|Title:||Interim Head Coach|
Bob Castle takes over as Whitworth's interim softball head coach for 2019-20. Castle was an assistant coach for previous head coach Cristal Brown from 2015 through 2018. During that time he was part of three consecutive Northwest Conference titles (2015, 2016, 2017). Castle also worked as a softball umpire for 14 years, including 11 years at the collegiate level. He umpired games in the Big Sky Conference, Western Athletic Conference and Pac-12.
Castle has served as the general manager of the Kalispel Golf and Country Club since May 2016. He had previously been Whitworth's Assistant A.D. for corporate partnerships and sponsorships and served as the radio voice of Pirate football and basketball for 18 years.