Peter Jarůšek is active in the fields of chamber performing and solo cello. From 1999 – 2003, he was a member of the Škampa Quartet (with Pavel Fischer – violin, Jana Lukášová – violin, and Radim Sedmidubský – viola); since 2002, he has played with the Pavel Haas Quartet (with Veronika Jarůšková – violin, Katerina Gemrotova – violin, and Pavel Nikl – viola), as well as other ensembles. He has played in chamber groups with Hamar Golan – piano; Michael Collins – clarinet; Kathryn Scott – vocals, guitar; Nikolaj Demidenko – piano; Melvyn Tan – piano; Janine Jansen – violin; Dame Anne Evans – vocals, and Ronald van Spaendonck – clarinet. As a soloist, he has worked with the Slovak Philharmonic, the Talich Chamber Orchestra, the Prague Chamber Philharmonic, and others. He has performed at international music festivals in Edinburgh, Aldeburgh, Cheltenham, and Warwick (Great Britain); Saint-Nazaire and Luberone (France); Amsterdam (Holland); Istanbul (Turkey), and Melbourne (Australia). He has also played concerts at the Wigmore Hall (London); the Concertgebouw (Amsterdam); the Kaufman Hall (New York); the Symphony Hall (Sydney); the Gate Theatre (Dublin); the Konzerthaus (Vienna), and the Rudolfinum (Prague).
Despite his youth, he is a highly sought-after expert in the fields of education and chamber music. From 2001 – 2003, he worked at the Royal Academy in London as a guest professor of chamber music. He has headed master classes at the Concertgebouw Amsterdam (1999 and 2003), the University of Tasmania (1999), the University of Mexico City (2001), and the Academy of Performing Arts in Bratislava (2002).