2001 - Reader, University of St Andrews

1995-01   Advanced Fellow,  University  of St. Andrews
1992-94   Advanced Fellow,  University  of Sussex.                                                                    1988-92   Post-doctoral Research Fellow,  University  of Sussex.

1989  Ph.D. in Applied Mathematics, University of St. Andrews

1985   B.Sc. (Hons, 1st Class) in Astronomy and Astrophysics,   University of St. Andrews. Class medal,  Scott Lang prize.