Eva Onjukka is co-ordinator of R&D in external-beam Radiotherapy Physics at Karolinska University Hospital (Stockholm), with a focus on clinical outcome modelling and treatment planning. She has a fellowship from the Swedish Cancer Society to analyse real-life toxicity data for H&N radiotherapy. Eva’s main collaborations are with IRCCS Istituto Nazionale dei Tumori in Milan and Aarhus University Hospital, and she has contributed to ESTRO workshops and taught at an ESTRO course. Her PhD (2011) at Liverpool University (Liverpool, UK) was supervised by Professor Alan Nahum and Dr Colin Baker.