HASEKO Executive and Leadership Team

June, 2026

Leadership Overview

HASEKO has 10 executives leading key functions including strategy, operations, and development.

Driven by a commitment to excellence, HASEKO specializes in comprehensive condominium development, managing every project phase from design to maintenance and impacting housing markets across Asia and North America.

Leadership Roles at HASEKO

  • President & Chief Executive Officer - Hiroshi Tanno
  • President & Representative Director - Satoshi Kumano
  • Senior Operating Officer - Ryoichi Hamada
  • Senior Operating Officer - Tsunehisa Mitamura
  • Senior Operating Officer - Hirohito Tamura
  • Senior Operating Officer - Masahito Koizumi
  • Senior Operating Officer - Toru Wakabayashi
  • Senior Operating Officer - Yutaka Okada
  • Senior Operating Officer - Yoshifumi Sadanaga
  • Senior Operating Officer - Syoji Naraoka
  • Hiroshi Tanno - President & Chief Executive Officer

    Hiroshi Tanno, the President & Chief Executive Officer at HASEKO, directs the overarching corporate strategy and global business development. Tanno guides the company's expansion initiatives, ensuring alignment with HASEKO's mission of comprehensive condominium development. This leadership role involves setting the strategic vision for all operations, from initial design and construction through sales and long-term maintenance. By focusing on market opportunities across Asia and North America, Hiroshi Tanno drives the company's international growth and solidifies its position as a leader in the housing market. The President & Chief Executive Officer ensures operational efficiency and financial performance, maintaining HASEKO's standing on the Nikkei 225 index.

    Satoshi Kumano - President & Representative Director

    Satoshi Kumano, the President & Representative Director at HASEKO, oversees the execution of strategic initiatives and ensures robust corporate governance. Kumano's responsibilities include managing the day-to-day operations of the vertically integrated business model, which spans design, construction, sales, and maintenance of condominium projects. This critical role involves fostering collaboration among subsidiaries and internal departments to maintain HASEKO's high standards of quality and service. By focusing on operational excellence, Satoshi Kumano supports the company's significant presence in the Japanese housing market and its international expansion efforts across Asia and North America. The President & Representative Director champions innovation in development practices, driving HASEKO's continued success.
    Satoshi Kumano

    Ryoichi Hamada - Senior Operating Officer

    Ryoichi Hamada, the Senior Operating Officer at HASEKO, directs critical operational functions within the company's condominium development lifecycle. Hamada focuses on optimizing the construction and design phases, ensuring projects meet HASEKO's stringent quality and efficiency benchmarks. This leadership position involves overseeing the integration of advanced construction technologies and sustainable building practices across all developments. By managing the operational flow from conception to completion, Ryoichi Hamada directly contributes to the company's ability to deliver comprehensive services to clients. The Senior Operating Officer plays a key part in maintaining HASEKO's reputation for excellence in the Japanese and international markets.

    Tsunehisa Mitamura - Senior Operating Officer

    Tsunehisa Mitamura, the Senior Operating Officer at HASEKO, spearheads the sales and marketing strategies for condominium projects. Mitamura drives market penetration and revenue generation by identifying new opportunities and strengthening customer relationships across Asia and North America. This role involves developing innovative sales approaches and ensuring effective communication of HASEKO's value proposition to potential buyers. By overseeing the sales pipeline and market outreach, Tsunehisa Mitamura directly supports the company's growth objectives and its established presence in key global housing markets. The Senior Operating Officer ensures that sales efforts align with the overall development and maintenance services offered by HASEKO.

    Hirohito Tamura - Senior Operating Officer

    Hirohito Tamura, the Senior Operating Officer at HASEKO, manages the post-construction and maintenance services, ensuring long-term client satisfaction and property value. Tamura oversees the operational framework for property management, addressing resident needs and maintaining the integrity of condominium developments across HASEKO's portfolio. This leadership function is crucial for upholding the company's commitment to comprehensive lifecycle services. By ensuring efficient and responsive maintenance operations, Hirohito Tamura reinforces HASEKO's reputation for reliability and quality. The Senior Operating Officer's focus on sustained property excellence supports the company's enduring market presence and client loyalty.

