Terrence Edwin Roof Jr. (born December 11, 1963) is an American football coach and former player who is the defensive coordinator and linebackers coach at the University of Oklahoma. He previously served as a defensive analyst at Clemson University, where he worked with Oklahoma head coach Brent Venables. Prior to that, Roof was the defensive coordinator at Vanderbilt University. Roof served as the head football coach at Duke University from 2003 to 2007, compiling a 6–45 record. A former standout at linebacker for Georgia Tech, Roof was the defensive coordinator at Georgia Tech for two stints, from 1999 to 2001 under George O'Leary and 2013 to 2017 under Paul Johnson.Noted for his highly aggressive defenses, Roof has also been the defensive coordinator at the University of Minnesota and at Auburn University, winning the 2011 BCS National Championship Game with the latter. Early life and family Roof attended Central Gwinnett High School and earned his bachelor's degree in management from Georgia Tech in 1987. Roof is married to Pam Ash-Roof of Fayetteville, Georgia, and the couple have twin boys, Terrence Davis and Michael Edwin. Terrence is a linebacker at the University of Oklahoma, and Michael is a quarterback at Charlotte. Playing career After graduating from Central Gwinnett High School, Roof went on to play football for the Georgia Tech Yellow Jackets in 1982. He started his final three seasons and served as team captain while leading the Ramblin' Wreck's famed "Black Watch" defense as a senior. Their success fueled Georgia Tech's run to 9–2–1 in 1985, including a win over Michigan State in the All-American Bowl. Roof was honored as member of the All-America team, was selected to the All-ACC first team, and was named the Defensive Player of the Year by the Atlanta Touchdown Club. He remains among the most prolific tacklers in program history, ranking second for most tackles in a game with 25 against Tennessee in 1985 and seventh on the all-time tackling list with 417. Roof was enshrined into Georgia Tech's Athletics Hall of Fame in 1998. Coaching career Early career Roof began his coaching career as a graduate assistant coach at the University of Alabama in 1987, where he helped on defense before taking his first full-time position as the linebackers coach at the University of West Georgia for the 1989 season. After Steve Spurrier left Duke University in 1990, his successor, Barry Wilson, lured Roof