Complex sentence: Mohammed bin Nawwaf was educated at the Capital Institute High School in Riyadh, graduating from The Edmund A. Walsh School of Foreign Service at Georgetown University, Washington D.C. and completed his graduate studies at the Kennedy School of Government, Harvard University.
Split into simpler sentences: Mohammed bin Nawwaf was educated at the Capital Institute High School in Riyadh. Later, he was graduated from The Edmund A. Walsh School of Foreign Service at Georgetown University, Washington D.C. and completed his graduate studies at the Kennedy School of Government, Harvard University.