Rakuten Kobo Executive and Leadership Team

August, 2026

Leadership Overview

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

Focused on expanding digital reading accessibility, Rakuten Kobo delivers innovative e-reading hardware and vast content libraries to global markets while maintaining a commitment to user-centric design and seamless digital experiences.

Leadership Roles at Rakuten Kobo

  • Chief Executive Officer - Kazumasa Mise
  • Co-Chief Executive Officer - Sharad Sriwastawa
  • Chief Financial Officer - Anna Giagkou
  • Director and Chief Financial Officer - Satoru Yamatomi
  • President, RakAbility ERG - Nathan Fitch
  • Chief Technology Officer - Trevor Hunter
  • Chief Revenue Officer - Udai Kanukonalu
  • Ai Strategy Office Chief of Staff - Tomohide Nagashima
  • Vice Group Manager - Kana Sakaguchi
  • Vice Group Manager - Daisuke Goto
  • Kazumasa Mise - Chief Executive Officer

    Kazumasa Mise, the Chief Executive Officer at Rakuten Kobo, directs the overarching corporate strategy and long-term vision for the digital reading ecosystem. Overseeing the integration of e-book and audiobook services, the Chief Executive Officer ensures alignment between hardware development and content distribution. This leadership role involves navigating complex international markets to maintain a competitive edge in the e-reader industry. By fostering partnerships with publishers and technology providers, Kazumasa Mise drives the expansion of the digital library footprint across North American and European territories. The Chief Executive Officer prioritizes operational excellence to support the company mission of providing accessible reading solutions. Through rigorous oversight of product roadmaps, Mise secures the market position of the organization. This executive leadership ensures that the company remains at the forefront of digital publishing innovation while delivering consistent value to readers worldwide.

    Sharad Sriwastawa - Co-Chief Executive Officer

    Sharad Sriwastawa, the Co-Chief Executive Officer at Rakuten Kobo, manages the operational execution of the global digital reading platform. Focusing on the synergy between tablet hardware and software services, the Co-Chief Executive Officer optimizes the user experience for millions of readers. This role requires constant collaboration with the technology and product teams to refine the e-reader interface and performance. Sharad Sriwastawa drives initiatives that enhance the discoverability of audiobooks and e-books within the digital storefront. By streamlining supply chain logistics and hardware manufacturing processes, the Co-Chief Executive Officer ensures that high-quality devices reach consumers efficiently across diverse geographic regions. Sriwastawa maintains a sharp focus on scaling the digital infrastructure to accommodate growing user demand. This leadership position demands precise coordination of cross-functional teams to achieve sustainable growth and maintain the reputation of the brand as a leader in the digital publishing sector.

    Anna Giagkou - Chief Financial Officer

    Anna Giagkou, the Chief Financial Officer at Rakuten Kobo, manages the financial planning, reporting, and capital allocation for the organization. Overseeing the fiscal health of the company, the Chief Financial Officer ensures that resources are directed toward high-impact growth areas such as hardware innovation and content acquisition. This role involves rigorous financial modeling to support strategic decision-making across all departments. Anna Giagkou drives the implementation of efficient budgeting processes to optimize operational costs while maintaining high standards of service. By collaborating with the executive team, the Chief Financial Officer provides critical insights into the financial viability of new market expansions and product launches. Giagkou monitors global economic conditions to mitigate risks and ensure long-term financial stability for the company. This leadership position requires precise oversight of accounting practices and regulatory compliance. Through disciplined financial management, Giagkou supports the overall mission of delivering premium digital reading experiences to a global audience.

    Satoru Yamatomi - Director and Chief Financial Officer

    Satoru Yamatomi, the Director and Chief Financial Officer at Rakuten Kobo, oversees the corporate governance and financial integrity of the organization. Focusing on the long-term fiscal strategy, the Director and Chief Financial Officer ensures that the company maintains a strong balance sheet while investing in future technology. This role involves managing investor relations and ensuring transparency in financial reporting across all global operations. Satoru Yamatomi drives the development of internal controls to safeguard assets and improve operational efficiency. By collaborating with the board of directors, the Director and Chief Financial Officer aligns financial objectives with the overarching mission of the company. Yamatomi monitors the performance of international business units to ensure consistent profitability and growth. This leadership position requires a deep understanding of corporate finance and strategic planning to navigate the complexities of the digital market. Through rigorous financial oversight, Yamatomi supports the sustainable expansion of the digital reading ecosystem.

