Announcement of New Executive Officer Appointments at DearOne Inc.

DearOne Inc. (Headquarters: Minato-ku, Tokyo; Representative Director: Yasuhisa Kawano; hereinafter: DearOne), a new business-oriented subsidiary of NTT Docomo, Inc. in the marketing field, announced that Kazumasa Yasuda, Kazuhito Matsuda, and Kenji Hosokawa will be newly appointed as executive officers from April 1, 2026, to strengthen its management structure and further accelerate business growth.

With the appointment of these three new executive officers, DearOne will strengthen the growth foundation of each business, maximize business growth, and contribute even more to society.

■ Kazumasa Yasuda Profile

Executive Officer, VP, Corporate Strategy Department & AI Promotion Office

Holds a Certified Small and Medium Enterprise Management Consultant qualification. After working as a PC sales store manager, IT engineer, and marketing for an IT infrastructure SIer, he joined DearOne in 2020.

At DearOne, he served as a manager in marketing, inside sales, and partner alliances, building a collaborative system for marketing, inside sales, and sales. From 2023, he served as General Manager of the Business Strategy Department in the administration division. Appointed Executive Officer in April 2026.

■ Kazuhito Matsuda Profile

Executive Officer, VP, Marketing Department

Engaged in marketing, CRM, and data analysis at Benesse Corporation and SoftBank. Subsequently, he led digital marketing strategies for regional banks and BtoB SaaS companies at Dentsu Digital.
Most recently, after serving as head of marketing at several startups, he joined DearOne Inc. in 2023. Appointed Executive Officer in April 2026.

■ Kenji Hosokawa Profile

Executive Officer, VP, Technical Solutions Department

As a founding member of DearOne in 2011, he spearheaded the expansion of the hands-on app development service "ModuleApps". He has provided app introduction and operation support to companies across various industries and business types, and has been involved in the development and operation support of over 50 owned apps to date. From 2023, he served as General Manager of the Development Department, promoting the planning and development of proprietary products. Appointed Executive Officer in April 2026.

■ About DearOne Inc.

DearOne Inc. is a new business-oriented subsidiary of NTT Docomo, Inc. in the marketing field. It offers "ModuleApps2.0," which allows companies to develop official apps by simply incorporating necessary functions from a rich set of app features. It also provides "ARUTANA," a retail media platform that can deliver advertisements across a group of official retail apps. Furthermore, DearOne handles various martech tools such as "Amplitude" for user behavior analysis, "Contentsquare" for customer experience analysis, and "VWO" for A/B testing, supporting the growth of digital products such as apps and e-commerce sites.

・Representative Director: Yasuhisa Kawano, President and CEO

・Head Office: NTT Toranomon Building 4F, 3-8-8 Toranomon, Minato-ku, Tokyo

・URL: https://www.dearone.io/