Head, Leukemia & Lymphoma, Children’s Cancer Center, National Center for Child Health & Dev.; Tokyo, JAPAN   
Board Certified Pediatrician 
Instructor, Japanese Board of Pediatrics
Board Certified Hematologist
Instructor, Japanese Board of Hematology
Board Certified Member of the Japanese Society of Pediatric Hematology / Oncology
Instructor, Japanese Board of Pediatric Hematology and Oncology
General Clinical Oncologist by Japanese Board of Cancer Therapy Board Certified Member of the Japan Society for Transplantation and Cellular Therapy