Complex sentence: Major General Hassan Firuzabadi (born 3 February 1951 in Mashhad) is an Iranian military officer and the Chief of Staff of the Iranian Armed Forces, the highest-ranking member of Iranian military after the commander-in-chief, Ayatollah Ali Khamenei.
Split into simpler sentences: Major General Hassan Firuzabadi (born 3 February 1951 in Mashhad) is an Iranian military officer and the Chief of Staff of the Iranian Armed Forces. He is the highest-ranking member of Iranian military after the commander-in-chief, Ayatollah Ali Khamenei.