Research Interests:  

• Principal Investigator on Cluster II PEACE electron plasma instrument, Co-investigator Cluster II ASPOC spacecraft potential control instrument. Principal Investigator Double Star PEACE electron plasma instruments

• Space Plasma Physics/Magnetospheric Physics. Work has included studies of waves in the magnetosheath and foreshock; the use of multi-point spacecraft measurements to investigate waves and structures; plasma transport in the magnetosphere of Jupiter.