Accuray Executive and Leadership Team

May, 2026

Leadership Overview

Accuray has 6 executives leading key functions including human resources, finance, operations, Asia Pacific, Japan, and medical affairs.

Driven by innovation in cancer treatment, Accuray is dedicated to developing advanced radiation oncology systems that precisely target tumors while minimizing harm to healthy tissue, enhancing patient quality of life and clinical outcomes globally.

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 all financial operations and strategic fiscal planning. This executive oversees budgeting, forecasting, and financial reporting, ensuring the company's fiscal health supports its advanced radiation oncology systems development. Pervaiz directs capital allocation to drive innovation in medical devices that enable precise cancer treatment. By maintaining robust financial controls and exploring investment opportunities, Ali Pervaiz strengthens Accuray's market position and supports its global expansion. The financial strategy directly enables the integration of sophisticated imaging, planning, and delivery technologies across the company's product portfolio, ensuring sustainable growth and operational efficiency in the competitive medical technology sector.

    Leonel Peralta - Senior Vice President and Chief Operating Officer

    Leonel Peralta, the Senior Vice President and Chief Operating Officer at Accuray, orchestrates global manufacturing, supply chain, and operational excellence. This leadership position ensures the efficient production and delivery of advanced radiation oncology systems, critical for Accuray's mission of precise cancer treatment. Peralta oversees the integration of sophisticated imaging, planning, and delivery technologies into the company's manufacturing processes, maintaining high standards of quality and reliability. By optimizing operational workflows and supply chain logistics, Leonel Peralta supports Accuray's ability to serve hospitals and cancer treatment centers worldwide. The focus is on driving efficiency and scalability to meet the growing demand for innovative medical devices that improve patient outcomes and minimize side effects.
    Leonel Peralta

    Johannes Diebold - President & General Manager (Asia Pacific)

    Johannes Diebold, the President & General Manager (Asia Pacific) at Accuray, directs all business operations and strategic growth initiatives across the Asia Pacific region. This role is pivotal in expanding Accuray's market reach for its advanced radiation oncology systems, ensuring precise cancer treatment solutions are accessible to healthcare providers in diverse markets. Diebold oversees sales, service, and customer support functions, fostering strong relationships with hospitals and cancer treatment centers throughout the region. By adapting Accuray's product development strategy to regional needs, Johannes Diebold drives adoption of innovative medical devices that integrate sophisticated imaging and planning technologies. The objective is to enhance clinical outcomes and patient quality of life by delivering cutting-edge oncology treatments across the Asia Pacific territory.
    Johannes Diebold

    Kazuharu Tomari - Region President & General Manager (Japan)

    Kazuharu Tomari, the Region President & General Manager (Japan) at Accuray, leads all strategic and operational functions within the Japanese market. This executive is responsible for driving the adoption of Accuray's advanced radiation oncology systems, ensuring precise cancer treatment solutions are effectively deployed to Japanese healthcare facilities. Tomari oversees market development, sales performance, and customer engagement, building key partnerships with hospitals and specialized oncology centers. By tailoring the company's product development strategy to the specific demands of the Japanese healthcare landscape, Kazuharu Tomari facilitates the integration of sophisticated imaging and planning technologies. The goal is to improve clinical outcomes and enhance patient quality of life through Accuray's innovative medical devices in Japan.

    Melanie Rivers - Senior Vice President, Chief Human Resources Officer

    Melanie Rivers, the Senior Vice President, Chief Human Resources Officer at Accuray, directs all global human capital strategies. This leadership role encompasses talent acquisition, development, and retention initiatives critical for supporting Accuray's mission of delivering precise cancer treatment solutions. Rivers oversees the implementation of HR policies that foster a culture of innovation and collaboration, ensuring the workforce is equipped to advance the company's product development strategy. By aligning human resources functions with organizational goals, Melanie Rivers drives employee engagement and supports the operational needs of a global medical device manufacturer. The focus remains on building a high-performing team that contributes directly to the company's technical advancements and market presence in radiation oncology.

    Seth Blacksburg - Senior Vice President, Chief Medical Officer

    Seth Blacksburg, the Senior Vice President, Chief Medical Officer at Accuray, provides critical clinical leadership and medical strategy for the company's advanced radiation oncology systems. This role ensures that Accuray's innovative medical devices, designed for precise cancer treatment, align with the evolving needs of clinicians and patients worldwide. Blacksburg oversees the medical affairs function, guiding the integration of sophisticated imaging, planning, and delivery technologies to maximize treatment efficacy and minimize exposure to healthy tissue. By collaborating with healthcare providers and research institutions, Seth Blacksburg champions the clinical application of Accuray's platforms, driving improvements in patient outcomes and quality of life. The medical strategy directly supports the company's commitment to advancing cancer care through technological innovation.
    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.