Jianan Ren received his MD from the Third Military Medical University in 1986, and his Ph.D. from the Second Military Medical University in 1993. He conducted his post-doctoral research at the First Affiliated Hospital of the Third Military Medical University from 1994 to 1996. From 2003 to 2004, he worked as a visiting scholar at the Maastricht General Hospital and Harvard Medical School. In 2007, he was appointed as a doctoral supervisor in the Medical School of Nanjing University, and was later awarded the National Hundred and Ten Million Talents Project at the national level. Currently, he is the Vice President of Jinling Hospital, the Affiliated Hospital of the Medical School of Nanjing University. His research interests include the prevention and treatment of intra-abdominal infections, intestinal fistulas, surgical site infections, and Crohn’s disease.