Klaus Hüfner, former university professor (Freie Universität Berlin), has been engaged in many activities at the periphery of the United Nations system since the early 1970s. He is Honorary President of the World Federation of the United Nations Associations, Geneva/New York and Member of the Presidium of the United Nations Association of Germany. Presently, he is engaged as: Senior Research Fellow of the Global Policy Forum, New York/Bonn, and consultant for teaching activities of UNITAR/Universitat Oberta de Catalunya about financing the UN system, Geneva/Barcelona.