Brian Keselowski (born September 2, 1981) is an American professional driver. He previously competed part-time in the NASCAR Camping World Truck Series, driving the No. 29 Ford F-150 for Brad Keselowski Racing.

Born in Rochester Hills, Michigan in 1981, Brian Keselowski is the older brother of 2012 NASCAR Sprint Cup Series champion Brad Keselowski, and the son and nephew of former drivers Bob and Ron Keselowski, respectively.

He graduated from Rochester High School in 1999, taking night classes to allow him to work as a jackman for the family racing team, K-Automotive Motorsports; he flew to the racetrack directly from his senior prom to assist in competition. He began his racing career competing in super late model events, winning rookie-of-the-year at Auto City Speedway in 2000.

Keselowski made his stock car debut in the ARCA RE/MAX Series in 2004. He made six starts that season, driving the #29 Competition Graphics Dodge for Bob Ducharme. He had three top-tens, including a ninth-place run in his debut at Kentucky Speedway, and finished 34th in points. The next season, the team was purchased by his family, and he ran seven races including a string of five consecutive top-ten finishes. In 2006, Holloway Motorsports and Dusty's Collision became the sponsors of his car, and he won his first race at Berlin Raceway. Keselowski also made his NASCAR Busch Series (later renamed the NASCAR Nationwide Series) debut that year at Phoenix in the #23 Ridley Motorcycles Chevrolet for Keith Coleman Racing, starting and finishing in 43rd place. He had intended to compete at Auto Club Speedway in Fontana, California, but was not approved to run at the 2-mile (3.2 km) track; his brother Brad drove the race instead, jump-starting his career.

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