1993-1994 Lindemann Fellow, California Institute of Technology
1995-1998 Postdoctoral Fellow funded by NASA Cosmochemistry, Smithsonian Institution
1998-2005 Researcher, Meteoritics and Cosmic Mineralogy, Natural History Museum
2005- Head, Division of Meteoritics and Cosmic Mineralogy, Natural History Museum
2008- Individual Merit Promotion, Natural History Museum
1988 BA Cantab (Natural Sciences Tripos)
1992 PhD Open University, supervisor Prof. Colin Pillinger FRS, "Diamonds and Siicon Carbide in Chondritic Meteorites"