George Kalamitsis is a founding member and Chair of Hellenic Liver Patients Association "Prometheus" since 2012 and a founding member and General Secretary of Greek Patients Association. He is engaged in national and international health policy, specialized in the public health sector. His work is related to providing support to people living with liver diseases, advocating for their rights and providing evidence-based policy actions. Recently, he was assigned as Member of the Central Board of Health (2019) and as President of the Committee Protecting the Rights of Recipients of Health Services (Greek Ministry of Health 2017). In 2014 he was elected board member of the world Hepatitis Alliance. He founding member and first president of Liver Patients International (LPI). He has been working extensively with multiple stakeholders, focusing on patients’ rights as well as building communication channels with organizations and stakeholders, on a National and International level.