 Mohieldin is a Fellow of the British Society for Middle Eastern Studies in the United Kingdom; and a member of the Egyptian Society for Political Economy in Cairo.He has been an active board member at Benha University, Egypt; the Arab Society for Economic Research; the Centre of European Studies; and the Centre for Economic and Financial Research and Studies at the Faculty of Economics and Political Science of Cairo University, Egypt.Mohieldin also served as a member of the Board of Directors of the Central Bank of Egypt; a member of the Board of Directors of HSBC-Egypt; member of the Board of Directors of Telecom Egypt; and a member of the Board of Directors of the Egyptian Diplomatic Institute at the Ministry of Foreign Affairs of Egypt.