossoneri, he has established himself as one of their most important players, contributing defensively and providing cover for the central defenders.

Kalulu is known for his work rate, discipline, and physicality on the pitch. His versatility allows him to play anywhere along the midfield line, making him a valuable asset to any team. He also possesses excellent technical skills and a strong passing range, which helps him control the game and dictate play.

Overall, Pierre Kalulu is a talented and promising young player who has already made a name for himself in European football. With his consistent performance and dedication, he is likely to continue improving and becoming a key player for AC Milan and the Italy national team in the future.