Complex sentence: Prior to his Vice Ministerial role, Kittikhoun was Assistant Minister for Foreign Affairs (2007-2011), and this position was preceded by his service as the Lao Ambassador and Permanent Representative to the United Nations in New York (1993-2007).
Split into simpler sentences: Prior to his Vice Ministerial role, Kittikhoun was Assistant Minister for Foreign Affairs (2007-2011). This position was preceded by his service as the Lao Ambassador and Permanent Representative to the United Nations in New York (1993-2007).