In August 2022, Luschenat was hired by the Boston Celtics as a player development coach under head coach Ime Udoka.[6]
From 2022 until 2024, Luschenat worked as a player enhancement coach for the Celtics under head coaches Ime Udoka and Joe Mazzulla. During his tenure as a player enhancement coach, Luschenat and the Celtics went to the NBA Finals in 2024 and won the 2024 NBA championship.
In 2024, Luschenat was promoted to the role of assistant coach under head coach Joe Mazzulla.[7]