Joe Mazzulla’s wife is Camai Mazzulla. Joe and his wife have established a comfortable life together. They have been married for more than 6 years.

They love to keep their relationship away from the spotlight.

Shortly after graduating college, Mazzulla was offered a coaching job at Nova Southeastern. He turned it down to pursue professional opportunities. He did not find any suitable opportunities.

During the 2016-2017 season, he served as an assistant for the Maine Red Claws of the NBA G League. He was named head coach of Fairmount State in March 2017.

In June 2019, Joe was hired as an assistant coach of the Boston Celtics. Mazzulla was named interim head coach for the Celtics after Ime Udoka was suspended for the entire 2022-23 season on September 22, 2022.