Thomas Joseph "Tom" Thibodeau, Jr. (pronounced THIB-a-doe; born January 17, 1958) is an American basketball coach who last coached the Chicago Bulls.As a defensive coach, he helped the Houston Rockets rank among the Top 5 in the league in scoring defense and field goal percentage defense from 2004 to 2007, and has helped his team finish in the league's Top 10 in team defense 15 times.