Coach Retzlaff has forged the Athenas tennis team in a perennial SCIAC power and one of the best teams in the nation. 2011 saw her team win their 13th SCIAC title and Kristin Lim become the first Athena to win the NCAA Singles Title.  Her 2006 squad finished third in the nation, the best finish by any CMS women's team in any sport. A great player in her own right she was on scholarship at St. John's and was the team MVP in both 1982 and 1984. After graduating she played for the US Maccabi team from 1987-91 and won two golds (in Australia) and a bronze (in Venezuela).

Retzlaff's coaching career began at Brooklyn College where she coached for four years before taking time off to get her Master's degree. After earning her M.S. she started at CMS and began the Athenas tennis emmergence. She lives in Claremont with her husband Steve and their sons, Ryan, Jacob and Daniel.