sentences:  He was appointed Dean of the Faculty of Science at the University of Melbourne in 2006; in 2008, he became Dean of the Graduate School of Science, and from 2008 to 2011 he served as Deputy Vice-Chancellor (Research).He was involved in Melbourne's controversial program of 'focused excellence', that shed some staff positions in order to reduce a growing debt.In April 2011 Rathjen took up the role of Vice-Chancellor at the University of Tasmania.