Keiser University Athletics

Kaestner File

• Entering her third year with the Seahawks as an assistant coach and pitching coach.
• Helped guide Keiser to its first Sun Conference Tournament Championship and second consecutive NAIA Opening Round appearance in 2026.
• Mentored NAIA Third Team All-American and First Team All-Sun Conference pitcher Mackenzie Masternak.
• Oversaw a pitching staff that posted a 2.02 ERA and recorded 14 shutouts during the 2026 season.
• Guided Masternak to a program-record 27 wins and the lowest career ERA in school history (1.94).
• Helped develop a staff that finished the season with a 46-10 record and played a key role in Keiser's program-record 46 victories.
• In 2025, guided the Seahawks pitching staff to program records in ERA and strikeouts.

Pre-Keiser
Before coming to Keiser, Kaestner was an assistant coach at Bellevue College in Bellevue, Washington. She arrived at Bellevue in 2023 after spending three years in Hawai’i as a pitching coach at Kamehameha Schools (September 2021 – May 2023) and head softball coach at Oahu Baseball Academy (August 2021 – August 2023).
 
Kaestner was a four-year letterwinner at Concordia University Saint Paul, appearing in 103 games in the circle for the Golden Bears. An All-NISC Second Team honoree as a senior, Kaestner won 38 games during her career in 43 starts. She posted 299 strikeouts for her career while recording seven saves – five in 2019 (the most in a season in CSP history).

Personal
A two-time NISC All-Academic Team member, Kaestner earned a bachelor's degree in elementary education in 2019 from Concordia University Saint Paul and was awarded her master’s in education from her alma mater in 2021.