Management & Professionals

BOARD
DIRECTOR

  • TSUYOSHI SEGAWA

    CFO: TSUYOSHI SEGAWA

OUTSIDE
DIRECTOR

  • NAOTO OHITSU

    NAOTO OHITSU

  • TAKATSUGU SUZUKI

    TAKATSUGU SUZUKI

EXECUTIVE OFFICER

  • HISAYO KOGAWARA

    HISAYO KOGAWARA

  • SHINPEI NOZOMUTO

    SHINPEI NOZOMUTO

PARTNER

  • TAKANORI ISHII

    TAKANORI ISHII

  • YUMA ITO

    YUMA ITO

  • MASATSUGU IWASAKI

    MASATSUGU IWASAKI

  • MASAHIRO OTA

    MASAHIRO OTA

  • SHINTARO OKAMOTO

    SHINTARO OKAMOTO

  • YU KANOMATA

    YU KANOMATA

  • SATORU KITAMURA

    SATORU KITAMURA

  • HIROSHI SAKAMOTO

    HIROSHI SAKAMOTO

  • YUSUKE SATOH

    YUSUKE SATOH

  • HIDEYUKI SUEMITSU

    HIDEYUKI SUEMITSU

  • TERUMITSU TAKAHASHI

    TERUMITSU TAKAHASHI

  • RYUICHIRO TODA

    RYUICHIRO TODA

  • SEIYA NAGATA

    SEIYA NAGATA

  • SHUICHI NIGO

    SHUICHI NIGO

  • KAZUFUMI NOBU

    KAZUFUMI NOBU

  • RYO MATSUOKA

    RYO MATSUOKA

  • RYOTARO WATANABE

    RYOTARO WATANABE

PRINCIPAL ENGINEER

  • ISAMU TAJIMA

    ISAMU TAJIMA

related pages

TSUYOSHI SEGAWA

BOARD DIRECTOR

CFO: TSUYOSHI SEGAWA

M&A, Corporate Development, Investment, Strategy

Before joining Dirbato as CFO and a member of the Board, Tsuyoshi held leadership roles at SoftBank Group, SoftBank Vision Fund, and McKinsey & Company, and served as a startup CFO. They have extensive experience in M&A, corporate development, investment, and strategy, with a proven track record of securing dozens of equity and debt financings in Tokyo, New York, São Paulo, and other markets. Their strength lies in driving value creation by integrating strategy and finance. They are a graduate of Kyoto University (Faculty of Economics) and the MIT Sloan School of Management.

NAOTO OHITSU

OUTSIDE DIRECTOR

NAOTO OHITSU

Finance, M&A, and Real Estate

Before joining Dirbato as an outside director, Naoto held executive roles at Mizuho Bank and served as a government official, and later served as an executive advisor to Mizuho Financial Group and Mizuho Bank. He possesses extensive knowledge and experience across finance, M&A, and real estate, with a track record of supporting approximately 2,500 companies from early to mature stages. With a broad, cross‑functional perspective and extensive experience, his strengths lie in contributing to business strategy formulation, organizational reform, and the promotion of innovation.

TAKATSUGU SUZUKI

OUTSIDE DIRECTOR

TAKATSUGU SUZUKI

CORPORATE MANAGEMENT, M&A, INTERNATIONAL BUSINESS

Before joining Dirbato as an outside director, Takatsugu was appointed a director at the founding of en-japan and led the company through a rapid growth phase, achieving a public listing approximately one and a half years after its establishment. They became President and Representative Director in 2008, and leveraging deep expertise across the human resources sector, drove innovation in Japan’s recruitment market while delivering sustained revenue and profit growth. They now brings to Dirbato proven strengths in strategy execution and broad managerial experience during periods of business expansion, contributing to the enhancement of corporate value.

