Coaching Staff


Troy Ersland is currently the Varsity Boy's Head Coach at Clinton HS in Clinton, IA. He was also the Varsity Boy's Head Coach at Janesville HS in Janesville, IA for two years and Varsity Boy's Head Coach at Columbus Catholic HS in Waterloo, IA for four years. Troy has additional coaching experience as the Head Assistant for the Women's team at Dakota State University.

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jen windmiller

Jen Windmiller is currently the Associate Women's Head Coach at Augustana College in Rockland, IL. Jen was named as Augustana women's basketball Associate Head Coach in 2015. She returned to her alma mater, Augustana, after five years at Blackburn College in Carlinville, Illinois, where she assumed the roles of women's basketball Head Coach, Senior Women's Administrator and Assistant Athletic Director. Jen was also named one of three NCAA Division III representatives to the Women's Basketball Coaches Association (WBCA) Assistant Coaches Committee.


Alvin sims

Alvin has extensive on court basketball experience, playing at the University of Louisville. He emerged as one of the leaders on a Cardinal squad that snapped an 11-year Elite Eight drought in the 1997 NCAA Tournament. Additionally, he is one of the school’s all-time leaders in career steals and ranks third in career dunks. After competing in Greece and China, Sims earned a spot with the Phoenix Suns of the NBA.

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Ruby Mateos

She was part of the University of Santo Tomas Women’s Basketball Team in the Philippines that won Silver at the MILO Best Center Sports in the 90s.  She played in Asia for several years before joining the Grand Forks Air Force Base Basketball Team in the early 2000s. Upon moving to Iowa, she started coaching at All Saints Catholic School, QC Ballers, Coach Up and volunteered for the City of Davenport Parks and Recs, before getting her coaching license and joining the Davenport West High School Lady Falcons Coaching Staff. She joined Swarm 3 season ago and is currently coaching for Assumption Lady Knights at the high school level.


Roger johnson

Roger has coached Girls Varsity basketball in Eastern Iowa for several years. In his four years, as head coach his team won three Conference Championships. In addition, he has worked many youth summer camps including all the old Quad-City Thunder camps and University of Iowa’s legendary Tom Davis’ camps. He currently works with the North Scott Junior Lady Lancers program.