In late 1976 he got the chance to move east with Roland Wlodyka who was forming a Cup team, initially living in a trailer on the property at Charlotte Motor Speedway.

Osterlund bought the team in late 1977, and campaigned it with Dave Marcis in 1978, followed by Dale Earnhardt who went on to win the NASCAR Winston Cup Rookie of the Year in 1979.

In Cup, he has also been a crew chief for Brian Vickers, Robby Gordon and three seasons with Greg Biffle helping him earn 10 wins.

[2][3] In the NASCAR Camping World Truck Series, Richert served as crew chief for three-time champion Ron Hornaday Jr. and 2003 Rookie of the Year Carl Edwards.

However, MMM shut down mid-year, leaving him without a job until he quickly reunited with Max Tullman (one of the drivers he crew chiefed in ARCA that year) after he started his own new Xfinity team, Tullman-Walker Racing.