Sonja co-founded the Preucil School of Music in 1975 as Assistant Director and was named Director of August 1997. She is an honors graduate of the University of Iowa School of Music. As a member of the Preucil School of Music faculty, she teaches violin, viola, coaches string quartets and conducts string orchestras. She is a registered Teacher Trainer for the Suzuki Association of the Americas and travels throughout the United States as a clinician at Suzuki Institutes and Workshops. She has served on the Board of Directors of the Suzuki Association of the Americas.