Masayuki Yoshinari

ADK Holdings, Inc. engages in the provision of media and communications services. It offers advertising, content planning & production, sales promotions, marketing, and public relations services in various media that includes magazines, newspapers, television, radio, digital media, and out-of-home media services. The company was founded by Masao Inagaki on March 19, 1956 and is headquartered in Tokyo, Japan.

Tokyo Metropolitan National Health Insurance Organization is a health insurance organization based in Tokyo, Japan. The organization provides health insurance services to the residents of Tokyo and is responsible for managing the national health insurance system. The organization offers a range of services, including medical treatment, health checkups, and health consultations. The organization also provides information on health-related topics and offers support to those in need.