Varian Executive and Leadership Team

August, 2026

Leadership Overview

Varian has 6 executives leading key functions including financial strategy, medical affairs, radiation oncology, proton solutions, interventional solutions, and multi-disciplinary oncology.

Focused on advancing cancer care through innovative technology, Varian delivers sophisticated radiotherapy and software solutions to improve patient outcomes across global healthcare markets.

Leadership Roles at Varian

  • Director, Finance & Chief Financial Officer (APAC) - Jiahong Li
  • President, Radiation Oncology Solutions - Sasa Mutic
  • President, Proton Solutions - Stephen Jamison
  • President, Multi-Disciplinary Oncology - Andrew Shogan
  • Senior Vice President, Medical Affairs & Chief Medical Officer - Dee Khuntia
  • Varian Interventional Solutions Vice President & Chief Medical Officer - David Hahn
  • Jiahong Li - Director, Finance & Chief Financial Officer (APAC)

    Jiahong Li, the Director, Finance & Chief Financial Officer (APAC) at Varian, manages all fiscal operations across the Asia-Pacific region. Overseeing regional capital allocation, the Director, Finance & Chief Financial Officer (APAC) ensures financial health while supporting the expansion of radiotherapy and software distribution networks. This leadership role involves rigorous oversight of budgetary compliance and investment strategies tailored to diverse market conditions. By optimizing regional revenue streams, Jiahong Li directly impacts the long-term profitability of the organization. Furthermore, the Director, Finance & Chief Financial Officer (APAC) collaborates with global leadership to align regional fiscal performance with corporate objectives. Through precise financial modeling and risk assessment, the executive secures the necessary resources for sustained growth in the competitive medical device sector. Ultimately, the Director, Finance & Chief Financial Officer (APAC) maintains the fiscal integrity required to support the mission of treating cancer patients effectively.

    Sasa Mutic - President, Radiation Oncology Solutions

    Sasa Mutic, the President, Radiation Oncology Solutions at Varian, architects the strategic roadmap for the core radiotherapy business unit. Overseeing product innovation and market deployment, the President, Radiation Oncology Solutions ensures that advanced hardware and software tools reach oncology centers efficiently. This leadership role involves coordinating with global sales teams to capture market share in the competitive radiotherapy landscape. By streamlining the development cycle for new treatment technologies, Sasa Mutic directly enhances the operational capabilities of cancer clinics. Furthermore, the President, Radiation Oncology Solutions collaborates with other C-suite leaders to integrate software solutions into existing clinical workflows. Through a focus on technological precision and user-centric design, the executive maintains the company's position as a leader in cancer treatment. Ultimately, the President, Radiation Oncology Solutions secures the technological foundation required to deliver high-quality care to patients across diverse international markets.
    Sasa Mutic

    Stephen Jamison - President, Proton Solutions

    Stephen Jamison, the President, Proton Solutions at Varian, directs the development and implementation of advanced proton therapy systems. Overseeing complex engineering projects and large-scale installations, the President, Proton Solutions ensures that high-precision cancer treatment technology remains accessible to major medical institutions. This leadership role involves managing the lifecycle of proton therapy equipment from design to clinical deployment. By optimizing the performance of these specialized systems, Stephen Jamison directly contributes to the advancement of non-invasive cancer treatment options. Furthermore, the President, Proton Solutions works closely with global health authorities to expand the reach of proton therapy in emerging markets. Through strategic partnerships and technical innovation, the executive drives the adoption of sophisticated radiotherapy solutions. Ultimately, the President, Proton Solutions maintains the operational scale necessary to support the company's commitment to providing cutting-edge medical devices for complex oncology cases.
    Stephen Jamison

    Andrew Shogan - President, Multi-Disciplinary Oncology

    Andrew Shogan, the President, Multi-Disciplinary Oncology at Varian, manages the integration of comprehensive cancer care solutions across various medical specialties. Overseeing the synergy between software platforms and hardware devices, the President, Multi-Disciplinary Oncology ensures that oncology centers receive holistic treatment support. This leadership role involves coordinating cross-functional teams to deliver unified solutions that address the complexities of modern cancer care. By streamlining the patient journey through integrated technology, Andrew Shogan directly improves the efficiency of clinical operations. Furthermore, the President, Multi-Disciplinary Oncology works with global stakeholders to promote a multi-disciplinary approach to treatment planning. Through strategic oversight of software and hardware ecosystems, the executive enhances the overall value proposition of the company's product suite. Ultimately, the President, Multi-Disciplinary Oncology drives the organizational alignment necessary to provide comprehensive, high-quality care solutions to medical providers on a global scale.
    Andrew Shogan

    Dee Khuntia - Senior Vice President, Medical Affairs & Chief Medical Officer

    Dee Khuntia, the Senior Vice President, Medical Affairs & Chief Medical Officer at Varian, directs clinical strategy and medical research initiatives. Overseeing the integration of evidence-based medicine into product development, the Senior Vice President, Medical Affairs & Chief Medical Officer ensures that radiotherapy and radiosurgery platforms meet the highest safety standards. This leadership role involves constant engagement with global clinical partners to refine treatment protocols for cancer care. By bridging the gap between engineering and clinical application, Dee Khuntia directly influences the efficacy of medical devices. Furthermore, the Senior Vice President, Medical Affairs & Chief Medical Officer provides critical guidance to the board regarding emerging medical trends and regulatory requirements. Through rigorous clinical oversight, the executive validates the performance of proton therapy and brachytherapy solutions. Ultimately, the Senior Vice President, Medical Affairs & Chief Medical Officer drives the clinical excellence necessary to improve patient survival rates worldwide.
    Dee Khuntia

    David Hahn - Varian Interventional Solutions Vice President & Chief Medical Officer

    David Hahn, the Varian Interventional Solutions Vice President & Chief Medical Officer at Varian, leads the clinical and strategic direction for interventional oncology products. Overseeing the development of minimally invasive treatment tools, the Varian Interventional Solutions Vice President & Chief Medical Officer ensures that medical devices align with current surgical standards. This leadership role involves evaluating clinical data to refine the application of interventional technologies in cancer care. By fostering innovation in brachytherapy and related procedures, David Hahn directly impacts the quality of patient outcomes. Furthermore, the Varian Interventional Solutions Vice President & Chief Medical Officer collaborates with research teams to identify new opportunities for technological integration. Through a focus on clinical precision and safety, the executive supports the expansion of the interventional portfolio. Ultimately, the Varian Interventional Solutions Vice President & Chief Medical Officer drives the medical strategy required to maintain a competitive edge in the interventional oncology market.

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    Frequently Asked Questions Regarding Varian Top Executives and Leadership Team

    Who leads Varian?
    Varian is led by Jiahong Li (Director, Finance & Chief Financial Officer (APAC)), along with executives such as Sasa Mutic (President, Radiation Oncology Solutions) and Stephen Jamison (President, Proton Solutions).
    Who is part of Varian’s executive team?
    The executive team of Varian includes leaders such as Jiahong Li (Director, Finance & Chief Financial Officer (APAC)), Sasa Mutic (President, Radiation Oncology Solutions), Stephen Jamison (President, Proton Solutions) and other senior executives.
    How many executives does Varian have?
    Varian has 6 executives leading key business areas.
    What roles are included in Varian’s leadership team?
    The leadership team of Varian includes roles such as Director, Finance & Chief Financial Officer (APAC), President, Radiation Oncology Solutions, President, Proton Solutions, President, Multi-Disciplinary Oncology, Senior Vice President, Medical Affairs & Chief Medical Officer.