Employment​

September 1974 - February 1978: University of Munich (wissenschaftliche Hilfskraft)

March 1978 – December 1980: Siemens AG Munich (Cobol Compiler maintenance)

January 1981 - September 1985: Logics GmbH Munich (software development)

October 1986- January 1989: freelance work (software development)

January 1989 – January 1996: Softlab GmbH (software development and project management)

February 1996 – June 2012: Microsoft Deutschland GmbH (infrastructure consulting, cloud computing)

July 2012 – March 2022: retired and guest scientist at the University of Munich

April 2022 – present: retired and independent scientist