He studied classical philology, law, cultural anthropology, and African art at the State University of Ghent, where he obtained his doctorate in Philosophy and Letters (1954).
He conducted post-graduate study in social anthropology and Bantu Linguistics at University College London, LSE, SOAS.
Under the auspices of the Institut pour la Recherche Scientifique en Afrique central (IRSAC), he was involved in field research from 1949–1957 among ethnic groups in what is now the Democratic Republic of the Congo.
From 1957–1961 he taught at Lovanium University in Kinshasa and as a member of the land tenure commission for the Belgian Congo, he conducted brief field research among over 40 different populations where he studied questions pertaining to the relationships between sociopolitical structures, administrative interferences, and land tenure.
Biebuyck's major publications are in the fields of central African Art, Epic literature, systems of land tenure, and general ethnography.