| MC Chair | Prof Konstantinos KOURTIDIS (EL) |
| MC Vice Chair | Dr Anna ODZIMEK (PL) |
Working Group Leaders
| WG1 (Atm. electricity network) Leader | Prof Konstantinos KOURTIDIS (EL) |
| WG2 (Natural radionuclides / ionosphere and connection with natural hazards) Leader | Dr Snezana DRAGOVIC (RS) |
| WG3 (Climatic relevance) Leader | Dr Eugene ROZANOV (CH) |
| WG4 (Biological aspects ) Leader | Dr Pablo FERNANDEZ DE ARROYABE (ES) |
| WG5 (Instrumentation development) Leader | Dr Keri NICOLL (UK) |
Working Group co - Leaders
| WG1 (Atm. electricity network) co - Leader | Dr Anna ODZIMEK (PL) |
| WG2 (Natural radionuclides / ionosphere and connection with natural hazards) co - Leader | Dr Haris HARALAMBOUS (CY) |
| WG3 (Climatic relevance) co - Leader | Prof Mirela VOICULESCU (RO) |
| WG4 (Biological aspects ) co - Leader | Prof Colin PRICE (IL) |
| WG5 (Instrumentation development) co - Leader | To be appointed |
ΜC Members
| Country | MC Substitute |
| Bulgaria | Dr Boryana MARKOVA |
| Finland | Dr Ilya USOSKIN |
| Finland | Dr Xuemeng CHEN |
| Greece | Mr Paraskevas KOURIS |
| Greece | Dr Vassiliki KOTRONI |
| Hungary | Dr Veronika BARTA |
| Hungary | Dr Arpad Kis |
| Netherlands | Dr Ellard Hunting |
| Poland | Dr Marek KUBICKI |
| Portugal | Dr Hugo Silva |
| Romania | Dr Bogdan ANTONESCU |
| Serbia | Dr Antonije ONJIA |
| Serbia | Dr Jelena Petrovic |
| Slovenia | Prof Tadej KOTNIK |
| Spain | Dr P. Amparo LÓPEZ-JIMÉNEZ |
| Spain | Prof Jesús FORNIELES |
COST Near Neighbour Countries
| Institution Name | MC Observer |
| ST. Petersburg State University | Dr Irina Mironova |
| ST. Petersburg State University | Mr Arseniy Karagodin |
| Yerevan Physics Institute | Prof Ashot Chilingarian |
| Yerevan Physics Institute | Ms Hripsime Mkrtchyan |
| Yerevan Physics Institute | Dr Suren Sogomonyan |
| Institute of Applied Physics, Rus. Acad. Sci. | Prof Evgeny Mareev |
| Institute of Geophysics and Engineering Seismology | Dr Jon Karapetyan |
| Institute of Geophysics and Emgineering Seismology | Ms Roza Karapetyan |
| Institute of Geophysics and Engineering Seismology | Mr Karlen Ghazaryan |