Ben Leslie is an American auto mechanic. He currently serves as the crew chief of the #6 Ford Fusion fielded by Roush Fenway Racing in the NASCAR Nationwide Series. He is the younger brother of former Auto Racing Club of America champion and NASCAR driver Tracy Leslie. Leslie joined NASCAR in 1994 as a mechanic and tire changer on Ted Musgrave's car owned by Roush Racing. Later he would go on to hold the same position on Mark Martin's car. In 1998, he moved to Roush's new team, the #26 Cheerios Ford driven by Johnny Benson. Originally serving as the team's car chief, he was promoted to interim crew chief midway through the season and had a pair of ninth-place finishes with Benson. After spending the first part of the 1999 season with Benson, he became the car chief of Matt Kenseth's car, and the team won Rookie of the Year honors in 2000. After several races in 2001, Leslie was moved to the crew chief position of the #97 team driven by rookie Kurt Busch. Leslie and Busch won the pole at the Mountain Dew Southern 500 and had five top-ten finishes. At the end of the season, he was moved again to Mark Martin's team. They won the Coca-Cola 600 but lost the championship by 38 points.