1988:          Service de Physique Théorique, Centre d’Etudes Nucléaires de Saclay,
Gif-sur-Yvette, France
Visiting Scientist
1988-1991: University of Chicago, James Franck and Enrico Fermi Institutes
Postdoctoral Research (1988-91)
Advisors: Gene F. Mazenko and Leo P. Kadanoff
1991-1996: Princeton University
Assistant Professor of Physics
Associated Faculty, Program in Applied and Computational Mathematics
1996-2006: University of Arizona
Associate Professor, then Professor of Physics and Applied Mathematics
2006-:         University of Cambridge
Schlumberger Professor of Complex Physical Systems, DAMTP