We are pleased to invite you to the 11th edition of the International Euratom research and training conferences on fission safety of the reactor systems (FISA) and radioactive waste management (EURADWASTE) to be organised during the Polish Presidency of the Council of the EU together with the National Centre for Nuclear Research (NCBJ), the Sustainable Nuclear Energy Technology Platform (SNETP), the European Nuclear Education Network (ENEN), the European Nuclear Society (ENS) and the European Nuclear Society - Young Generation Network (ENS-YGN).