 Parcells took on the roll of athletic director at the beginning of the 2015 school year, succeeding former A.D Heath Rollins.Since Parcells move from Sutton High school, he has helped guide Dover Sherborn teams to multiple state and league titles across a variety of sports.Dover-Sherborn has won Tri-Valley League and Mass Bay East League titles dating back to the early 1970s, and has won ten state championships over the course of its history