After practicing as a lawyer at the Brussels Bar Association for several years, Christine Guillain defended her doctoral thesis on « Factors of criminalization and resistance to decriminalization of drug use in Belgium. From international control to securitarian concerns » in 2009. She is currently a professor of criminal law and criminal procedure at the Université Saint-Louis – Bruxelles, where she heads the GREPEC (Research group on penal and criminal matters). She has authored numerous contributions to the field of criminal policy regarding drugs, among which: « Criminaliser, décriminaliser l’usage de drogues : une histoire sans fin » (2011), « Dépénalisation et décriminalisation de l’usage de drogues : tenants et aboutissants » (2013) and « La répression des drogues : comment sortir de l’impasse ? » (2020).
