There is an old maxim in peacekeeping – before you ask a wise man, ask someone who has done it. I am pleased to see here this morning so many people who have done it. It is a great pleasure to address this important conference. I would like to thank the organizers for giving me the opportunity to discuss my views of the challenges and future of United Nations peacekeeping. My basic standpoint may be simply stated. UN peacekeeping, which was out of fashion for a period, is now back. The UN has a unique legal and moral authority as well as valuable operational experience in international peacekeeping. While the increasing calls for peacekeeping missions make cooperation and burden sharing essential, the UN is—and should remain—the nucleus of activity. I speak as a practitioner with eight years experience in both UN and non-UN operations. I deliver my remarks today in my capacity as the SRSG to Liberia but I will also draw on my experience from the Balkans—heading UNMIBH and UNTAES. I will divide my comments into two parts. First, an overview of the important qualities and strengths of UN peacekeeping. Secondly, I will outline what I have come to recognize as five prerequisites for success once the decision has been made to engage. They are: a clear mandate; a solid organizational structure; strategic planning; strength in leadership and support; and finally, an organized closure of the mission.