Derwinger has been soloist with the major Scandinavian orchestras, The Belgian Radio Symphony Orchestra, The Nieuw Sinfonietta Amsterdam, The Residentie Orchestra Den Haag, The Radio Philharmonie Hannover des NDR, The Philharmonia Orchestra and others. He has collaborated with conductors such as Myung-Whun Chung, Jun`ichi Hirokami, Paavo Järvi, Lev Markiz, V. Sinaisky, Leif Segerstam etc. He has participated in a number of prestigeous festivals such as Oviedo Piano Festival, Kilkenny Art Festival, Aldeburgh Festival, Montreal Festival of Lights, La Folle Journée Nantes, Yuri Temirkanovs winter festival St Petersburg, Kuhmo Chamber Music Festival etc. Derwinger also devotes a great deal of attention to chamber music, contemporary music and the Lieder-repertoire. He is a member of the contemporary ensemble “MA “both as a pianist and conductor. As a conductor he successfully performed Morton Feldmans Opera “ Neither”, one of the highlights of the international Festival “Stockholm new Music” together with the Norrköping Symphony Orchestra. Dewinger is also the regular pianist of the world-famous soprano Barbara Hendricks. He has made over thirty recordings on the labels BIS, CPO and others including his critically acclaimed performances of the original version of the Grieg Piano Concerto and Max Reger Piano Concerto.