[2] He served as the head coach for the Boston Celtics of the National Basketball Association (NBA), during the latter part of the 2003–04 season, temporarily replacing Jim O'Brien, who had resigned.
Carroll was a four-year starter at Dickinson College in Carlisle, Pennsylvania, where he earned a degree in psychology in 1977.
He compiled a 73–98 career record with one winning season, in 1993–94, when the Dukes went 17–13 overall and 8–8 in the Atlantic 10 Conference.
Carroll was the Atlantic 10 Coach of the Year for the 1990–91 season after leading the Dukes to a 10–8 conference record.
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