Excellence in Teaching Award, UC Santa Cruz 2014 Visiting Professor, National University of Ireland, Galway, October 2011 Visiting Professor, ARC Centre of Excellence for Free Radical Chemistry and Biotechnology, University of Melbourne, Australia Fall 2008 Full Professor of Chemistry, University of California, Santa Cruz 2008 Visiting Professor, Dutch Polymer Institute, Technical University of Eindhoven, the Netherlands, Spring 2002 Director, NSF Research Experience for Undergraduates Programs at UC Santa Cruz: summer 2000-2005 in Bangkok, Thailand: summer 2002-2011 Associate Professor of Chemistry, University of California, Santa Cruz 1998 Professeur Invité, Ecole Normale Superieure, Paris, November 1997 Assistant Professor of Chemistry, University of California, Santa Cruz 1991