He worked at the International Monetary Fund (IMF), other leading finance institutions and Cairo University.
[2] In 1953 Deif started his career as an elected member of the Expert Group on Industrialization of the United Arab Republic.
[1][2] His major task was to negotiate with the IMF in relation to economic reforms to be carried out in Egypt.
[2] At the time of his appointment Deif was regarded by the American diplomats in Cairo as the most significant economist in the country.
[1] From 2 October 1965 Deif was part of the cabinet led by Zakaria Mohieddin who was the Prime Minister of the United Arab Republic.