© ALLEGRAMatthias Weilenmann was born 1956 in Zurich and began his studies there. 1974-1982 he studied in Zurich, Winterthur, and Amsterdam, where he received his soloists's diploma cum laude. Among his important recorder teachers were Conrad Steinmann, Kees Boeke, and particularly Walter van Hauwe. His studies were augmented with musicology and art history. He received important impulses from Nikolaus Harnoncourt, under whose direction he has played since 1975 in various orchestras (Zurich opera, Concertgebouw Orkest Amsterdam, Concentus musicus Wien). He has also collaborated with conductors such as Marc Minkowski, William Christie, Franz Welser-Möst, and Adam Fischer. As a soloist and chamber musician, such as in the ensembles ASPECTE and BROKEN CONSORT as well as duo partner of the lutenist Joachim Held, and as instructor he pursued an intense concert and teaching career in Europe, USA, and Taiwan. Radio and CD recordings document his activities. In recent years he has initiated larger music theater projects such as Martin Derungs' "Cinderella" and Gianotti's "Ein Hort" and premiered works in various distributions by U. Gasser, M. Turkmani, M. Käser, R. Kelterborn, E. Roth etc. He is director of the Zurich baroque orchestra musica inaudita since 2003 and guest conductor of other early music ensembles. 1982-1988 he led the Zurich recorder courses with Walter van Hauwe. 1982 he began as instructor at the Zurich University of the Arts, chairing its early music department since 1998 and promoted to professor in 2004. 1986-1996 he was on the board of the International Bach Society Schaffhausen and 1994-2005 on the board of the Forum for Early Music Zurich. He was a member of the music commission of the city of Zurich 1994-2006.