Cleveland was eliminated from the NBA Playoffs by the Boston Celtics on May 15. The Cavaliers fell to the Celtics in five games in a best-of-seven series in the Eastern Conference Semifinals.
“J.B. is a well-respected NBA coach and an incredible human-being,” Cavaliers president of basketball operations Koby Altman said in a statement.
“Over the past four years, he helped establish a culture that progressively drove players to become the best versions of themselves. Decisions like these are never easy, particularly when you look back at where this franchise rebuild started under his leadership.
The NBA is a unique business that sometimes requires aggressive risk-taking to move a franchise forward and ultimately compete for championships.
We owe a ton of gratitude for everything J.B. has contributed to the Cavaliers and his engagement in the Cleveland community. We wish J.B., his wife Nikki and their three children the best in their future endeavors.”