Bachelor of Science (hons), Lancaster University, England, 1989. Doctor of Philosophy, Southampton University, England, 1994.
Research scientist University Southampton, England, 1994-1996. Associate research fellow Colorado Center for Astrodynamics Research, Boulder, 1996-1998. Research fellow European Commission Joint Research Center, Ispra, Italy, since 1998.
Member American Geophysical Union.
Married Ruth Jaqueline Stevens, June 20, 1996. Children: Aaron Joseph, Zaphyr Sage.