Maddisen Bieber joined the Muhlenberg coaching staff in the summer of 2023 and was named interim head coach in the summer of 2026.
Bieber was part of a unit that was named Centennial Conference coaching staff of the year and National Fastpitch Coaches Association Region V coaching staff of the year in 2026 after leading the Mules to one of the best seasons by any team in the College's athletic history.
Muhlenberg finished the 2026 campaign with a 36-13, setting a school record for wins in a season by any sport. The Mules received an at-large bid to the NCAA Tournament and won a regional for the first time in program history, going 3-0 against two nationally ranked teams.
In the super regional at Trine, Muhlenberg pushed the defending Division III national champions to the brink, winning the first game of the best-of-three series and taking the decisive third game to the 11th inning before falling. Trine went on to reach the Division III championship series.
Bieber coached third base and was responsible for giving the signals for stolen bases and bunts for an exciting offense that hit .342 and averaged more than five runs per game. She helped the Mules steal 140 bases, shattering the previous school record of 107. Muhlenberg led the CC and ranked 26th in Division III in stolen bases per game.
Bieber was a standout infielder at nearby Moravian University, compiling a .365 career batting average with five home runs and 80 RBI. She was the 2019 Landmark Conference player of the year after ranking 15th in Division III with a .487 batting average. Bieber earned all-region honors at shortstop that year and at third base in 2021. She also was named to the Academic All-District team as a senior in 2022.
Bieber graduated from Moravian in 2022 with a bachelor's degree in sports management and spent the 2023 season as an assistant coach at Elizabethtown College. She earned her master's in applied analytics from Muhlenberg in 2026.
