Heads of State / Government who had  participated
#	H.E. Ahmed A. M. Sambi, President, Comoros
#	H.E. Mr. Meles Zenawi, Prime Minster, Ethiopia
#	H.E Ms Micheline Calmy-Rey, Bundesprasidentin, Switzerland

List of Central Level Ministers who had  participated
#	Mrs. Anna Elisabeth Haselbach, Vizepräsidentin des Bundesrats, Austria
#	H.E. Ms. Rona Ambrose , "President of the Queen's Privy Council for Canada Minister of Intergovernmental Affairs Minister of Western Economic Diversification", Canada
#	H.E. Mr. Degefe Bula , Speaker of the House, Ethiopia
#	Hon'ble Mr. Teshome Toga, Speaker, Ethiopia
#	H.E. Daniel Demissie, Standing Committee of House of Federation, Ethiopia
#	H.E. Fasil Nahum, Minister, Ethiopia
#	H.E. Beyene Petros, MP, Leader of United Ethiopian Democratic Forces, Ethiopia
#	Hon'ble Ato Jarso Shiferaw, Chief Govt. Whip Minister, Ethiopia
#	H.E. Ato Maeregu Hailemariam, State Minister for Federal Affairs, Ethiopia
#	H.E. Dr. Jonathan Goodluck, Vice President, Nigeria
#	H.E., Minister of Foreign Affairs, Nigeria
#	H.E. Jr. Aquilino Q. Pimentel, Senate Minority Leader, Philippines
#	H.E. Ellen Weintraub, Commissioner, USA

List of Provincial Heads who had  participated
#	H.E. Mr. Ato Abadulla Gemmeda, President of Oromia Regional State, Ethiopia
#	H.E. Ato Ayalew Gobeze, President of Amhara Regional State, Ethiopia
#	H.E. Mr. Ato Tsegaye Berhe, President of Tigray Regional State, Ethiopia

List of Former Heads who had  participated
#	Prof Yegor Gaidar, Director (Former Russian Prime Minister), Russia
#	H.E. Mr. Alex Ekwueme, Former Vice President, Nigeria