Deeb worked at the Library of Congress, where she succeeded George Atiyeh as Chief of the African and Middle Eastern Division.
She grew up in Alexandria, where she spoke French at home and English at a school run by Irish nuns.
[2] Deeb gained her MA from the American University in Cairo in 1972, with a thesis on the Khazin family.
[3] She gained her doctorate at the Paul H. Nitze School of Advanced International Studies at Johns Hopkins University.
She became Head of the Near East Section, and in 2005 became Chief of the African and Middle Eastern Division (AMED).