Complex sentence: After assisting with the transition of intelligence activities to the Obama administration, Mr. Slick returned to CIA in early 2009 and a four-year assignment as COS and the Director of National Intelligence's Representative in a Middle Eastern capital.
Split into simpler sentences: After assisting with the transition of intelligence activities to the Obama administration, Slick returned to the CIA in early 2009. He was given a four-year assignment as Chief of Station and the Director of National Intelligence's Representative in a Middle Eastern capital.