- since 01/2003
researcher at ZAS Berlin - 2000 - 2002
researcher at U Leipzig in a joint project with ZAS Berlin - 1996 - 1999
researcher at the Centre of General Linguistics (ZAS) Berlin - 1991 - 1995
researcher at Forschungsschwerpunkt Allgemeine Sprachwissenschaft der Förderungsgesellschaft wissenschaftliche Neuvorhaben m.b.H. - 1987
Doctoral degree "Die Spezifik situativer Ellipsen" at the Central Institute for Linguistics at the Academy of Sciences of the GDR (ZISW) - 09/1977 - 1990
researcher at the ZISW