HASEKO Executive and Leadership Team

July, 2026

Leadership Overview

HASEKO has 9 executives leading key functions including strategy, operations, and development.

Driven by a commitment to quality, HASEKO is dedicated to shaping urban living through comprehensive condominium development, fostering sustainable communities, and delivering exceptional value across Asia and North America.

Leadership Roles at HASEKO

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

    Satoshi Kumano, the President & Representative Director at HASEKO, architects the overarching corporate strategy and guides the company's direction in condominium development. Kumano's leadership encompasses the full spectrum of HASEKO's operations, from initial design and construction to sales and long-term maintenance, ensuring a cohesive and vertically integrated business model. This role involves setting strategic objectives for market expansion, particularly across Asia and North America, and reinforcing HASEKO's significant presence in the Japanese housing sector. Satoshi Kumano drives initiatives that enhance the company's financial performance and market positioning, as evidenced by its listing on the Nikkei 225. The representative director's mandate includes fostering innovation within the development lifecycle and ensuring sustained growth and operational excellence across all global activities.
    Satoshi Kumano

    Toru Wakabayashi - Senior Operating Officer

    Toru Wakabayashi, the Senior Operating Officer at HASEKO, directs critical operational segments within the company's vertically integrated condominium development model. Overseeing specific functional areas, Toru Wakabayashi ensures the seamless execution of design, construction, and sales processes, aligning with HASEKO's established market presence in Japan and its international expansion. This leadership involves managing cross-functional teams to maintain project timelines and quality standards, directly contributing to the company's reputation for comprehensive lifecycle services. The operational scope extends to optimizing resource allocation and driving efficiency across development projects, reinforcing HASEKO's position in the competitive housing market. Wakabayashi's focus remains on enhancing the delivery of residential properties that meet evolving consumer needs and market demands across Asia and North America.

    Hirohito Tamura - Senior Operating Officer

    Hirohito Tamura, the Senior Operating Officer at HASEKO, spearheads key operational initiatives within the company's extensive condominium development framework. Tamura's responsibilities include overseeing specific segments of the design and construction phases, ensuring adherence to HASEKO's rigorous quality and efficiency standards. This leadership role supports the company's vertically integrated approach, managing the complex interplay between various subsidiaries and internal operations. Hirohito Tamura contributes to the strategic deployment of resources across projects in Japan and international markets, including Asia and North America. The focus remains on optimizing construction methodologies and project management to uphold HASEKO's market leadership and deliver high-value residential properties. Tamura's efforts are crucial for maintaining project momentum and achieving development targets.

    Ryoichi Hamada - Senior Operating Officer

    Ryoichi Hamada, the Senior Operating Officer at HASEKO, directs significant aspects of the company's sales and after-sales service operations for condominium projects. Hamada's purview includes developing and executing sales strategies that align with HASEKO's market presence in Japan and its international ventures across Asia and North America. This role is vital for translating the company's development efforts into tangible market success and sustained customer satisfaction. Ryoichi Hamada oversees the customer engagement lifecycle, ensuring that HASEKO's comprehensive services, from initial purchase to ongoing maintenance, meet the highest standards. The objective is to strengthen HASEKO's brand reputation and drive revenue growth through effective sales channels and robust client relationship management.

    Yoshifumi Sadanaga - Senior Operating Officer

    Yoshifumi Sadanaga, the Senior Operating Officer at HASEKO, manages critical functions related to the financial and administrative aspects of condominium development. Sadanaga's responsibilities encompass overseeing budgeting, financial planning, and resource allocation across HASEKO's diverse projects in Japan and its international operations in Asia and North America. This leadership ensures the financial viability and operational efficiency of the company's vertically integrated model. Yoshifumi Sadanaga plays a key part in maintaining HASEKO's strong financial standing and supporting its growth objectives. The focus is on implementing sound financial controls and driving profitability, thereby reinforcing the company's position as a leading developer listed on the Nikkei 225 index.

    Yutaka Okada - Senior Operating Officer

    Yutaka Okada, the Senior Operating Officer at HASEKO, oversees strategic planning and business development initiatives for the company's condominium projects. Okada's role involves identifying new market opportunities, both domestically in Japan and internationally across Asia and North America, and formulating strategies for expansion. This leadership function is critical for HASEKO's sustained growth and its ability to adapt to evolving market dynamics. Yutaka Okada drives the exploration of innovative development approaches and partnerships that enhance HASEKO's competitive edge. The objective is to solidify the company's position as a premier developer by proactively shaping its future trajectory and ensuring long-term value creation.

    Masahito Koizumi - Senior Operating Officer

    Masahito Koizumi, the Senior Operating Officer at HASEKO, directs the company's comprehensive maintenance and property management services for its condominium developments. Koizumi's responsibilities ensure that HASEKO's commitment to the entire lifecycle of condominium projects extends beyond sales, providing ongoing value and support to residents. This leadership role is integral to maintaining HASEKO's reputation for quality and customer care across Japan and its international markets in Asia and North America. Masahito Koizumi oversees the operational frameworks that guarantee efficient and effective property upkeep, contributing to resident satisfaction and long-term asset value. The focus is on delivering exceptional post-construction services that reinforce HASEKO's brand promise.

    Syoji Naraoka - Senior Operating Officer

    Syoji Naraoka, the Senior Operating Officer at HASEKO, leads the company's efforts in design and architectural innovation for its condominium projects. Naraoka's role is central to ensuring that HASEKO's developments are not only structurally sound but also aesthetically advanced and functionally superior, meeting the diverse needs of residents. This leadership drives the integration of cutting-edge design principles and sustainable building practices across HASEKO's operations in Japan and its international expansion into Asia and North America. Syoji Naraoka collaborates closely with construction and sales teams to translate visionary designs into tangible, high-quality residential spaces. The focus is on enhancing the living experience through thoughtful and forward-thinking architectural solutions.

    Tsunehisa Mitamura - Senior Operating Officer

    Tsunehisa Mitamura, the Senior Operating Officer at HASEKO, oversees critical aspects of the company's supply chain and procurement for condominium development projects. Mitamura's responsibilities ensure the efficient and cost-effective acquisition of materials and services necessary for HASEKO's vertically integrated operations. This leadership role is vital for maintaining project timelines and quality standards across HASEKO's domestic and international activities in Asia and North America. Tsunehisa Mitamura focuses on optimizing logistics and supplier relationships to support the company's extensive development pipeline. The objective is to enhance operational efficiency and contribute to the overall profitability and market competitiveness of HASEKO Corporation.

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    Frequently Asked Questions Regarding HASEKO Top Executives and Leadership Team

    Who leads HASEKO?
    HASEKO is led by Satoshi Kumano (President & Representative Director), along with executives such as Toru Wakabayashi (Senior Operating Officer) and Hirohito Tamura (Senior Operating Officer).
    Who is part of HASEKO’s executive team?
    The executive team of HASEKO includes leaders such as Satoshi Kumano (President & Representative Director), Toru Wakabayashi (Senior Operating Officer), Hirohito Tamura (Senior Operating Officer) and other senior executives.
    How many executives does HASEKO have?
    HASEKO has 9 executives leading key business areas.
    What roles are included in HASEKO’s leadership team?
    The leadership team of HASEKO includes roles such as President & Representative Director, Senior Operating Officer, Senior Operating Officer, Senior Operating Officer, Senior Operating Officer.