* 1980 - 2009: Worked at the German Foreign Office as First Counsellor and Diplomat (with missions to Africa, Europe and Latin America)<ref>[https://profiles.google.com/siffrin#siffrin/about Professional experience]</ref> | * 1980 - 2009: Worked at the German Foreign Office as First Counsellor and Diplomat (with missions to Africa, Europe and Latin America)<ref>[https://profiles.google.com/siffrin#siffrin/about Professional experience]</ref> |