-MD, PhD

-Professor, Medical Oncology, Department of Internal Medicine, CHA Bundang Medical Center, CHA University

-Associate Professor, Medical Oncology, CHA Bundang Medical Center, CHA University, Seongnam, Korea

-Secretary of Hapatobiliary & Pancreatic Cancer Committee of KCSG KCSG

-Director of Cancer Center, CHA Bundang Medical Center, Seongnam, Korea