Todd Berrier is Kevin Harvick's crew chief in the NASCAR Sprint Cup Series for Richard Childress Racing. He joined RCR in 1997 as crew chief in the Craftsman Truck Series for Jay Sauter. Berrier and Sauter stayed together for three years, winning four times. In 2000, Berrier was first united with Harvick in the Busch Series, where they won three races and Harvick was named Rookie of the Year. They won the championship together the following season. They then separted a for a few seasons as Harvick drove the #29 in Cup while Berrier worked as the crew chief for another RCR team, before coming back together in mid 2003. Berrier came under some controversy in 2005 when he used an unapproved fuel modification in qualifying for the Las Vegas Sprint Cup Race.