Dr Anna Subiel joined the National Physical Laboratory in 2014 and is currently employed as Senior Research Scientist in the Medical Radiation Science group. She also holds an Honorary Research Lecturer position at the UCL Research Department of Oncology and Honorary Research position at the UCL Medical Physics and Biomedical Engineering Department. Anna is also member of several national and international scientific societies and organizations, including Institute of Physics (IOP), Radiation Research Society (RRS) and the European Society for Radiotherapy and Oncology (ESTRO). Anna has extensive expertise in pre-clinical radiation research, in particularly related to dosimetry and is currently leading the NPL’s research activities focused on metrology for FLASH radiotherapy. Anna is contributing to a number of international initiatives related to FLASH radiotherapy, including ESTRO/AAPM Task Group 359 working on the recommendations for the ultra-high dose rate radiation dosimetry.