Dimitris Visvikis is a director of research with the National Institute of Health and Medical Research (INSERM) in France and co-director of the Medical Image Processing Lab in Brest (LaTIM, UMR1101). His current research interests focus on improvement in PET/CT image quantitation for specific oncology applications, such as response to therapy and radiotherapy treatment planning, through the development of methodologies for detection and correction of respiratory motion, 4D PET image reconstruction, tumor radiomics multiparametric and multimodality modelling, as well as the development of computer assisted interventional radiotherapy and Monte Carlo based dosimetry applications. He is a member of numerous professional societies such as IPEM (Fellow, Past Vice-President International), IEEE (Senior Member, Past NPSS NMISC chair), AAPM, EANM (Physics committee chair). He has won numerous awards including the SNMMI EJ Hoffman award 2020 for outstanding contributions in quantitative PET imaging, and the IEEE NPSS Shea Distinguished Member Award in 2019. He is member of numerous editorial boards and the first Editor in Chief of the IEEE Transactions in Radiation and Plasma Medical Sciences.