HISAYO KOGAWARA

EXECUTIVE OFFICER

HISAYO KOGAWARA

FINANCIAL SERVICES (LIFE INSURANCE, SECURITIES), INFORMATION COMMUNICATIONS

Before joining Dirbato, Hisayo assumed their current position after working for a Japanese general consulting firm and an overseas financial corporation. Their strength lies in the fields of DX promotion and project management, and they has built up many results providing support for IT organization reforms as a part of their DX promotion activities. Has gained much experience in operation restructuring in such areas as organization reform, simplification and automation. They has also been responsible for various global projects that demand cross-border problem solving.

SHINPEI NOZOMUTO

EXECUTIVE OFFICER

SHINPEI NOZOMUTO

TALENT DEVELOPMENT, CORPORATE PLANNING

Before joining Dirbato, Shinpei built a career supporting professional development in the education sector and served as a founding member of a neuroscience × business startup. Drawing on this diverse background, they have been instrumental in launching the Employee Success (ES) division, which is dedicated to supporting the growth of both individuals and organizations. In this role, they focus on developing mid- to long-term growth strategies and enhancing employee engagement and workplace satisfaction. Since 2024, they have also served concurrently as President and CEO of group company H.R.I Inc. They have strengths in driving transformation across talent strategy and overall management.

TAKANORI ISHII

PARTNER

TAKANORI ISHII

FINANCE(BANKING, SECURITIES,LIFE INSURANCE, DAMAGE INSURANCE ), DISTRIBUTION, RETAIL, INFORMATION COMMUNICATION

Before joining Dirbato, Takanori assumed their current position after working at a major Japanese SIer and a Japanese general consulting firm, and founded a startup consulting firm. He has been engaged in a wide range of areas, including business strategy formulation, business transformation, service planning and marketing, organizational reform and human resource development, BPR, DX, and large-scale system development management, mainly in the finance, distribution, retail, and information and communications industries. His key strength is the ability to drive initiatives from multiple perspectives.

YUMA ITO

PARTNER

YUMA ITO

DISTRIBUTION, RETAIL, LOGISTICS, PUBLIC

Before joining Dirbato, Yuma assumed their current position after working for a Japanese major System integration company. They have extensive experience and a proven track record in the distribution, logistics, and public sector, including IT-driven planning, business process reengineering, and the upgrade and operation of mission-critical large-scale systems.They specialize in overall system design and project planning, and supports clients in achieving results and sustainable growth by combining on-the-ground perspectives with smooth communication among stakeholders.

MASATSUGU IWASAKI

PARTNER

MASATSUGU IWASAKI

PUBLIC,ELECTRIC POWER,REAL ESTATE, MANUFACTURING

Before joining Dirbato, Masatsugu assumed their current position after working for a System integration company. Leveraging a strong track record in Microsoft infrastructure and cloud solutions—particularly in the office automation domain—they have been engaged in a wide variety of projects across different industries. Masatsugu provides end-to-end support throughout all phases, from planning and conceptualization to proposal development, system design, implementation, and ongoing operations and maintenance. Through this comprehensive approach, they make a significant contribution to clients’ strategic IT adoption and business growth.

MASAHIRO OTA

PARTNER

MASAHIRO OTA

INFORMATION COMMUNICATION, MANUFAUTURING, AVIATION, HUMAN RESOURCES

Before joining Dirbato, Masahiro assumed their current position after working for a major telecommunications carrier and an independent IT consulting firm.They have worked on a wide range areas, from systems and security to applications, with a primary focus on domestic and international networks. In particular, They have extensive experience in optimizing various aspects of ICT and supporting IT strategy development, as well as employee training, organizational improvement, and business assessments, providing strong support for clients in achieving their strategic goals. They specialize in network infrastructure, ICT strategy planning, and project management support, and have a proven track record of success.

SHINTARO OKAMOTO

PARTNER

SHINTARO OKAMOTO

INFORMATION COMMUNICATIONS, RETAIL, DISTRIBUTION, FINANCIAL SERVICES (LIFE INSURANCE)

Before joining Dirbato, Shintaro assumed their current position after working for a Japanese major System integration company. They have been engaged in a wide range of IT-centered projects from strategic planning to implementation support, organizational reform, human resource development, and security in the information communications, distribution, retail, and financial industry. They specialize in projects of high complexity, involving many stakeholders, and with deadlines to meet, such as IT grand design, core system planning and conceptualization, and large-scale system development management.

