The Chicago Bulls are expanding their coaching staff by adding Rex Kalamian, Jonah Herscu, and Blake Ahearn as assistant coaches.
Kalamian brings decades of NBA experience, having previously served as an assistant with the Milwaukee Bucks, Detroit Pistons, Sacramento Kings, Los Angeles Clippers, Toronto Raptors, Oklahoma City Thunder, Minnesota Timberwolves, and Denver Nuggets.
Herscu joins Chicago after working as the head coach of Portland’s G League affiliate. He has also held assistant coaching roles with the Portland Trail Blazers and Sacramento Kings.
Ahearn arrives following his stint as an assistant coach with the Memphis Grizzlies. He also previously served as head coach of the San Antonio Spurs’ G League affiliate.
Sources: The Chicago Bulls will add Rex Kalamian, Jonah Herscu, and Blake Ahearn as assistant coaches.
Kalamian was an assistant coach for the Bucks, Pistons, Kings, Clippers, Raptors, Thunder, Timberwolves, and Nuggets.
Herscu was Portland’s G League head coach and assistant… pic.twitter.com/SpkTMP6FbE
— Michael Scotto (@MikeAScotto) July 14, 2026
