Koki Jinnouchi joined JAFCO in 2024. Prior to JAFCO, he was employed at Kawasaki Heavy Industries as a new graduate, where he gained experience in the plant engineering business. As a project manager, he later led the development of a fully automated PCR testing robot system as well as the launch and expansion of the testing business as a project manager. Later, he worked at Mizuho Securities (investment banking), after which he joined JAFCO.