Chmura has been with ESPN Milwaukee as a host of the Miller Lite Football Show since September of 2004. 

Chmura played for Boston College. He was then drafted by the Green Bay Packers in the 1992 NFL draft. He played for the Packers from 1993-1999 was selected to the Pro Bowl in 1995, 1997, and 1998. Chmura played in Super Bowl XXXI and Super Bowl XXXII. In 2010, he was inducted into the Green Bay Packers Hall of Fame.

Karmazin has been the co-host of The Miller Lite Football Show with Mark Chmura since 2006. He has hosted sports talk shows in Wisconsin since the debut of The Steve and Craig Show in Madison in 1998. 

He is also the founder and President/CEO of Good Karma Broadcasting, which owns and operates eleven radio stations in Wisconsin, Illinois, Florida and Ohio. The company is headquartered in Beaver Dam, Wisconsin and founded in 1997.