Rakuten Kobo Executive and Leadership Team

May, 2026

Leadership Overview

Rakuten Kobo has 10 executives leading key functions including strategy, technology, and finance.

Driven by innovation, Rakuten Kobo is dedicated to providing a seamless digital reading experience, connecting readers worldwide with a vast library of e-books and audiobooks, and fostering a global community of book lovers.

Leadership Roles at Rakuten Kobo

  • Chief Executive Officer - Kazumasa Mise
  • President & Chief Executive Officer - Masayoshi Kaneko
  • Co-Chief Executive Officer - Sharad Sriwastawa
  • Chief Executive Officer, Strategy Office - Akari Imamura
  • Chief Financial Officer - Anna Giagkou
  • Director and Chief Financial Officer - Satoru Yamatomi
  • Chief Technology Officer - Trevor Hunter
  • Chief Revenue Officer - Udai Kanukolanu
  • Chief of Staff, Global CDO Office - Bettina Tso
  • Ai Strategy Office Chief of Staff - Tomohide Nagashima
  • Kazumasa Mise - Chief Executive Officer

    Kazumasa Mise, the Chief Executive Officer at Rakuten Kobo, directs the company's overall strategic vision and operational execution. This leadership role involves guiding the organization through evolving market dynamics and ensuring alignment with Rakuten's broader corporate objectives. Mise focuses on driving sustainable growth and enhancing Rakuten Kobo's competitive position within the digital publishing and reading industry. The Chief Executive Officer's responsibilities include fostering innovation across all departments and optimizing resource allocation to achieve key business milestones. By overseeing critical decision-making processes, Kazumasa Mise ensures the company maintains its commitment to delivering exceptional value to customers and stakeholders. This executive's purview encompasses global market penetration and the strategic development of new product offerings.

    Masayoshi Kaneko - President & Chief Executive Officer

    Masayoshi Kaneko, the President & Chief Executive Officer at Rakuten Kobo, spearheads the company's global expansion and strategic partnerships. This executive role involves cultivating relationships with key industry players and identifying new avenues for market development across North America, Europe, and Asia. Kaneko drives initiatives aimed at increasing user engagement and expanding the digital content catalog. The President & Chief Executive Officer's mandate includes overseeing the integration of new technologies and ensuring operational efficiency across all international markets. By championing a forward-thinking approach, Masayoshi Kaneko strengthens Rakuten Kobo's brand presence and market leadership. This position requires a deep understanding of global business trends and a commitment to fostering a collaborative international work environment.

    Sharad Sriwastawa - Co-Chief Executive Officer

    Sharad Sriwastawa, the Co-Chief Executive Officer at Rakuten Kobo, shares responsibility for the company's strategic direction and operational oversight. This leadership position focuses on driving innovation in product development and enhancing the customer experience. Sriwastawa oversees the integration of advanced technologies to improve the e-reading and audiobook platforms. The Co-Chief Executive Officer's duties include managing cross-functional teams to ensure seamless product launches and market adoption. By collaborating closely with other executive leaders, Sharad Sriwastawa ensures that Rakuten Kobo remains at the forefront of the digital content industry. This role demands a keen insight into consumer behavior and a commitment to delivering high-quality digital reading solutions.

    Akari Imamura - Chief Executive Officer, Strategy Office

    Akari Imamura, the Chief Executive Officer, Strategy Office at Rakuten Kobo, leads the development and execution of long-term strategic initiatives. This executive role focuses on identifying emerging market opportunities, evaluating potential business ventures, and aligning corporate strategy with global trends in digital media and technology. Imamura oversees strategic planning processes, market analysis, and competitive intelligence to inform executive decision-making. The Chief Executive Officer, Strategy Office's responsibilities include fostering innovation and driving cross-departmental collaboration to achieve strategic objectives. By guiding the company's strategic foresight, Akari Imamura ensures Rakuten Kobo remains agile and positioned for sustained success in the competitive digital publishing landscape.

    Anna Giagkou - Chief Financial Officer

    Anna Giagkou, the Chief Financial Officer at Rakuten Kobo, oversees the company's financial planning, reporting, and risk management functions. This executive role involves managing budgets, optimizing capital allocation, and ensuring compliance with financial regulations across all operating regions. Giagkou directs the accounting, treasury, and financial analysis departments, providing strategic financial insights to support business decisions. The Chief Financial Officer's responsibilities include developing financial models, managing investor relations, and safeguarding the company's assets. By maintaining rigorous financial discipline, Anna Giagkou ensures the long-term economic stability and growth of Rakuten Kobo, supporting its mission to provide accessible digital reading experiences worldwide.

