Darmstädter Ferienkurse
Haas completed two years of postgraduate studies at the University of Music and Performing Arts Vienna with Friedrich Cerha, participated in the Darmstädter Ferienkurse (1980, 1988 and 1990), and the computer music course at IRCAM (1991). He received a fellowship from the Salzburg Festival (1992–93), was awarded the Sandoz Prize (1992) and a music grant from the National Ministry of Science, Research, and Culture (1995). His works have been on the programs of the following festivals: Wien Modern (Vienna), Musikprotokoll (Graz), Witten, Huddersfield, Royaumont, Venice Biennale, Festival d'Automne (Paris), as well as at the Darmstädter Ferienkurse and the Salzburg Festival 2011. Since 2005, he has lectured at the Hochschule in Basel, Switzerland; since 2013, he has been a professor of composition at Columbia University, New York.