Mark first joined the Law School in 2000. From 2005 to 2007 he taught criminology at the University of Melbourne. His areas of interest include youth offending, repeat incarceration and desistance from crime and he has received three successive Australian Research Council grants enabling study of these and related issues. Mark has undertaken consultancies for state and local government in areas ranging across graffiti vandalism, restorative and therapeutic justice, mentoring and serious repeat youth offending. He serves on the editorial boards of the International Series on Desistance and Rehabilitation (Routledge) and the International Journal for Crime and Justice. Mark also served on the Social Inclusion Board, Department of Premier and Cabinet, South Australian Government. In 2012, he was awarded a four year Australian Research Council Future Fellowship for the project Generations Through Prison: A Critical Exploration of the Causes, Experiences and Consequences of Intergenerational Incarceration.