YU KANOMATA

PARTNER

YU KANOMATA

MANUFACTURING , FINANCIAL SERVICES (BANKING, SECURITIES), INFORMATION COMMUNICATIONS

Before joining Dirbato, Yu assumed their current position after working for a Japanese general consulting firm. Engaged in a wide range of themes from business strategy planning and planning, IT strategy formulation to implementation and operation in manufacturing, financial services (banking, securities), and information communication. They have worked on many projects such as IT strategy/planning, large-scale system development management, etc., and contribute to the steady growth of clients by providing timely solutions based on reliable analysis of the current situation.

SATORU KITAMURA

PARTNER

SATORU KITAMURA

MOBILITY, COMMUNICATIONS, TRADING COMPANIES, FINANCIAL SERVICES (SECURITIES, BANKING, DAMAGE INSURANCE)

Before joining Dirbato, Satoru assumed their current position after working for a systems integrator and a Japanese general consulting firm. Engaged in a wide range of topics, from strategic planning through to implementation support, centered around IT in the fields of mobility, communications, trading companies and financial institutions. Their greatest strength is getting involved with stakeholders throughout the entire company, including management members, and identifying abstract problems to promote methods of solving them based on their indisputable technological skills. Their specialties include proposing new services, considering architectures and improving operations based on their grasp of technological trends in the field of IT.

HIROSHI SAKAMOTO

PARTNER

HIROSHI SAKAMOTO

PUBLIC, INFORMATION COMMUNICATION, FINANCIAL SERVICES (INSURANCE), MEDIA

Before joining Dirbato, Hiroshi assumed their current position after working for a foreign-affiliated IT company. They have been engaged in a wide range of IT infrastructure projects-including on-premises, cloud, and high-performance computing-primarily in the public sector, information and communications, media, and insurance. With extensive experience and a proven track record from IT strategy formulation to large-scale project management, they specialize in IT infrastructure, generative AI, and organizational management. Their strengths include strong project leadership and the ability to coordinate effectively with multiple stakeholders.

YUSUKE SATOH

PARTNER

YUSUKE SATOH

FINANCIAL SERVICES (BANKING, LIFE INSURANCE), COMMUNICATIONS, MANUFACTURING, PUBLIC

Before joining Dirbato, Yusuke assumed their current position after working for a Japanese comprehensive consulting firm. They have mainly been involved in project management related to system development in the financial industry. They have experience in leading DX projects, IT strategies, infrastructure renewal, system integration, and business improvement projects. In particular, they specialize in IT strategy formulation, RFP, requirement definition in the upstream process of the project.

HIDEYUKI SUEMITSU

PARTNER

HIDEYUKI SUEMITSU

INFORMATION COMMUNICATIONS, FINANCIAL　SERVICES (BANKING), SERVICE

Before joining Dirbato, Hideyuki assumed their current position after working for a foreign system integration company, a japanese System integration company, and a japanese IT consulting company. They have extensive experience in overall IT projects, including budgeting, development, and maintenance for system development and implementation projects, mainly in the financial industry. They specialize in negotiating as a client manager, leading large projects and multiple teams, and working as a PM to promote large-scale projects, improve business processes, and improve various existing systems for a wide range of financial institutions.

TERUMITSU TAKAHASHI

PARTNER

TERUMITSU TAKAHASHI

FINANCE (LIFE INSURANCE, DAMAGE INSURANCE), HEALTHCARE

Before joining Dirbato, Terumitsu assumed their current position after working for a domestic insurance-related IT company and a general consultation firm (one of the Big 4 domestic firms, at which he was a partner). Provides consulting services mainly for domestic and overseas insurance companies. Has built up much experience in leading consulting services in a wide range of fields, including post-M&A integration strategy planning, PMI execution support, planning and development support for commodity and services companies, management restructuring, operation restructuring, and human resource training.

