Junta Asai has spent many years providing government affairs and government relations services to major international pharmaceutical industry companies in Japan. Prior to joining the firm, he worked in the office of a Diet member and as a lobbyist. He played a key role in the campaign to introduce new legislation on vaccines policies, which culminated in the enactment of Japan’s Vaccines Law and increased funding for vaccination programs.
At GR Japan, Junta's work has continued to focus on the healthcare sector, including support for international pharmaceuticals companies’ government relations needs. He remains the President of the Institute of New Era Strategy (INES), a policy think tank entrusted to his care by former Minister for Labour Tetsuo Kondo.