Accuray Executive and Leadership Team

June, 2026

Leadership Overview

Accuray has 6 executives leading key functions including operations, finance, human resources, medical affairs, and regional management.

Driven by precision in cancer treatment, Accuray is dedicated to developing advanced radiation oncology systems that empower clinicians to deliver highly accurate therapies, minimizing impact on healthy tissue and enhancing patient quality of life.

Leadership Roles at Accuray

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

    Ali Pervaiz, the Senior Vice President - Chief Financial Officer at Accuray, manages the company's financial health and strategic fiscal planning. Pervaiz oversees all financial operations, including accounting, treasury, investor relations, and financial reporting, ensuring compliance with global regulatory standards. This critical role involves developing financial strategies that support Accuray's growth objectives and enhance shareholder value. By analyzing market trends and economic conditions, the Senior Vice President - Chief Financial Officer guides investment decisions and resource allocation for research, development, and market expansion. Pervaiz's expertise is vital in navigating the complex financial landscape of the medical technology sector. Ali Pervaiz's leadership ensures the financial stability necessary to fund the innovation and manufacturing of advanced radiation oncology systems. This financial acumen directly contributes to Accuray's ability to deliver precise cancer treatment solutions and maintain its competitive edge in the global healthcare market.

    Leonel Peralta - Senior Vice President and Chief Operating Officer

    Leonel Peralta, the Senior Vice President and Chief Operating Officer at Accuray, directs global operational strategies and manufacturing excellence. Overseeing the production and delivery of Accuray's advanced radiation oncology systems, Peralta ensures efficient supply chain management and robust quality control processes. This leadership role involves optimizing manufacturing workflows to meet increasing global demand for precision cancer treatment solutions. By integrating innovative production techniques, the Senior Vice President and Chief Operating Officer drives operational scalability and cost-effectiveness across all manufacturing sites. Peralta's focus extends to enhancing the reliability and performance of the company's medical devices, directly supporting Accuray's mission to provide accurate tumor targeting while preserving healthy tissue. This operational oversight is critical for maintaining the high standards required in the medical device industry and ensuring timely access to life-saving technologies for healthcare providers worldwide. Leonel Peralta's strategic direction ensures the seamless execution of Accuray's product development pipeline from concept to market.
    Leonel Peralta

    Johannes Diebold - President & General Manager (Asia Pacific)

    Johannes Diebold, the President & General Manager (Asia Pacific) at Accuray, directs the company's strategic operations and commercial growth across the Asia Pacific region. Diebold oversees sales, marketing, and customer support functions, ensuring Accuray's advanced radiation oncology systems effectively serve healthcare providers throughout this diverse market. This leadership role involves developing region-specific strategies to address unique healthcare needs and regulatory environments. By fostering strong relationships with key stakeholders, the President & General Manager (Asia Pacific) drives market penetration and expands access to precision cancer treatment solutions. Johannes Diebold's regional focus is essential for adapting Accuray's innovative medical devices to local demands and maximizing their impact on patient care. This executive's leadership ensures Accuray's commitment to global oncology advancement is effectively realized across the vital Asia Pacific territories.
    Johannes Diebold

    Kazuharu Tomari - Region President & General Manager (Japan)

    Kazuharu Tomari, the Region President & General Manager (Japan) at Accuray, spearheads the company's strategic initiatives and business development within the Japanese market. Tomari manages all aspects of Accuray's operations in Japan, including sales, service, and market expansion for its advanced radiation oncology systems. This role is critical for tailoring Accuray's precision cancer treatment solutions to the specific needs and regulatory landscape of Japan. By cultivating strong partnerships with Japanese healthcare institutions and clinicians, the Region President & General Manager (Japan) ensures optimal adoption and utilization of Accuray's technology. Kazuharu Tomari's leadership is instrumental in driving Accuray's mission to improve patient outcomes through innovative medical devices in one of the world's most technologically advanced healthcare markets. This focused regional management ensures sustained growth and enhanced patient care delivery.

    Melanie Rivers - Senior Vice President, Chief Human Resources Officer

    Melanie Rivers, the Senior Vice President, Chief Human Resources Officer at Accuray, leads the global human capital strategy and organizational development. Rivers is responsible for cultivating a high-performance culture that supports Accuray's mission of advancing cancer treatment through innovation and precision. This role encompasses talent acquisition, employee engagement, compensation and benefits, and leadership development across all regions. By fostering a supportive and dynamic work environment, the Senior Vice President, Chief Human Resources Officer ensures that Accuray attracts and retains top talent essential for developing cutting-edge medical devices. Melanie Rivers' strategic initiatives are crucial for aligning the workforce with the company's long-term goals and operational needs. This leadership function is integral to driving the collaborative efforts required for Accuray's continued success in the competitive medical technology industry, ensuring the team is equipped to deliver exceptional cancer care solutions.

    Seth Blacksburg - Senior Vice President, Chief Medical Officer

    Seth Blacksburg, the Senior Vice President, Chief Medical Officer at Accuray, provides critical clinical insights and medical strategy to guide product development and market positioning. Blacksburg oversees the clinical affairs department, ensuring that Accuray's radiation oncology systems meet the evolving needs of oncologists and patients worldwide. This leadership position involves translating clinical requirements into actionable product specifications and supporting the validation of new technologies. By collaborating closely with healthcare professionals and research institutions, the Senior Vice President, Chief Medical Officer ensures Accuray's solutions deliver optimal therapeutic outcomes. Seth Blacksburg's medical expertise is fundamental to maintaining the company's reputation for precision cancer treatment and advancing the standard of care. This role is pivotal in bridging the gap between technological innovation and practical clinical application, reinforcing Accuray's commitment to improving patient lives through advanced medical devices.
    Seth Blacksburg

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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 Leonel Peralta (Senior Vice President and Chief Operating Officer) and Johannes Diebold (President & General Manager (Asia Pacific)).
    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), Leonel Peralta (Senior Vice President and Chief Operating Officer), Johannes Diebold (President & General Manager (Asia Pacific)) and other senior executives.
    How many executives does Accuray have?
    Accuray has 6 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, Senior Vice President and Chief Operating Officer, President & General Manager (Asia Pacific), Region President & General Manager (Japan), Senior Vice President, Chief Human Resources Officer.