Well-i and Keio University Professor Emeritus Fuminori Katsukawa Sign Comprehensive Partnership Agreement to Promote Data Health Plans for Local Government Employee Mutual Aid Associations

Well-i Inc. (Headquarters: Shinagawa-ku, Tokyo; President: Rintaro Hayashi; hereinafter "Well-i") has entered into a comprehensive partnership agreement with Fuminori Katsukawa, Professor Emeritus at Keio University and a researcher specializing in lifestyle diseases and medical data analysis, effective July 1, 2026. Professor Katsukawa also serves as an expert in business evaluation and verification for the data health plans of local government employee mutual aid associations.

This agreement aims to promote the data health plans of designated city employee mutual aid associations, municipal employee mutual aid associations, and city employee mutual aid associations (hereinafter "Local Government Employee Mutual Aid Associations (Municipalities)"), which are established based on the Local Government Employee Mutual Aid Association Act (Law No. 152 of 1962). This initiative will integrate public health academic research with practical data analysis, contributing to the advancement of data health plans for insurers such as Local Government Employee Mutual Aid Associations (Municipalities) to promote health and optimize medical expenses.

Background of the Agreement

Amidst rising medical costs and the spread of lifestyle diseases as societal challenges, there is a growing demand for the advancement of data health plans utilizing data such as medical claims and specific health checkups. However, many associations currently face challenges in advanced analysis, application to policy measures, and academic validation.

Through this collaboration, we will address these challenges by combining academic knowledge with analysis based on real-world data, promoting initiatives with a view toward practical application.

Objectives of the Agreement

This agreement aims to achieve the following by integrating Professor Katsukawa's clinical and public health knowledge with our company's data analysis capabilities:

Maintenance and promotion of health for insurers such as Local Government Employee Mutual Aid Associations (Municipalities)

Optimization of medical expenses

Advancement of data health policies based on scientific evidence

Development of academic research and acceleration of social implementation

Main Collaboration Details

Based on this agreement, we will promote the following initiatives:

Academic supervision for the formulation, implementation, and evaluation of data health plans

Advancement of analytical methods for medical claims and specific health checkup data

Promotion of research and analysis utilizing practical data

Dissemination of knowledge through academic and research paper presentations

Profile and Comments of Fuminori Katsukawa

Fuminori Katsukawa, Professor Emeritus at Keio University

A medical doctor specializing in internal medicine (endocrinology and metabolism) and sports medicine.

After graduating from Keio University School of Medicine in 1985, he engaged in research and education at the Department of Internal Medicine and the Center for Sports Medicine at the same university. He served as Associate Professor and Deputy Director of the Center, then as Professor from 2011 and Director from 2016, becoming Professor Emeritus in 2024.

His research focuses on lifestyle diseases, obesity, diabetes, and medical cost analysis. He is also involved in advancing the data health field through integrated analysis of medical claims and health checkup data, and disease prediction research utilizing machine learning. Furthermore, he possesses extensive experience and achievements in data health plans for local government employee mutual aid associations, serving as an expert in data analysis, business evaluation, and verification, and is involved in practical improvement proposals and effectiveness verification.

<Professor Katsukawa's Comment>

"It is important to reflect the knowledge of lifestyle disease clinical practice and public health into real-world systems and practices. Through this collaboration, I expect to further accelerate the implementation of data health policies based on scientific evidence, contribute to the promotion of health and well-being for the working generation, and the construction of a sustainable healthcare system."

About Well-i Inc.

Well-i Inc. provides well-being support for corporations and health insurance societies based on data analysis and expert knowledge. We offer total support from strategy planning for corporate health management and data health to the execution of measures that "provide insights and encourage action," such as measurement events, conditioning, seminars, and content. We also focus on supporting certification for excellent corporations in health management, and specialize in customized consulting tailored to each company.

[Company Overview]

Company Name: Well-i Inc. https://wel-i.com

Headquarters Location: Nissei Gotanda Ekimae Building 2F, 5-26-5 Higashi-Gotanda, Shinagawa-ku, Tokyo

President and Representative Director: Rintaro Hayashi

Business Activities:

1. Well-being consulting, including system compliance for corporations and insurers

2. Well-being solutions such as physical fitness tests and online individual guidance

3. Well-being content such as seminars, videos, columns, and quizzes

[Contact Information for Inquiries]

Well-i Inc.

Sales Representative: Yamazaki s-yamazaki@wel-i.com

Public Relations Representative: Miwa n-miwa@wel-i.com

Phone Number: 03-6910-4981

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