    Satoru Yamatomi - Director and Chief Financial Officer

    Satoru Yamatomi, the Director and Chief Financial Officer at Rakuten Kobo, shares responsibility for the company's financial health and strategic fiscal management. This executive role involves overseeing financial operations, including budgeting, forecasting, and financial reporting, with a focus on ensuring fiscal integrity and compliance. Yamatomi collaborates with the broader finance team to implement robust financial controls and drive operational efficiencies across the organization. The Director and Chief Financial Officer's duties include analyzing financial performance, identifying cost-saving opportunities, and supporting strategic investment decisions. By contributing to sound financial governance, Satoru Yamatomi reinforces Rakuten Kobo's commitment to sustainable business practices and financial stability.

    Trevor Hunter - Chief Technology Officer

    Trevor Hunter, the Chief Technology Officer at Rakuten Kobo, architects the company's technological infrastructure and innovation roadmap. This critical role involves overseeing the development and maintenance of the e-reader hardware, software platforms, and digital content delivery systems. Hunter drives the adoption of cutting-edge technologies to enhance user experience and ensure platform scalability and security across global operations. The Chief Technology Officer's responsibilities extend to managing the engineering teams, guiding research and development efforts, and ensuring technological alignment with business objectives. By leading technological advancements, Trevor Hunter ensures Rakuten Kobo maintains a competitive edge in the digital publishing market, supporting the delivery of e-books and audiobooks to a worldwide audience.
    Trevor Hunter

    Udai Kanukolanu - Chief Revenue Officer

    Udai Kanukolanu, the Chief Revenue Officer at Rakuten Kobo, directs all revenue-generating activities and sales strategies across global markets. This executive role focuses on maximizing income streams from e-book sales, audiobook subscriptions, and device sales. Kanukolanu oversees the sales teams, develops pricing strategies, and identifies new partnership opportunities to expand market reach. The Chief Revenue Officer's responsibilities include analyzing market trends to forecast revenue and drive profitable growth. By optimizing sales processes and fostering strong customer relationships, Udai Kanukolanu ensures the financial health and expansion of Rakuten Kobo's digital content and hardware offerings. This leadership position is pivotal in achieving the company's commercial objectives.

    Bettina Tso - Chief of Staff, Global CDO Office

    Bettina Tso, the Chief of Staff, Global CDO Office at Rakuten Kobo, provides strategic support and operational coordination for the Chief Digital Officer's initiatives. This role involves managing key projects, facilitating communication across global teams, and ensuring the efficient execution of digital transformation strategies. Tso oversees the operational aspects of the CDO's office, driving alignment between departmental goals and the overarching company vision. The Chief of Staff, Global CDO Office's responsibilities include streamlining workflows, preparing executive briefings, and managing special assignments to enhance digital product offerings and customer engagement. By optimizing operational efficiency, Bettina Tso supports the strategic advancement of Rakuten Kobo's digital platforms and services.

    Tomohide Nagashima - Ai Strategy Office Chief of Staff

    Tomohide Nagashima, the Ai Strategy Office Chief of Staff at Rakuten Kobo, supports the strategic development and implementation of artificial intelligence initiatives. This role involves coordinating AI-related projects, facilitating communication between technical teams and business units, and ensuring alignment with the company's overall AI strategy. Nagashima manages operational aspects of the AI Strategy Office, driving efficiency and progress in AI research and application. The Ai Strategy Office Chief of Staff's responsibilities include preparing strategic documentation, tracking project milestones, and supporting the integration of AI technologies to enhance product features and customer experiences. By ensuring effective coordination, Tomohide Nagashima advances Rakuten Kobo's capabilities in leveraging AI for innovation.

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    Frequently Asked Questions Regarding Rakuten Kobo Top Executives and Leadership Team

    Who leads Rakuten Kobo?
    Rakuten Kobo is led by Kazumasa Mise (Chief Executive Officer), along with executives such as Masayoshi Kaneko (President & Chief Executive Officer) and Sharad Sriwastawa (Co-Chief Executive Officer).
    Who is part of Rakuten Kobo’s executive team?
    The executive team of Rakuten Kobo includes leaders such as Kazumasa Mise (Chief Executive Officer), Masayoshi Kaneko (President & Chief Executive Officer), Sharad Sriwastawa (Co-Chief Executive Officer) and other senior executives.
    How many executives does Rakuten Kobo have?
    Rakuten Kobo has 10 executives leading key business areas.
    What roles are included in Rakuten Kobo’s leadership team?
    The leadership team of Rakuten Kobo includes roles such as Chief Executive Officer, President & Chief Executive Officer, Co-Chief Executive Officer, Chief Executive Officer, Strategy Office, Chief Financial Officer.