Accuray Executive and Leadership Team

October, 2026

Leadership Overview

Accuray has 5 executives leading key functions including financial strategy, clinical marketing, human capital, and regional operations across Asia Pacific and Japan.

Committed to advancing precision oncology, Accuray delivers innovative radiation therapy systems that empower clinicians to target tumors with exceptional accuracy while protecting healthy tissue for improved patient outcomes.

Leadership Roles at Accuray

  • Senior Vice President - Chief Financial Officer - Ali Pervaiz
  • President & General Manager (Asia Pacific) - Johannes Diebold
  • Region President & General Manager (Japan) - Kazuharu Tomari
  • Senior Vice President, Chief Medical Officer, Chief Marketing Officer - Seth Blacksburg
  • Senior Vice President, Chief Human Resources Officer - Melanie Rivers
  • Ali Pervaiz - Senior Vice President - Chief Financial Officer

    Ali Pervaiz, the Senior Vice President - Chief Financial Officer at Accuray, directs the global financial strategy and capital allocation initiatives. Overseeing fiscal planning, the Chief Financial Officer ensures the organization maintains the necessary resources to manufacture advanced radiation oncology systems. This leadership role involves managing investor relations and optimizing the balance sheet to support long-term research and development investments. By aligning financial performance with the company's mission of delivering precise cancer treatment solutions, Ali Pervaiz drives sustainable growth across international markets. The Chief Financial Officer collaborates with the executive team to evaluate market opportunities and mitigate risks associated with the medical device industry. Through rigorous financial oversight, Pervaiz secures the stability required for the company to continue providing hospitals and cancer treatment centers with cutting-edge technology. This focus on fiscal discipline enables the organization to expand its reach and improve clinical outcomes for patients globally.

    Johannes Diebold - President & General Manager (Asia Pacific)

    Johannes Diebold, the President & General Manager (Asia Pacific) at Accuray, directs all commercial operations and market expansion efforts throughout the Asia Pacific region. Overseeing the distribution and implementation of radiation oncology systems, the President & General Manager (Asia Pacific) ensures that healthcare providers have access to precise cancer treatment solutions. This leadership role involves navigating complex regulatory landscapes and building strong relationships with regional cancer treatment centers. By tailoring the company's product portfolio to meet the specific needs of diverse healthcare systems, Johannes Diebold drives significant revenue growth and market penetration. The President & General Manager (Asia Pacific) coordinates with global leadership to align regional strategies with the company's overarching mission of improving clinical outcomes. Through effective management of local teams and distribution networks, Diebold expands the footprint of the company's imaging and delivery technologies. This operational focus strengthens the organization's presence in key markets, ensuring that advanced cancer care reaches patients across the entire region.
    Johannes Diebold

    Kazuharu Tomari - Region President & General Manager (Japan)

    Kazuharu Tomari, the Region President & General Manager (Japan) at Accuray, directs the strategic growth and operational execution within the Japanese market. Overseeing the deployment of advanced radiation oncology systems, the Region President & General Manager (Japan) ensures that specialized facilities receive the necessary support to deliver precise cancer treatments. This leadership role involves managing local clinical partnerships and addressing the unique requirements of the Japanese healthcare sector. By optimizing the delivery of imaging and planning technologies, Kazuharu Tomari drives the adoption of innovative cancer care solutions that improve patient quality of life. The Region President & General Manager (Japan) collaborates with the broader Asia Pacific team to share best practices and enhance service delivery. Through a deep understanding of local market dynamics, Tomari strengthens the company's reputation for excellence in radiation therapy. This focused approach to the Japanese market supports the organization's global mission by ensuring that clinicians have the tools required to treat various cancer types with exceptional accuracy.

    Seth Blacksburg - Senior Vice President, Chief Medical Officer, Chief Marketing Officer

    Seth Blacksburg, the Senior Vice President, Chief Medical Officer, Chief Marketing Officer at Accuray, architects the clinical strategy and market positioning for radiation oncology platforms. Overseeing the integration of real-time imaging and adaptive treatment planning, the Chief Medical Officer ensures that medical devices meet the highest standards of efficacy for complex cancer care. This leadership role involves translating technical capabilities into clear value propositions for healthcare providers worldwide. By bridging the gap between clinical requirements and product development, Seth Blacksburg drives the adoption of innovative solutions that target tumors while minimizing side effects. The Chief Marketing Officer manages global brand messaging to highlight the precision of the company's systems in treating diverse malignancies. Through strategic engagement with the medical community, Blacksburg fosters partnerships that expand the use of these technologies in specialized radiation oncology facilities. This dual focus on clinical excellence and market growth directly impacts the company's ability to improve patient quality of life.
    Seth Blacksburg

    Melanie Rivers - Senior Vice President, Chief Human Resources Officer

    Melanie Rivers, the Senior Vice President, Chief Human Resources Officer at Accuray, directs the global talent strategy and organizational development initiatives. Overseeing the recruitment and retention of specialized engineering and clinical experts, the Chief Human Resources Officer ensures the company maintains the technical talent required to manufacture advanced radiation oncology systems. This leadership role involves cultivating a high-performance culture that supports the company's mission of precision cancer care. By implementing comprehensive training and leadership programs, Melanie Rivers drives employee engagement and operational excellence across all departments. The Chief Human Resources Officer collaborates with the executive team to align workforce capabilities with the company's long-term product development goals. Through strategic human capital management, Rivers fosters an environment where innovation thrives, enabling the organization to meet the evolving needs of hospitals and cancer treatment centers. This focus on building a robust, skilled workforce remains essential for sustaining the company's competitive position in the medical device industry.

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    Frequently Asked Questions Regarding Accuray Top Executives and Leadership Team

    Who leads Accuray?
    Accuray is led by Ali Pervaiz (Senior Vice President - Chief Financial Officer), along with executives such as Johannes Diebold (President & General Manager (Asia Pacific)) and Kazuharu Tomari (Region President & General Manager (Japan)).
    Who is part of Accuray’s executive team?
    The executive team of Accuray includes leaders such as Ali Pervaiz (Senior Vice President - Chief Financial Officer), Johannes Diebold (President & General Manager (Asia Pacific)), Kazuharu Tomari (Region President & General Manager (Japan)) and other senior executives.
    How many executives does Accuray have?
    Accuray has 5 executives leading key business areas.
    What roles are included in Accuray’s leadership team?
    The leadership team of Accuray includes roles such as Senior Vice President - Chief Financial Officer, President & General Manager (Asia Pacific), Region President & General Manager (Japan), Senior Vice President, Chief Medical Officer, Chief Marketing Officer, Senior Vice President, Chief Human Resources Officer.