Prof. Dr. George Fountos was elected as an Assistant Professor at the Department of Medical Instruments Technology of the Technological Educational Institute of Athens in 2007, while today, he is a Professor at the Department of Biomedical Engineering of the University of West Attica, Greece. He received his diploma in Physics in 1987 from the University of Ioannina, his M.Sc. in Medical Physics in 1989 from the University of Patras, and his Ph.D. in Medical Physics in 1995 from the University of Ioannina. He obtained his license in Radiation Physics in 1996 and has been the Treasurer of the Hellenic Association of Medical Physics (HAMP) since 2004. His research interests focus on dual-energy body composition, quality assurance and simulations in ionizing radiation medical systems, radiation protection, the physics of nuclear medicine and radiology, electron microscopy TEM, etc.