Stefan Östersjö is Chaired Professor of Musical Performance at Piteå School of Music, Luleå University of Technology. He received his doctorate in 2008 for a dissertation on musical interpretation and contemporary performance practice. Östersjö is a leading classical guitarist specialising in the performance of contemporary music. As a soloist, chamber musician, sound artist, and improviser, he has released more than thirty CDs and toured Europe, the USA, and Asia. He has collaborated extensively with composers and in the creation of works involving choreography, film, video, performance art, and music theatre.