Dr. Yannis Dionyssiotis specializes in Physical Medicine and Rehabilitation (PMR). He has clinical experience as Physiatrist in a variety of clinical settings as clinician, researcher, clinical instructor and consultant. He holds a PhD in Bone and Soft Tissue Changes in Spinal Cord Injury from National and Kapodistrian University of Athens. He also has senior European Board Certification in PMR, a Master Thesis in Aging and Chronic Diseases (Hellenic Open University / University of Thessaly), Facharztanerkennung in Germany (PMR) and is registered Physician in the UK. Dr. Dionyssiotis has professional presentations and publications in the areas of rehabilitation, spinal cord injury, multiple sclerosis and osteoporosis. He is the Co-Editor in Chief of Journal Frailty, Sarcopenia and Falls.