After graduating from medical school in 1998, Qingguo Li finished his residency and worked as a general surgeon for four years. With a strong interest in cardiac surgery, Qingguo subsequently completed both his masters and doctoral training in adult cardiac surgery at the Nanjing Drum Tower Hospital. His training focused on aortic valve repair and aortic surgeries. Currently, he is the vice president and chief cardiac surgeon of the 2nd Affiliated Hospital of Nanjing Medical University and an associate professor in surgery at the Nanjing Medical University. His is specialized in the surgical treatment of heart valves, aortic dissections, and thoracoabdominal aortic aneurysms.