RYUICHIRO TODA

PARTNER

RYUICHIRO TODA

FINANCIAL SERVICES (BANKING, SECURITIES), RETAIL, DISTRIBUTION, MANUFACTURING

Before joining Dirbato, Ryuichiro assumed their current position after working for a foreign ISV and Japanese think tank. They specialize in project management related to DX, security and infrastructure, and have experience in leading and promoting a wide range of DX-related fields in one stop, such as account management, operation management, service management, vendor management, and IT roadmap formulation. They also have rich experience in promoting large-scale development projects with tens of thousands of users, and specialize in advanced quality control.

SEIYA NAGATA

PARTNER

SEIYA NAGATA

FINANCIAL SERVICES (SECURITIES,BANKING), COMMUNICATIONS

Before joining Dirbato, Seiya assumed their current position after working for a major securities company and its systems subsidiary. They have been engaged in as a development PM for securities systems and as a planner and promoter in the sales planning department. They have experience in sales planning, IT strategic project planning, and business reform and design. They specialize in project management and leading large-scale projects involving internal and external stakeholders, including management.

SHUICHI NIGO

PARTNER

SHUICHI NIGO

FINANCIAL SERVICES (BANKING, LIFE INSURANCE), ELECTRIC POWER, MANUFACTURING

Before joining Dirbato, Shuichi assumed their current position after working for a Japanese major System integration company. Leveraging a strong background in networks and security, they have been engaged in critical network planning and construction, including bank integrations and the establishment of new banks. They contributed to the stable operation of infrastructure in Japan by engaging in the development of wide-area networks, such as IP net work for power utilities.

KAZUFUMI NOBU

PARTNER

KAZUFUMI NOBU

GAMES, INTERNET, EC, INFORMATION COMMUNICATIONS, TRADING COMPANIES

Before joining Dirbato, Kazufumi assumed their current position after working for a systems integrator and a Japanese general consulting firm. Engaged in various themes centered on the fields of games and the Internet, from IT strategy planning through to system conception and formulation. Places the emphasis on practicality over logic, and is especially skilled at providing flexible support in alignment with client requirements. In particular, they excels at technology consulting encompassing all relevant aspects, from planning the infrastructure of entire companies with the use of the three main cloud services (Amazon, Microsoft and Google) and other universal technologies, through to architecture mounting.

RYO MATSUOKA

PARTNER

RYO MATSUOKA

FINANCIAL SERVICES (BANKING, LIFE INSURANCE), PUBLIC, MANUFACTURING, INFORMATION COMMUNICATION

Before joining Dirbato, Ryo assumed their current position after working for a Japanese major System integration company and a foreign Big 4 consulting firm. They have led numerous projects for clients in the financial sector and government agencies, ranging from overall design and business process reengineering to project management for large-scale system renewal. With a focus on digital transformation (DX), security, and infrastructure, they support clients in achieving significant growth.

RYOTARO WATANABE

PARTNER

RYOTARO WATANABE

FINANCIAL SERVICES (SECURITIES, BANKING)

Before joining Dirbato, Ryotaro assumed their current position after working for several Japanese general consulting firms. Also has a background in IT strategic consulting, execution support, and PM/PMO positions for large-scale developments, etc., concentrated around the Finacial Services. Their main strengths lie in broad-ranging knowledge of everything from IT planning through to execution, operation and effect verification, and in their coordination and promotion skills among stakeholders within and outside of client companies, including management members.

ISAMU TAJIMA

PRINCIPAL ENGINEER

ISAMU TAJIMA

GAMING, INFORMATION COMMUNICATION, E-COMMERCE

Before joining Dirbato, Isamu assumed their current position after working for a leading management consulting firm. They have led a wide range of projects centered on telecommunications/tech and the construction industry, including application development, designing and building cloud infrastructure on AWS, and the design of machine-learning and data platforms. Recently they have been working with cutting-edge technologies such as Web3 and generative AI, providing cross-disciplinary support to clients. In 2025, they founded Backbeat, contributing to raising internal AI capabilities.