Eleftherios Tzanis is a medical physicist. He received his Bachelor of Science (BSc) degree in Physics from the University of Crete and my Master’s degree from the National and Kapodistrian University of Athens (Interdisciplinary Postgraduate Program ‘Medical Physics – Radiophysics’). Since June 2017 he is a PhD candidate at the Medical School of the University of Crete, Greece. Moreover, he is working as a pre-doctoral fellow at Computational BioMedicine Laboratory-ICS FORTH. From June 2018 to January 2019, and participated as a data manager in the research program: “European Study on Clinical Diagnostic Reference Levels for X-ray Medical Imaging” (EUCLID). Results of his research efforts have been published in the scientific journal entitled “La radiologia Medica” and has been presented in the ECR (European Society of Radiology annual meeting).