[St. Marianna University School of Medicine] Signs Comprehensive Partnership Agreement with DeNA in the Medical and Healthcare Fields

St. Marianna University School of Medicine (Location: Kawasaki City, Kanagawa Prefecture, President: Katsuya Akashi, hereinafter referred to as "St. Marianna University") and DeNA Co., Ltd. (Headquarters: Shibuya-ku, Tokyo, President and CEO: Tomoko Namba, hereinafter referred to as "DeNA") today signed a comprehensive partnership agreement (hereinafter referred to as the "Agreement") concerning the medical and healthcare fields. The signing ceremony was held at St. Marianna University.

From left: Tsuyohito Otsubo, Hospital Director, St. Marianna University Hospital; Hiroaki Kitagawa, President, St. Marianna University School of Medicine; Katsuya Akashi, President, St. Marianna University School of Medicine; Shingo Okamura, Chairman, DeNA; Kenta Sugawara, Group Executive.

Background and Objectives of the Agreement

With the rapid aging of the population and advancements in medical technology, the very nature of medical and social infrastructure is being re-examined. University hospitals are also required to rebuild their diverse roles, including nurturing human resources in line with societal needs, strengthening research capabilities and implementing their outcomes, and contributing to regional healthcare. To address these challenges head-on, both parties have been collaborating on the "AI Infrastructure Construction for Multimodal RWD (Real World Data) (※)" as part of St. Marianna University School of Medicine's initiative to strengthen its university hospital functions. This Agreement has been concluded to further develop this collaboration and promote broader and more continuous initiatives.

St. Marianna University School of Medicine was founded with the philosophy of "nurturing individuals who can serve human society based on the "dignity of life" rooted in Christian love, and training physicians who can utilize the results of specialized research for the welfare of humanity." The university, affiliated hospital, and affiliated research institute collaborate to provide highly complex surgeries and advanced medical care, train next-generation medical professionals, and promote clinical research and data science. To continue fulfilling these missions, strengthening the educational and research infrastructure utilizing AI, digital technology, and cutting-edge medicine is positioned as a key management priority.

DeNA operates a wide range of businesses, from games and entertainment to healthcare, medical, sports, and community development. In addition to its expertise in digital technology in the healthcare and medical fields, DeNA possesses AI utilization know-how cultivated through its company-wide "AI All-In" initiative. Furthermore, DeNA has a track record in promoting medical DX in Kanagawa, including signing a comprehensive partnership agreement with Yokohama City University in March 2026 and establishing a joint research department within its affiliated hospital in June of the same year.

This Agreement will leverage the strengths of both parties to promote initiatives aimed at solving issues in the medical and healthcare fields through data and AI technology.

※ Multimodal RWD (Real World Data) refers to a platform that utilizes clinical records, examination images, surgical videos, and various documents, including departmental system data generated and recorded in daily medical practice, regardless of their format.

Main Collaboration Items

Based on this Agreement, the parties will mutually collaborate on the following items:

Addressing challenges in the medical and healthcare fields using AI and digital technology

Utilization and promotion of the latest technologies in education and research activities

Advancement of data-driven medical practice and hospital management

Future Outlook

Based on this Agreement, both parties will sequentially promote specific joint initiatives. In the future, they aim to contribute to the realization of sustainable medical and social infrastructure by widely returning the outcomes and knowledge gained through this Agreement to society.

Comments from Representatives

Katsuya Akashi, President, St. Marianna University School of Medicine

As the only university in Kawasaki City with a designated core hospital, St. Marianna University School of Medicine intends to further deepen its role as the core of regional healthcare under the new regional healthcare vision. To achieve this, we are exploring new possibilities in medical collaboration and data sharing by applying various AI and digital technologies. At the same time, we plan to promptly return research results from our university's broad range of fields, from basic to clinical, to the regional medical front lines through data utilization. We are pleased to deepen our cooperation with DeNA, which has a high affinity with Kawasaki City and continues to be active in various fields. We will create new synergistic effects that contribute to the future development of regional healthcare by merging the company's excellent AI and digital technologies, outstanding creativity, and action-oriented approach with our university's agility and innovative thinking.

Shingo Okamura, Chairman, DeNA Co., Ltd.

In the healthcare and medical fields, DeNA aims to "realize a society where people can live healthy and fulfilling lives" and has been working to solve issues in the medical field through technology. In particular, utilizing medical data and supporting clinical practice and hospital management with AI are themes that align deeply with DeNA's company-wide "AI All-In" strategy. Furthermore, DeNA has been continuously working to enrich the lives of Kawasaki citizens through initiatives such as operating the Kawasaki Brave Thunders and the "Kawasaki Arena-City Project." We are deeply honored to be able to comprehensively collaborate with St. Marianna University Hospital, which has been delivering advanced medical care, education, and research to the region for many years in Kawasaki. We will make every effort to achieve significant results through this agreement and ensure that these results reach the people of Kawasaki and Kanagawa, as well as everyone supporting Japanese healthcare.

About St. Marianna University School of Medicine

St. Marianna University School of Medicine was founded in 1971 by Dr. Yoshikazu Akashi. The university, affiliated hospital, and affiliated research institute collaborate to nurture individuals who can protect the dignity of life, recognize their mission as physicians, and contribute to the welfare of humanity. St. Marianna University Hospital, in its role as a designated core hospital, provides and develops/trains highly complex surgeries and advanced medical care under a sophisticated medical safety management system. A new inpatient building opened in January 2023, expanding the medical care system, followed by the renewal and reopening of the outpatient and entrance buildings in January 2025. With a grand opening scheduled for June 2027, it aims for further development as a central regional hospital that is indispensable to patients, the times, and society. https://www.marianna-u.ac.jp/

About DeNA Co., Ltd.

DeNA's distinctive feature is its wide range of businesses, including games, live communities, sports, community development, and healthcare/medical, all driven by the mission "Delight Surprise the World." Since its founding, DeNA has created numerous businesses based on the strong passion and high technical capabilities of its ambitious employees, developing and operating value-added services that accurately capture customer needs. Currently, towards mid-to-long-term growth centered on AI, DeNA is working on improving productivity and strengthening the competitiveness of existing businesses, as well as creating and growing new businesses, primarily through its AI expert team. Established in March 1999, listed on the Tokyo Stock Exchange Prime Market (Stock Code: 2432). For details, visit https://dena.com/jp/