Nikolai Naoumov is a physician-scientist with a professional career spanning academia, clinical care, and drug development – all focused on liver diseases. He is Fellow of both the Royal College of Physicians (London) and the Royal College of Pathologists (UK). His research has integrated immunology, molecular biology, and translational medicine in elucidating virus-host interactions and mechanisms of liver injury. He led research teams at the Medical Academy Sofia, King’s College Institute of Liver Studies in London, and subsequently as Professor of Hepatology at University College London. In his research and as clinical hepatologist, he has mentored a number of clinical fellows and PhD students from around the world. Since 2007, Prof. Naoumov expanded his contributions to medical science and clinical hepatology as senior executive at Novartis Global Drug Development in Basel, Switzerland. As Global Head, Therapeutic Area Hepatology and Transplantation at Novartis, he championed innovation, novel therapies, and multiple industry-academia collaborations globally. In parallel, he continued contributing to liver research and education as an Honorary Professor of Hepatology at UCL, Scientific Advisor to the Foundation for Liver Research in the UK, and a Board member of the Liver Foundation in Switzerland. He is also a Fellow of the AASLD and a Fellow of the Association of Physicians of Great Britain and Northern Ireland. Prof. Naoumov was an Associate Editor for Journal of Hepatology and Editor for Liver for the European Journal of Clinical Investigation.