Tomohiro Shimizu is Associate Professor and Orthopedics Surgeon at the Hokkaido University Hospital. He received a master’s degree and PhD from the Graduate School of Medicine, Hokkaido University. He worked at the Hokkaido University School of Medicine (2001–2007), Hokkaido University Graduate School of Medicine (2012–2016), and the University of California, San Francisco (2016–2018). His research interests include sports medicine, hip surgery, rheumatoid arthritis, osteoporosis, and orthopedic surgery.