Jon Corzine | Jon Stewart | Jon Pertwee | Jon Anderson | Jon Voight | Jon Krakauer | Jon | Jon English | Jon Bon Jovi | Jon Vickers | Jon Lord | Jon Langford | Jon Brion | Jon Huntsman, Jr. | Jon Faddis | Jon Tester | Jon Ronson | Jon Fishman | Uli Jon Roth | Jon Foreman | Jon Hendricks | Jon Fosse | Jon St. James | Jon Spencer Blues Explosion | Jon Postel | Jon Lovitz | Jon Lech Johansen | Jon Lebkowsky | Jon Christensen | The Jon Stewart Show |
Also he took part in lessons and masterclasses with Edith Picht-Axenfeld, Johannes Geffert, Edgar Krapp, Bernhard Haas, Christopher Stembridge, Jon Laukvik, Martin Haselböck, Olivier Latry and others.