Joe Paterno has been the head coach of Penn State for 43 seasons.
The 2008 season is Joe Paterno's 59th as an assistant coach or head coach at Penn State. He was an assistant from 1950-1965 and took over as head coach in 1966.
He has been an assistant coach since 1989 with the Eagles; he became a head coach in 1994 of the Oilers. He held the head coaching job until the end of the 2010 season.
Mike Smith has been the head coach of the Atlanta Falcons since the beginning of the 2008-2009 NFL Regular Season.
After leaving Wales as head coach he went to be the defensive coach of the Blues in the Super 12. In 2003 he was appointed head coach of the New Zealand team
Five Years, from 2006-Present
The 2009 season will be Urban Meyer's 5th as head coach of the Gators. He took over in 2005.
Mike Krzyzewski has been the head coach at Duke since 1980, so about 28-29 years!
Bill Cowher was the head coach of the Pittsburgh Steelers for 15 years (1992-2006).
Bill Cowher was the head coach of the Steelers for 15 seasons. Bill coached from 1992-2006.
The average football head coach usually lasts about 4 seasons. The reason it is so low is because of the often unsuccessful season of a new head coach.