Yemen is the second-largest country in the Arabian peninsula after Saudi Arabia.
Tegegnework Gettu is the United Nations Under-Secretary-General and Associate Administrator of the United Nations Development Programme -LRB- UNDP -RRB- replacing Maria Eugenia Casar .. United Nations. United Nations. Under-Secretary-General. Under-Secretary-General. Maria Eugenia Casar. Maria Eugenia Casar. He previously held the post of Under-Secretary-General for General Assembly and Conference Management .. Under-Secretary-General. Under-Secretary-General. He was appointed to this position by the United Nations Secretary-General Ban Ki-moon on 25 March 2013 .. United Nations. United Nations. United Nations Secretary-General. United Nations Secretary-General. Ban Ki-moon. Ban Ki-moon