Acting on the nomination of Secretary-General Kofi Annan, the UN General Assembly in 2006 unanimously elected Achim Steiner as the Executive Director of UNEP for a four-year term. He became the fifth Executive Director in UNEP's history. At its 83rd plenary meeting in 2010, the UN General Assembly, on the proposal of the Secretary-General Ban Ki-moon, re-elected Mr. Achim Steiner as Executive Director of the United Nations Environment Programme for another four-year term.