Management & Professionals

BOARD
DIRECTOR

  • TSUYOSHI SEGAWA

    CFO: TSUYOSHI SEGAWA

  • SHINPEI NOZOMUTO

    COO: SHINPEI NOZOMUTO

OUTSIDE
DIRECTOR

  • NAOTO OHITSU

    NAOTO OHITSU

  • TAKATSUGU SUZUKI

    TAKATSUGU SUZUKI

EXECUTIVE
OFFICER

  • HISAYO KOGAWARA

    HISAYO KOGAWARA

PARTNER

  • TOMOHIRO IKEGAMI

    TOMOHIRO IKEGAMI

  • TAKANORI ISHII

    TAKANORI ISHII

  • YUMA ITO

    YUMA ITO

  • MASATSUGU IWASAKI

    MASATSUGU IWASAKI

  • MASAHIRO OTA

    MASAHIRO OTA

  • SHINTARO OKAMOTO

    SHINTARO OKAMOTO

  • YU KANOMATA

    YU KANOMATA

  • YUI KAMEWARI

    YUI KAMEWARI

  • KAZUMI KITAHARA

    KAZUMI KITAHARA

  • SATORU KITAMURA

    SATORU KITAMURA

  • HIROSHI SAKAMOTO

    HIROSHI SAKAMOTO

  • YUSUKE SATOH

    YUSUKE SATOH

  • YOHEI SHIBATA

    YOHEI SHIBATA

  • HIDEYUKI SUEMITSU

    HIDEYUKI SUEMITSU

  • RYUICHIRO TODA

    RYUICHIRO TODA

  • SEIYA NAGATA

    SEIYA NAGATA

  • AKIO NIIYAMA

    AKIO NIIYAMA

  • SHUICHI NIGO

    SHUICHI NIGO

  • KAZUFUMI NOBU

    KAZUFUMI NOBU

  • RYO MATSUOKA

    RYO MATSUOKA

  • YUTA MIENO

    YUTA MIENO

  • 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

BOARD DIRECTOR

COO: SHINPEI NOZOMUTO

Business Growth, Operational Transformation, Organization & Talent Strategy

Before joining Dirbato as COO and a member of the Board, Shinpei built their career in the education sector and served as a founding member of a startup at the intersection of neuroscience and business. As an executive leader driving business growth, they oversee the execution of mid- to long-term strategy and the optimization of company-wide operations. Their distinctive strength lies in leveraging organization and talent strategy as a catalyst for accelerating business momentum. They have concurrently served as Representative Director of multiple group companies, leading cross-group synergy creation and reinforcing execution capabilities. From 2026, as COO, they assume overall responsibility for business operations, driving enterprise value through both profitability and organizational strength.

TAOMOHIRO IKEGAMI

PARTNER

TOMOHIRO IKEGAMI

FINANCE(P&C Insurance, LIFE INSURANCE, BANKING), MANUFACTURING

Before joining Dirbato, they worked at a major insurance company, a global consulting firm, and an international IT company. Focused primarily on the financial (non-life/life insurance, banking) and manufacturing sectors, they have extensive experience in management strategy, organizational restructuring, business transformation, and DX strategy/system development. They have a proven track record of successfully driving large-scale transformations for their clients. Their core strength lies in solving complex business challenges by seamlessly integrating both business and IT perspectives.

TAKANORI ISHII

PARTNER

TAKANORI ISHII

FINANCE(BANKING, SECURITIES,LIFE INSURANCE, P&C 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.

YUI KAMEWARI

PARTNER

YUI KAMEWARI

FINANCE(BANKING), MANUFAUTURING, CONSTRUCTION

Before joining Dirbato, they assumed their current position after working for a major package vendor. Their expertise spans a wide range of industries, including manufacturing and construction, covering everything from ERP package development and implementation to operational support. In the financial sector, they have specialized in cybersecurity, focusing on business process improvement and enhancing security activities through AI-driven development. Beyond successfully leading large-scale projects and multiple teams, they provide high-level strategic insights that contribute to overall client growth, transcending the traditional boundaries of project support.

KAZUMI KITAHARA

PARTNER

KAZUMI KITAHARA

INFORMATION COMMUNICATION, PUBLIC, EDUCATION

Before joining Dirbato, they assumed their current position after working for a major Japanese system integration company and a leading global consulting firm. They have extensive experience in PM support for application development and infrastructure construction, centered on business transformation across various industries such as telecommunications, public sector, and education. Furthermore, they have spearheaded large-scale BPO/BPR initiatives utilizing global delivery centers. They excel at supporting management transformation by planning and proposing large-scale operational reforms that leverage technologies such as RPA and OCR with a forward-looking business perspective.

SATORU KITAMURA

PARTNER

SATORU KITAMURA

MOBILITY, COMMUNICATIONS, TRADING COMPANIES, FINANCIAL SERVICES (SECURITIES, BANKING, P&C 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.

YOHEI SHIBATA

PARTNER

YOHEI SHIBATA

PUBLIC, FINANCE(BANKING, SECURITIES), EDUCATION

Before joining Dirbato, they assumed their current position after working for a major system integrator. They have extensive experience across the entire system lifecycle—from cloud, infrastructure, and security conceptualization and strategy to requirement definition and maintenance within the public and financial sectors. As a project manager, they lead large-scale projects and have delivered essential value to clients through their deep technical expertise. Furthermore, they contribute to the development of both new graduates and mid-career hires to expand the pool of talent capable of delivering high-value technical solutions. Their strength lies in providing comprehensive support from both technical and management perspectives.

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.

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.

AKIO NIIYAMA

PARTNER

AKIO NIIYAMA

PUBLIC, FINANCE(BANKING, SECURITIES,LIFE INSURANCE)

Before joining Dirbato, they assumed their current position after working for a major telecommunications company. Their expertise spans a wide range of sectors, from public and finance to academia and healthcare. They have been engaged in every phase of the project lifecycle—including business planning, IT/Operational grand design, and managing large-scale projects using Project Portfolio Management (PPM), as well as operational design and organizational restructuring. While possessing extensive experience in network and infrastructure, they also have a deep understanding of emerging technologies and excel in DX-driven solution planning and new business development.

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.

YUTA MIENO

PARTNER

YUTA MIENO

PUBLIC, INFORMATION COMMUNICATION, FINANCE(BANKING)

Before joining Dirbato, they assumed their current position after working for an independent system integrator.　They have been engaged in a wide range of projects across the public, telecommunications, and financial sectors, spanning from system conceptualization to maintenance with a primary focus on infrastructure. Embodying a true 'partner' mindset, they go beyond the traditional scope of support to drive client business growth through IT strategy, bidding, development, and operations. They excel at delivering forward-looking support by building large-scale project teams and fostering client success through practical employee education.

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.