Craig Walston has been the Head Softball Coach at MBU since 2006. Walston served in the Meramec Valley School District and the Rockwood School District respectively as a high school mathematics teacher for 16 years.

Walston then spent nine seasons at Webster University where he served as the head softball coach. While at Webster, Walston compiled a 263-90 record over nine seasons with a winning percentage of .750. Walston led his Webster teams to five consecutive NCAA Division III National Tournament bids and he was recognized as a two time Conference Coach of the Year selection and boasts of one Regional Coach of the Year honor. Walston has been recognized for his efforts as he was named an assistant coach in 1996 and head coach in 2000 of the local St. Louis Softball All Stars who faced the United States Olympic team in softball exhibitions.