文化放送
In 2015 Kamata serves as chairman of the Japan Chernobyl Foundation (JCF), clinical professor at Tokyo Medical and Dental University School of Medicine, clinical professor at Tokai University School of Medicine, and official representative of the Japan-Iraq Medical Network (JIM-NET). He can also be heard weekly on the Nippon Cultural Broadcasting radio program ", in which he continues to explore the ideas about community- and patient-centered health raised in his many published works.