He joined the Crusaders after spending the previous six years as an assistant coach and offensive coordinator at the University of Maryland.

Reppert earned his first win as a head coach with an 11-10 victory over Sacred Heart in the season-opener on February 27, 2021. Under Reppert’s tutelage, Chris Conlin earned All-Patriot League Second Team honors, Patriot League All-Academic Team laurels and All-New England Second Team honors. Conlin also led the nation, averaging 3.17 caused turnovers per game.

Over six seasons, Reppert helped lead the Terrapins to four NCAA Final Fours, four Big Ten regular season titles, two Big Ten Tournament championships and three appearances in the NCAA championship game, including the 2017 national championship. He turned Maryland’s offense into one of the top units in the nation, ranking in the top 20 in the country in scoring offense in each of the last four years.

During his time at Maryland, Reppert developed 16 All-Americans and nine Major League Lacrosse draft selections, while coaching Maryland’s first-ever Tewaaraton Award winner in Matt Rambo (2017). Reppert also helped guide the careers of two other Tewaaraton finalists in Connor Kelly (2018) and Jared Bernhardt (2019).

In 2020, Reppert’s offense ranked fourth in the nation in assists per game (10.0), ninth in points per game (25.7) and 10th in scoring (15.7), while three of his players, Bernhardt, Logan Wisnauskas and Anthony DeMaio, earned All-America honors. The Terrapins posted a 5-1 overall record and were ranked No. 4 in the nation before the season ended prematurely due to COVID-19.

During the 2019 campaign, Bernhardt and Wisnauskas became the first Terrapin duo to both score over 70 points in the same season under Reppert’s tutelage. The Terrapins also had one of the nation’s most efficient offenses, ranking third in shooting percentage (35.1%). Maryland finished the season with an overall mark of 12-5 and advanced to the NCAA quarterfinals.

In 2018, Reppert’s offense scored 210 total goals, the ninth-most in school history, led by Kelly with 82 total points. The Terrapins went 14-4 overall, won the Big Ten regular season title and advanced to the NCAA Final Four.

Reppert helped Maryland win the 2017 national championship with an overall record of 16-3, in addition to claiming the Big Ten regular season and tournament titles. The Terrapins’ offense ranked 10th in the nation with an average of 12.5 goals per game, with Rambo winning the Tewaaraton Award.