Current Community service

• Coordinator of the European Solar-Terrestrial and Atmospheric Research (E-STAR) programme of the European Science Foundation (ESF).

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• Director of a NATO Advanced Study Institute (ASI) on 'Sprites, elves, and intense lightning discharges'.

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• Chairman of the scientific network Space Processes and Electrical Changes Influencing Atmospheric Layers (SPECIAL) of the European Science Foundation (ESF)

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• Convener of a session on 'Solar and heliospheric influence on the Earth's weather and climate' (ST6) during the EGU General Assembly, in Nice, France, 25.-30.04.2004.

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