Founder and Chairman of the Board (as of March 2024) of Lillium Otsuka Co., Ltd. (Kanagawa Japan), established in 2015 to develop, manufacture, and market diagnostic ultrasound systems. Lilium Otsuka is a subsidiary of Otsuka Holdings Co., Ltd. (TOKYO:4578), and Mr. Shirasaki joined the establishment of Lilium Otsuka with over 30 years of experience in a wide range of management roles in the healthcare industry. The company has successfully developed a product that meets the needs of users in terms of price and ease of operation by developing a urine volume measurement technology using A-mode ultrasound, a traditional technology not often used in the medical field, and is positioned as a technology that embodies a disruptive innovation in the PVR measurement market.