    Masahito Koizumi - Senior Operating Officer

    Masahito Koizumi, the Senior Operating Officer at HASEKO, directs the company's financial operations and strategic investment planning. Koizumi oversees budgeting, financial reporting, and capital allocation to support HASEKO's extensive condominium development projects and international expansion. This role is vital for ensuring the financial health and sustainable growth of the organization, particularly in managing its listing on the Nikkei 225. By optimizing financial strategies, Masahito Koizumi enables HASEKO to undertake ambitious projects and maintain operational stability across its diverse markets in Asia and North America. The Senior Operating Officer ensures fiscal discipline and drives profitability.

    Toru Wakabayashi - Senior Operating Officer

    Toru Wakabayashi, the Senior Operating Officer at HASEKO, leads the company's human resources and organizational development initiatives. Wakabayashi focuses on cultivating a skilled workforce and fostering a corporate culture that supports HASEKO's mission of excellence in condominium development. This role involves strategic talent acquisition, employee training, and ensuring compliance with labor regulations across HASEKO's operations in Asia and North America. By developing robust HR strategies, Toru Wakabayashi enhances the company's capacity to deliver high-quality design, construction, sales, and maintenance services. The Senior Operating Officer ensures that HASEKO's human capital drives its continued success and market leadership.

    Yutaka Okada - Senior Operating Officer

    Yutaka Okada, the Senior Operating Officer at HASEKO, oversees the company's legal affairs and corporate compliance functions. Okada ensures that all HASEKO operations adhere to national and international regulations, safeguarding the company's interests and reputation. This critical role involves managing legal aspects of condominium development, sales contracts, and international business dealings across Asia and North America. By providing expert legal guidance, Yutaka Okada supports the company's vertically integrated business model and its commitment to ethical business practices. The Senior Operating Officer plays a vital part in mitigating risks and ensuring the smooth execution of HASEKO's strategic objectives.

    Yoshifumi Sadanaga - Senior Operating Officer

    Yoshifumi Sadanaga, the Senior Operating Officer at HASEKO, directs the company's technological innovation and digital transformation efforts. Sadanaga spearheads the integration of advanced technologies in design, construction, and property management, enhancing efficiency and project quality. This role is essential for maintaining HASEKO's competitive edge in the rapidly evolving construction industry. By championing digital solutions, Yoshifumi Sadanaga supports the company's comprehensive service offerings and its expansion into new markets across Asia and North America. The Senior Operating Officer ensures that HASEKO leverages technology to optimize its vertically integrated business model and deliver superior value.

    Syoji Naraoka - Senior Operating Officer

    Syoji Naraoka, the Senior Operating Officer at HASEKO, manages the company's supply chain and procurement operations for all development projects. Naraoka ensures the timely and cost-effective acquisition of materials and services, critical for maintaining HASEKO's construction timelines and budget adherence. This role involves optimizing supplier relationships and implementing efficient logistics across operations in Asia and North America. By streamlining procurement processes, Syoji Naraoka directly contributes to the company's ability to deliver high-quality condominiums efficiently. The Senior Operating Officer plays a key role in supporting HASEKO's vertically integrated business model and its market competitiveness.

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    Frequently Asked Questions Regarding HASEKO Top Executives and Leadership Team

    Who leads HASEKO?
    HASEKO is led by Hiroshi Tanno (President & Chief Executive Officer), along with executives such as Satoshi Kumano (President & Representative Director) and Ryoichi Hamada (Senior Operating Officer).
    Who is part of HASEKO’s executive team?
    The executive team of HASEKO includes leaders such as Hiroshi Tanno (President & Chief Executive Officer), Satoshi Kumano (President & Representative Director), Ryoichi Hamada (Senior Operating Officer) and other senior executives.
    How many executives does HASEKO have?
    HASEKO has 10 executives leading key business areas.
    What roles are included in HASEKO’s leadership team?
    The leadership team of HASEKO includes roles such as President & Chief Executive Officer, President & Representative Director, Senior Operating Officer, Senior Operating Officer, Senior Operating Officer.