1969 - 1971: Studies of Mechanical Engineering, Dipl. Ing. 

1971 -1986: Teacher at a vocational training college in Germany.  

1987 -1993: Translator and interpreter in Chemnitz.

From 1993: Licensed professional tour guide and freelance translator and interpreter of German.

ToDeCo Manager and tour guide in Ho Chi Minh City and in the Mekong Delta.