Dr Kang is an expert in clinical development of new anti-cancer therapies. He has directed Clinical Research Center for several years in Asan Medical Center and has led a number of important international clinical trials. His main interests are in the treatment of gastric cancer, GIST and hepatocellular carcinoma. He has been the president of Korean Society of Medical Oncology (KSMO), the Korean Cancer Study Group (KCSG), and the Korean GIST Study Group. And he is member of many professional societies such as the Korean Cancer Society, American Society of Clinical Oncology , European Society of Medical Oncology, and the American Association of Cancer Research. He has published more than 400 papers in peer review journals.