Complex sentence: The Athletic Director and Head Football Coach at Reicher Catholic High School is Mark Waggoner, who has been there since 1989, has won three Division III Football State Championships in 2005,2007 and 2008.
Split into simpler sentences: The Athletic Director and Head Football Coach at Reicher Catholic High School is Mark Waggoner, who has been there since 1989. Has won three Division III Football State Championships in 2005,2007 and 2008.