At the University of Music and Performing Arts Vienna he completed his studies in concert and pedagogy with Werner Tripp and Wolfgang Schulz.
Subsequently, he studied postgraduate with Peter Lukas Graf at the City of Basel Music Academy.
In 1987 Kofler became principal flutist in the international Gustav Mahler Jugendorchester under Claudio Abbado.
Since 1989 he has been teaching flute at the Mozarteum University Salzburg, as the youngest professor in Austria at the age of 23.
Kofler has performed as a soloist with over 90 internationally renowned orchestras such as the Academy of St. Martin in the Fields, the Amsterdam Sinfonietta [nl], the Philharmonic, and Symphonic Orchestras of Munich, Calgary, Prague, Tokyo, Kyoto, Ljubljana, Zagreb or the Zagreb Soloists under conductors such as Massel, Levine, Luisi, Kitajenko, Brüggen, Koopman, Graf, Nott and others and has performed at various festivals.