Dr. Ren Jia graduated from Tongji Medical College, Huazhong University of Science and Technology in 2008. After three years of residency training at Peking Union Medical College Hospital,  he worked at the First Affiliated Hospital of Tsinghua University, where he has been engaged in critical care, emergency medicine, and general practice for more than 10 years. He served as the head of the ward doctor team.

He has rich experiences in the diagnosis and treatment of common and frequently-occurring diseases in internal medicine, clinical emergency care, chronic disease management and health guidance, emergency skills training, etc.

He has obtained the BLS and ACLS qualification certificates from the American Heart Association, as well as the ITLS qualification certificate.