    Nathan Fitch - President, RakAbility ERG

    Nathan Fitch, the President, RakAbility ERG at Rakuten Kobo, directs the initiatives focused on fostering an inclusive and accessible workplace culture. Overseeing the employee resource group, the President, RakAbility ERG ensures that the company values diversity and accessibility in all internal and external operations. This role involves advocating for inclusive design practices that make digital reading products more accessible to users with disabilities. Nathan Fitch drives programs that promote awareness and education regarding accessibility standards within the technology sector. By collaborating with the human resources and product teams, the President, RakAbility ERG integrates inclusive principles into the company culture and product development lifecycle. Fitch manages the outreach efforts to ensure that the organization remains committed to social responsibility and equitable practices. This leadership position requires a focus on community building and policy advocacy. Through these efforts, Fitch supports the mission of creating a welcoming and accessible environment for all employees and readers.
    Nathan Fitch

    Trevor Hunter - Chief Technology Officer

    Trevor Hunter, the Chief Technology Officer at Rakuten Kobo, architects the scalable cloud infrastructure and software systems that power the digital reading platform. Overseeing the engineering department, the Chief Technology Officer ensures the reliability and security of the e-book and audiobook delivery services. This role involves implementing advanced algorithms to improve content recommendation engines and user interface responsiveness. Trevor Hunter drives the development of proprietary e-reader firmware to enhance battery life and display clarity for consumers. By collaborating with the product team, the Chief Technology Officer aligns technical capabilities with the evolving needs of the global reading community. Hunter manages the deployment of robust backend systems that support high-traffic digital storefronts across multiple continents. This leadership role focuses on maintaining a seamless digital experience while integrating new technologies to keep the platform competitive. Through technical innovation, Hunter secures the long-term stability and performance of the entire digital ecosystem.
    Trevor Hunter

    Udai Kanukonalu - Chief Revenue Officer

    Udai Kanukonalu, the Chief Revenue Officer at Rakuten Kobo, directs the global sales strategy and monetization efforts for the digital content portfolio. Overseeing the commercial relationships with publishers and retail partners, the Chief Revenue Officer ensures the consistent growth of e-book and audiobook revenue streams. This role involves analyzing market trends to optimize pricing models and promotional campaigns across international territories. Udai Kanukonalu drives the expansion of the digital storefront by identifying new market opportunities and strengthening existing distribution channels. By coordinating with the marketing and product teams, the Chief Revenue Officer aligns revenue targets with user acquisition and retention goals. Kanukonalu manages the financial performance of the digital catalog to maximize profitability while maintaining competitive pricing for readers. This leadership position requires a deep understanding of the digital publishing landscape to navigate shifting consumer behaviors. Through strategic sales initiatives, Kanukonalu ensures the financial health and market reach of the organization.

    Tomohide Nagashima - Ai Strategy Office Chief of Staff

    Tomohide Nagashima, the Ai Strategy Office Chief of Staff at Rakuten Kobo, directs the integration of artificial intelligence into the digital reading platform. Overseeing the strategic implementation of machine learning models, the Ai Strategy Office Chief of Staff ensures that AI initiatives enhance content discovery and user personalization. This role involves coordinating between the data science team and the product department to deploy intelligent features that improve the reading experience. Tomohide Nagashima drives the development of automated systems that streamline content curation and customer support operations. By analyzing user data patterns, the Ai Strategy Office Chief of Staff identifies opportunities to leverage AI for operational efficiency and market growth. Nagashima manages the roadmap for AI-driven projects to ensure alignment with the broader corporate vision. This leadership position requires a focus on technical innovation and cross-departmental collaboration. Through the application of advanced AI, Nagashima secures the competitive advantage of the platform in the digital publishing industry.

    Kana Sakaguchi - Vice Group Manager

    Kana Sakaguchi, the Vice Group Manager at Rakuten Kobo, directs the operational workflows for the digital content management division. Overseeing the team responsible for catalog maintenance and metadata accuracy, the Vice Group Manager ensures that the digital storefront remains organized and user-friendly. This role involves coordinating with publishers to manage the ingestion of new e-books and audiobooks into the platform. Kana Sakaguchi drives the implementation of quality assurance processes to maintain high standards for digital content delivery. By analyzing user feedback and content performance metrics, the Vice Group Manager optimizes the organization of the library to improve discoverability. Sakaguchi manages the daily operations of the content team to ensure that the digital catalog meets the diverse needs of readers worldwide. This leadership position requires a focus on process improvement and cross-functional communication. Through efficient content management, Sakaguchi supports the company goal of providing a vast and accessible digital library.

    Daisuke Goto - Vice Group Manager

    Daisuke Goto, the Vice Group Manager at Rakuten Kobo, directs the logistics and supply chain operations for the hardware division. Overseeing the distribution of e-readers and tablet computers, the Vice Group Manager ensures that inventory levels meet global demand across various retail channels. This role involves managing relationships with logistics providers to optimize shipping times and reduce operational costs. Daisuke Goto drives the implementation of inventory management systems to improve the accuracy of stock tracking and fulfillment processes. By coordinating with the sales and marketing teams, the Vice Group Manager aligns hardware availability with promotional campaigns and seasonal demand spikes. Goto manages the operational logistics to ensure that high-quality devices are delivered reliably to customers in diverse geographic regions. This leadership position requires a focus on efficiency and supply chain resilience. Through effective logistics management, Goto supports the company goal of providing accessible hardware to readers everywhere.

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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 Sharad Sriwastawa (Co-Chief Executive Officer) and Anna Giagkou (Chief Financial 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), Sharad Sriwastawa (Co-Chief Executive Officer), Anna Giagkou (Chief Financial 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, Co-Chief Executive Officer, Chief Financial Officer, Director and Chief Financial Officer, President, RakAbility ERG.