Complex sentence: Franz Baumann (born 23 September 1953) is a German former United Nations official, who served as Assistant Secretary-General and United Nations Special Adviser on Environment and Peace Operations at the United Nations Secretariat in New York.
Split into simpler sentences: Franz Baumann (born 23 September 1953) is a German diplomat. He is Assistant Secretary-General and United Nations Special Adviser on Environment and Peace Operations at the United Nations Secretariat in New York.