He went on to become Private Secretary to International Secretary and Assistant to Under Secretary for Europe at International Headquarters (IHQ). Soon, he moved to Sweden as IHQ Liaison Officer. During World War II, he was appointed to Germany, where he was often obliged to sleep in air raid bunkers.
He held positions of responsibility within International Headquarters (IHQ) and later served as a liaison officer for the organization in Sweden during World War II. He faced challenges due to his work, including sleeping in air raid bunkers.