Dr. Yu-Chen Fan is the professor in the Department of Hepatology, Qilu Hospital of Shandong University. He was trained as an attending physician in Qilu Hospital of Shandong University (Jinan, China) and finished his graduate studies and obtained the Medical Doctor’s degree in Shandong University Cheeloo College of Medicine. The major interest of Dr. Yu-Chen Fan’s studies is the immune mechanism of hepatitis B virus associated liver diseases, including negative immune regulation of liver failure.