Tsyh-Jyi Hsieh is the chief of musculoskeletal imaging section of Chi Mei medical center. He is a radiologist and an associate professor in Kaohsiung Medical University. He holds M.D. degree from the Kaohsiung Medical University (1996). He was once the chief of medical imaging department of Kaohsiung municipal HsiaoKang Hospital (2000-2005) and that of medical imaging department of Kaohsiung municipal Ta-Tung Hospital (2010-2015). He is the author of more than 49 scientific papers in the field of radiology, and his current research interests are the imaging quality of CT and MRI, bone density, muscle quality and quantification, and spine imaging. He has the CCD certification of ISCD and is a member of RSROC.