Dr. Seigo Nakamura gained his medical degree in 1982 from Chiba University. He started his career as general surgeon at St. Luke’s International Hospital in Tokyo, Japan after graduation. After 28-years service at St. Luke’s International Hospital, he has moved to Showa University School of Medicine. Currently, Dr. Nakamura is Professor and Chairman, Department of Surgery, Division of Breast Surgical Oncology and Director, Breast Center of Showa University Hospital. He is also Chairman of the Board of Directors in the Japanese Breast Cancer Society. He has dedicated himself to clinical practice and clinical trials on breast cancer. Dr. Nakamura has focused on genetic diagnosis and tailored treatment.