Complex sentence: Harold Rhode (born September 19,1949) is a specialist on the Middle East who worked at the Office of Net Assessment, an in-house think tank for the Pentagon, as an analyst for 28 years.
Split into simpler sentences: Harold Rhode (born September 19,1949) is a specialist on the Middle East. He who worked as an analyst at the Office of Net Assessment, an in-house think tank for the Pentagon, for 28 years.