In 1971, Cleaver was hired as an assistant professor at the Université de Sherbrooke in Montreal, Quebec where he taught for three years, finished his dissertation, and studied Québécois nationalism.
From 1974 to 1976, Cleaver was a visiting assistant professor at the New School for Social Research in the department of economics.
De 1974 à 1976, Cleaver foi professor adjunto visitor na New School para Pesquisas Sociais no departamento de economia.
De 1974 à 1976, Cleaver foi professora adjunta visitor na New School para Pesquisas Sociais no departamento de economia.