Ms. Ranguelova has MSc degree in nuclear engineering and is leading the NEA support for the NEA Committee on the Safety of Nuclear Installations (CSNI). Prior to joining the OECD she was the Head of the IAEA Safety Assessment Section that is setting IAEA safety standards for NPP design safety and safety assessment. She has also led many of the IAEA operational safety review team (OSART ) missions all over the world. Prior to her assignment to the IAEA she was working for European Commission on setting EURATOM research programme and EU directive on Nuclear Safety.