Graduated from Keio University School of Medicine and enrolled in the Department of Plastic and Reconstructive Surgery of the same university in 1982. In 1987, assistant at the Department of Plastic Surgery of Saitama Medical Center. In 1990, director at the Plastic Surgery Department of Japanese Red Cross Shizuoka Hospital. In 1994, assistant at the Department of Plastic and Reconstructive Surgery of Keio University. In 1995, lecturer at the Plastic Surgery Department of Hirosaki University Hospital. In 1998, head doctor at the Plastic Surgery Department of Saiseikai Utsunomiya Hospital. In 1999, head doctor at the Head and Neck/Otolaryngology Department of Tochigi Prefectural Cancer Center. In 2000, studied at the Division of Plastic, Reconstructive & Aesthetic Surgery of the University of Toronto. In 2001, full-time lecturer at the Department of Plastic and Reconstructive Surgery of Keio University. In 2006, associate professor/director at the Plastic Surgery Department of Tokyo Dental College Ichikawa General Hospital. In 2012, professor/director at Tokyo Dental College Ichikawa General Hospital.

Graduated from the University of Tokyo Faculty of Medicine in 1984.Joined the Department of Pediatric Surgery, University of Tokyo. After going through the University of Tokyo Hospital, the Japanese Red Cross Medical Center, Saitama Children's Medical Center, and St. Jude Children's Hospital, he became a professor at Jichi Medical University in 1997, and associate professor at the University of Tsukuba in 2000, an associate professor of pediatric surgery at the University of Tokyo in 2011, and chief of pediatric surgery at Ageo Chuo General Hospital and an affiliate professor at Saitama Medical University Hospital in 2013.

In 1983, Graduated from the Faculty of Medicine at Tokyo Medical University. From 1983, joined in Pediatrics, Tokyo Medical University Hospital. From 1984, joined in Pediatrics, Kameda General Hospital. From 1985, joined in Department of Anesthesiology and Intensive Care Medicine, Children's National Hospital. From 1987, joined in Department of Anesthesiology and Intensive Care Medicine, Children's Hospital of Pittsburgh, U.S.A. From 1990, joined in Department of Pediatrics (Neonatal Division), Tokyo Medical University Hospital. From 1992, joined in Department of Pediatrics, St. Luke's International Hospital. Currently, has been Adjunct instructor at Jissen Women's University.

Graduated from Tottori University School of Medicine in 1984. From1984, Clinical training at Yokohama City University Hospital. From 1986, Joined in Department of Neonatology at Japanese Red Cross Medical Center. From 1990, became Head of Pediatrics, at Odawara City Hospital. From 1995 became an assistant Professor of Pediatrics at Yokohama City University Hospital. From 1999, became a docent in Department of Pediatrics at Yokohama City University School of Medicine. From 2002, became an assistant Professor of Pediatrics at Yokohama City University School of Medicine. From 2009, became a professor of Pediatrics at Yokohama City University Hospital. From 2016, became a Director and Professor of Clinical Training Center at Yokohama City University Hospital. From 2022, has been a Honorary Professor and Affiliate Professor at Yokohama City University.

Graduated from Juntendo University School of Medicine March 2013.
From April 2013 to May 2015, Initial Clinical Training at Juntendo University Shizuoka Hospital. From April 2015 to November 2020, Assistant Professor of Neurosurgery at Juntendo University Hospital. From January 2021 to June 2021, worked at Neurosurgery, Ibaraki Children's Hospital. From July 2021, worked at Neurosurgery, Juntendo University School of Medicine. From April 2020 Affiliation with Juntendo University Graduate School .

In 2011, he graduated from Keio University School of Medicine, initial clinical training at Keio University Hospital. In 2013, Joined Keio University Plastic Surgery Department. In 2014, became Resident in Plastic Surgery at National Center for Child Health and Development. In 2015, became an assistant professor in Plastic Surgery at Keio University. In 2016, became a clinical resident in Plastic Surgery at Ichikawa General Hospital of Tokyo Dental University. In 2017, became extraordinary assistant professor of Plastic Surgery at Keio University.

Graduated from Keio University School of Medicine in March 2015. From April 2015 to March 2017, initial clinical training at Saitama City Hospital. From April 2017 to March 2019, became a resident in surgery at Saitama City Hospital. From April 2019 to March 2020, became a resident in surgery at National Center for Child Health and Development. From April 2020, became an assistant Professor of Surgery at Keio University School of Medicine. From April 2021, has PhD affiliation with Graduate School of Medicine at Keio University.

Dr. Kenichiro Shirao graduated from Yokohama City University School of Medicine in 1999 and obtained a position at National Children's Hospital. He worked as a pediatrician at Kanagawa Prefectural Ashigarakami Hospital, Hiroshima University Hospital , Chugokku Rosai Hospital, Graduate School of Medicine and Pharmaceutical Sciences, Hiroshima University, and Hiroshima University Hospital Pediatrics (NICU). In 2010, he obtained a Ph.D. (Molecular Genetic Analysis of SCAD Defect) After that, he worked at Kure Kyosai Hospital and National Hospital Organization Hiroshima Nishi Medical Center. In 2014, he was a director at Medical Corporation Shirokumakai Shirao Pediatrics and Allergy Clinic. He served as a Clinical Professor at Hiroshima University Pediatrics in 2022. In 2022, he retired from the position of director at Shirao Pediatrics and Allergology Clinic. He will open a new clinic called Medical Corporation Shirokuma-kai Shirokuma-san's pediatric allergy clinic is scheduled to open in 2023

Dr. Yasuyoshi Tosa graduated from Showa University School of Medicine in 1986 and completed the doctoral course at Showa University Graduate School of Medicine in 1990. He served as a Plastic Surgery Director at Teikyo University Hospital, a Plastic Surgery Director at Social Insurance Funabashi Central Hospital, a Plastic Surgery Director at Numazu City Hospital, a Plastic Surgery Researcher at Harvard Medical School Massachusetts General Hospital (MGH), a Surgery Researcher at Shriners Children's Boston Hospital, an Associate Professor of Plastic Surgery at Showa University School of Medicine, a Visiting Professor at Ohio State University School of Medicine, a Professor at Showa University, a Part-time Lecturer of Plastic Surgery at Keio University School of Medicine, and a Project Associate Professor of Plastic Surgery at Keio University School of Medicine.

Dr. Daisuke Hirokawa graduated from Mie University Faculty of Medicine in 2010. He had been working at several hospitals as a neurosurgeon such as Tokyo Metropolitan Tama Medical Center, Kanagawa Cancer Center, and National Center for Child Health and Development. Since 2018, he has worked at Kanagawa Children’s Medical Center as a neurosurgeon. In 2020, he becomes a medical director at Kanagawa Children’s Medical Center.