Dr Anna Subiel is Senior Research Scientist at the UK’s National Metrology Institute, National Physical Laboratory, carrying out research work in the area of radiation dosimetry. She is leading a number of research activities in the UK, including developments of metrology for advanced radiotherapy with ultra-high dose rates, which involve very high energy electrons, laser-driven beams and FLASH radiotherapy sources. She is also an Honorary Lecturer at UCL Research Department of Oncology.