Complex sentence: In 1976, Baumann worked for the European Parliament in Luxembourg, in 1979 at to the European Commission in Brussels and in 1980 for the electronics giant Siemens in Munich.
Split into simpler sentences: In 1976, Baumann started working for the European Parliament in Luxembourg. In 1979, he transferred to the European Commission in Brussels and from 1980 worked for the electronics giant Siemens in Munich.