Sun Siyu, MD, PHD, professor, chief physician and PHD supervisor Editor in Chief of Endoscopic ultrasound Journal Chief of Endoscopy Center, Chief of Digestive Department Shengjing Hospital, China Medical University Professor Sun is the President of international society of endoscopic ultrasound, vice-precident of China Society of Digestive Endoscopy and vice-chairman of China Society of Gastroenterologist and Hepatologist. He also serves as the editor in chief of Endoscopic Ultrasound Journal， Associated editor of Journal of translational internal medicine. Achieved the second-class prize for the state scientific and technological progress, 3 first-class prizes for the scientific and technological progress of province and ministries, and 4 second to third class prizes of province and ministries. In 2013 he gained the title of national outstanding contribution expert，selected for the national Key talents project and was approved to receive the State Council special allowance.