1994-1997 PhD, University of Canterbury, withMike Steel
1998-2000 Postdoc, CRM, Universite de Montreal, with David Sankoff
2000-2001 Postdoc, LIRMM, France, with Olivier Gascuel
2001-2005 Asst. Prof. at McGill, Montreal, in Mathematics & Statistics and Computer Science. Tenured in Mathematics in 2005.
2005-2010 Assoc. Prof At University of Auckland, Department of Mathematics
2010- Professor, University of Otago, Department of Mathematics & Statistics