After completing his exams, he was promoted to the
Federal Foreign Office in 1955. Schoeller began his career with foreign assignments at the embassies in
France,
Italy,
Tanzania,
Spain and in
Iran, where he served as permanent representative of the German ambassador in Tehran. In 1973, he was appointed to the protocol staff of the Foreign Office and, in 1975, was promoted to
Head of Protocol at the German Foreign Office, which holds ambassadorial rank. In this capacity, he greeted U.S. President
Gerald Ford, and his wife,
First Lady Betty Ford, in July 1975 at the
Cologne Bonn Airport. Afterwards, he was appointed as Ambassador of the
Federal Republic of Germany to the German embassies in
Brasília,
Paris and
Warsaw. As Ambassador in Warsaw, Schoeller granted asylum to German citizens wishing to leave the country on the embassy grounds in the second half of 1989. In November 1989, Schoeller retired, at his own request, for health reasons. Schoeller served as honorary president of the board of EuroDefense, an organization that strives for a common European security and defense policy. He also was a member of the German Society of Members of the
French Legion of Honor and the
French National Order of Merit. ==Personal life==