Professor De Koninck taught at Laval University, in Quebec City, from 1970 until 2002. That year, he joined the University of Montreal, as professor of Geography and Canada Chair of Asian Research.
He has also been Visiting Professor in several universities, among which the University of Geneva, the Ecole des Hautes Études en Sciences Sociales in Paris, the International University in Shanghai and NUS. He is also a member of the Royal Society of Canada. His research and publications center on Southeast Asian geography and particularly agrarian and environmental issues. His books include Malay Peasants Coping with the World (Singapore, ISEAS, 1992), Deforestation in Viet Nam (Ottawa, IDRC, 1999), L'Asie du Sud-Est (Paris, Armand Colin, 2005) and Singapour, la cité-État ambitieuse (Paris, Belin, 2006).