Professor Chen Yajin is the director of hepatobiliary surgery department of Sun Yat-sen Memorial Hospital of Sun Yat-sen University. He is proficient in the diagnosis and treatment of various complicated and difficult abdominal diseases, especially in the fields of laparoscopic minimally invasive surgery of the liver, biliary tract and pancreas diseases. He is one of the most famous laparoscopic liver surgeons in China, and puts forwards the standard process of laparoscopic liver surgery allover the world. In 2013, for the first time he finished laparoscopic-assisted associating liver partition and portal vein ligation for staged hepatectomy(LP-ALPPS) in Asia. His professional affiliations includes:
Doctoral supervisor of Sun Yat-sen Memorial Hospital of Sun Yat-sen University
Division of enhanced recovery after surgery（ERAS）, China branch of international hepatobiliary pancreatic Association，Chairman
International laparoscopic liver surgery society, ILLS, Founding Member
Division of HPB Surgery, Guangdong Province Medical Doctor Association, CMDA, Chairman
Division of Bile-Duct Surgery, Branch of Surgery, Chinese Medical Association, Member
Division of Bile-Duct Surgery , CMDA, Member of Standing Committee
Chinese Institute of laparoscopic liver surgery, Vice President
Asia-Pacific Promotion Commission of laparoscopic liver surgery, IHPBA, Vice President of China Chapter
Journal of Lingnan Modern Clinics in Surgery, editor-in-chief