Sonja Snacken is Professor of Criminology, Penology and Sociology of Law at the Vrije Universiteit Brussel (Belgium), where she now holds a five year 'Research Fellowship' (2006-2011).Her research focuses on sentencing and the implementation of custodial and non-custodial sentences in Belgium and Europe.She participates in several international scientific networks, both English- and French-speaking, is a member of the Editorial Board of high standing international journals (Punishment and Society, Déviance et Société), was elected president of the European Society of Criminology (2004-2005), acts as an expert for the European Committee for the Prevention of Torture and Inhuman or Degrading Treatment or Punishment (since 1994) and is a member (since 2001) and President (since 2006) of the Council for Penological Cooperation of the Council of Europe.At national level, she was a member of the drafting committee for the first Prison Act in Belgium (2005) and president of the drafting committee for the Act on the External Legal Position of Prisoners (2006).