During the war von Otter worked at the Swedish legation in Berlin. In 1942 he met an SS officer, Kurt Gerstein, who had witnessed killings by gas at the Bełżec extermination camp. Gerstein joined the SS to oppose the Nazi regime from within and he asked von Otter to report to his government on the atrocities. At that time the official policy in Sweden was to not anger Nazi Germany by publishing reports on war crimes. There is much obscurity about von Otter’s report.
Former official at the European Commission. In recent years he worked as policy coordinator for public administration reform and good governance in the candidate countries. Regular commentator on EU affairs as well as other issues.