Irmgard has been playing with the Orchestra of the Eighteenth Century since 1988. From 1994 to 2015, she played with the internationally renowned chamber music ensemble London Baroque, first as first violinist (until the birth of her first child) and subsequently as a violist. Between 2010 and 2013, she taught Baroque violin and viola at the Music Academy of Bydgoszcz in Poland, and later at the Musikhochschule für Musik und Tanz Köln. She currently also teaches the Alexander Technique (ITM) at the latter institution.