Professor Yoon Jun Kim is Professor of Medicine at Seoul National University College of Medicine and Director of the Liver Cancer Center at Seoul National University Cancer Hospital, Republic of Korea. His clinical and research interests focus on hepatocellular carcinoma, chronic hepatitis B, and MAFLD. He leads multicenter clinical and translational research on novel therapies, including targeted therapy, immunotherapy, and radioembolization (Yttrium-90). Professor Kim is Editor-in-Chief Emeritus of Clinical and Molecular Hepatology and Associate Editor of Gut and Liver. His research emphasizes combination strategies integrating locoregional and systemic therapies for hepatocellular carcinoma.