In 1994 he completed an Erasmus Programme semester abroad at the Bavarian Academy of Sciences in Munich.
From 1995 to 2000 he was active in two Austrian Science Fund projects on the music theoretical sources of the Middle Ages in Austria.
In 1997 he was awarded a doctorate by Walter Pass at the University of Vienna with a thesis on "The musical treatises of the abbot Berno of Reichenau".
Since 2003 he has been working at the Department of Musicology of the Institute for Art and Music Historical Research of the Austrian Academy of Sciences in Vienna.
From 2008 to 2015 he was the scientific director of two FWF projects on medieval music manuscripts at the Austrian National Library in Vienna.