Ghassan Hage was awarded a PhD from Macquarie University in 1988 for his thesis 'The Fetishism of Identity'. The thesis is a study of communal identification among Christian Lebanese during the Lebanese civil war. In 1987-88 he worked as part-time lecturer at UTS. From 1988 to 1994 he was a lecturer in Social Sciences at the University of Western Sydney. He joined the University of Sydney in 1994 as a lecturer and researcher and was there until 2008. He has been a visiting professor and an associate researcher at Pierre Bourdieu's Centre de Sociologie Européenne at the Ecole des Hautes Etudes en Sciences Sociales, Paris; an associat researcher at the Centre de Recherche sur l'Immigration, L'Ethnicité et la Citoyenneté at the Université du Quebec à Montreal; and an associate researcher at the Centre for Behavioural Research at the American University of Beirut.
In 2008 he became the University of Melbourne's Future Generation Professor of Anthropology and Social Theory. He is also a Fellow of the Australian Academy of the Humanities. Amongst his best known works are White Nation (1998) and Against Paranoid Nationalism (2003).