On August 13, the Boston Celtics underwent a major management change before the start of the 2025-26 season. Vic Grousbeck, who had originally planned to continue as the team's manager, will end his term in this role early and hand over management power entirely to new owner Bill Chisholm.

Earlier this year, the Celtics sold the team to Chisholm, a lifelong Celtics fan who publicly expressed his desire to lead the team to more championships. Initial reports indicated that Grousbeck would remain as the team's front office through 2028, overseeing major team decisions during that time. However, according to ESPN 's Shams Charania and Ramona Shelburne , Grousbeck will fully exit management and will no longer hold a leadership role once the trade is officially completed.

This situation is similar to the recent Dallas Mavericks management shakeup, where Mark Cuban planned to continue to run basketball operations after selling the team, but ultimately fell through. Now, Chisholm clearly wants to take full control of the Celtics' future.

Grousbeck led the team to two championships during his tenure and demonstrated a commitment to spending lavishly in 2024. Chisholm's first offseason commitment to keeping the salary cap below the NBA's second-highest luxury tax level represents a departure from his predecessor's strategy. With Jayson Tatum sidelined for the season due to a ruptured Achilles tendon, the Celtics are unlikely to hit the luxury tax this year.

As for basketball matters, President of Basketball Operations Brad Stevens will continue to fulfill his responsibilities. Regardless of the budget, he will be committed to building a competitive roster. How Boston can maintain its success amidst the changes in the new season will be a key focus for the NBA.