Atsushi Yamada

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.

Kyowa Kikaku Ltd. engages in the advertising business centering on medical and pharmaceutical fields. It offers media advertising, pharmaceutical sales and promotion, medical literature publishing, and information technology (IT) solutions. The company was founded by Yukio Umeda on March 1, 1959 and is headquartered in Tokyo, Japan.