Awards
- Chapman Medal, Royal Astronomical Society, 2006
Membership of Professional Bodies
- Member (1983 - end of AMPTE mission), AMPTE-UK Science Team
- Member, American Geophysical Union
- Member (1997-2000), British Antarctic Survey Programme Review Group
- Member (1987-1990), British National Committee for Geodesy and Geophysics, Subcommittee on Geomagnetism and Aeronomy
- Member (2004), ESA Payload Review Panel for Bepi Colombo mission to Mercury
- Member (1991-present), European Space Agency Cluster Science Data System Implementation Working Group and various subgroups
- Member (2002-2005), European Space Agency Solar System Working Group
- Member (1992-1995), European Space Agency's European Space Information System Space Physics Working Group
- Fellow, Institute of Physics
- Division Chair (1999-2003), International Association of Geomagnetism and Aeronomy (Div IV: 1999-2003)
- Member, International Astronomical Union
- Co-Ordinator Report Solar Terrestrial Physics in the UK: Scientific Goals and Projects (April 1998), PPARC Astronomy Committee
- Member (2000), PPARC Astronomy Committee
- Member (2000-2001), PPARC GRID Steering Committee
- Chair (2004), PPARC Solar Orbiter Science Review Panel
- Member (1996-1998), PPARC Theory Research Assessment Panel
- Fellow, Royal Astronomical Society
- Honorary Auditor (1980-1981), Royal Astronomical Society
- Member (1998-2000), Royal Society Space Research Committee
- Member (1987-1990), SERC Astronomy and Planetary Science Board Studentships and Fellowships Panel
- Member (1987-1991), SERC Astronomy and Planetary Science Board Theory Panel (subsequently Theory and Computation Panel)
- Member (1989), SERC Astronomy and Planetary Science Data Archiving Panel
- Member (1994-1995), SERC Solar-Terrestrial Physics Strategy Working Group
- Member (2002), Search Committee for Director of Laboratoire de physique et chimie de l'environment, Orleans, France
- Project Scientist (1991-present), UK Co-ordinated Data Handling Facility for Cluster
- Chair (1988-1989), UK Phase A Study for a UK Co-ordinated Data Handling Facility for Cluster
- Member (1989-1995), UK Project Management Committee for SOHO/Cluster
Editorial Boards
- Planetary and Space Science, Member of editorial baord