Complex sentence: From 1990 to 1994 has been working in various architectural offices, in 1994 he works for Stefan Jerominoma in Düsseldorf, since 1998 he work for Stefan Jerominom and Dimitrios Fitilidis.
Split into simpler sentences: From 1990 to 1994 he worked in various architectural offices, in 1994 he worked for Stefan Jerominoma in Düsseldorf. Since 1998 Anin has been working for Stefan Jerominom and Dimitrios Fitilidis.