Mars Veterinary Executive and Leadership Team

May, 2026

Leadership Overview

Mars Veterinary has 5 executives leading key functions including finance, medical affairs, and veterinary operations.

Driven by a commitment to pet wellbeing, Mars Veterinary focuses on delivering exceptional veterinary care through innovation and a global network of dedicated professionals, enhancing the lives of pets and their owners worldwide.

Leadership Roles at Mars Veterinary

  • Chief Financial Officer - Jan Freudenberg
  • Global Chief Financial Officer, Mars Veterinary Health - Edwin Stedem
  • Chief Financial Officer, At Vca (Japan) - Tatsuhiko Miyamoto
  • Chief Medical Officer - Molly McAllister
  • Chief Medical Officer, External Affairs - Todd Tams
  • Jan Freudenberg - Chief Financial Officer

    Jan Freudenberg, the Chief Financial Officer at Mars Veterinary, directs financial strategy and operations. Freudenberg oversees budgeting, forecasting, and financial reporting, ensuring fiscal health across the organization. This leadership role involves managing financial risks and identifying opportunities for profitable growth. By optimizing resource allocation, Jan Freudenberg supports the company's global expansion and commitment to high-quality veterinary care. The Chief Financial Officer's oversight extends to financial compliance and the implementation of robust internal controls, safeguarding the company's assets and stakeholder interests. Freudenberg's expertise is critical in navigating the complex financial landscape of the global veterinary health sector, aligning financial performance with the mission of improving pet wellbeing.

    Edwin Stedem - Global Chief Financial Officer, Mars Veterinary Health

    Edwin Stedem, the Global Chief Financial Officer, Mars Veterinary Health at Mars Veterinary, spearheads financial stewardship for the entire global veterinary health division. Stedem manages comprehensive financial planning, investment strategies, and capital allocation across thousands of clinics worldwide. This executive position involves driving financial performance and ensuring sustainable profitability to support the organization's ambitious growth objectives. By analyzing market trends and economic conditions, Edwin Stedem guides strategic financial decisions that enhance operational efficiency and veterinary care quality. The Global Chief Financial Officer's responsibilities include fostering strong relationships with financial institutions and stakeholders, ensuring transparency and accountability in all financial dealings. Stedem's leadership ensures the financial infrastructure effectively supports the mission of creating a better world for pets and their caregivers.
    Edwin Stedem

    Tatsuhiko Miyamoto - Chief Financial Officer, At Vca (Japan)

    Tatsuhiko Miyamoto, the Chief Financial Officer, At Vca (Japan) at Mars Veterinary, leads financial management for VCA's operations within Japan. Miyamoto is responsible for local financial planning, accounting, and compliance, ensuring adherence to both Japanese regulations and Mars Veterinary's global financial standards. This role focuses on optimizing financial performance within the specific market context of Japan, supporting the delivery of high-quality veterinary services. By managing local budgets and financial reporting, Tatsuhiko Miyamoto contributes to the strategic objectives of VCA in Japan. The Chief Financial Officer's oversight includes managing local financial teams and implementing financial controls to ensure operational integrity. Miyamoto's financial acumen is vital for the sustained success and growth of VCA's veterinary practices in the Japanese market.

    Molly McAllister - Chief Medical Officer

    Molly McAllister, the Chief Medical Officer at Mars Veterinary, directs the clinical vision and medical standards across the global network of veterinary hospitals. McAllister champions evidence-based medicine and oversees the implementation of best practices in animal healthcare, ensuring the highest quality of patient care. This critical role involves guiding clinical research initiatives and fostering a culture of continuous learning and professional development among veterinary professionals. By setting clinical protocols and evaluating new medical technologies, Molly McAllister enhances the effectiveness and safety of treatments. The Chief Medical Officer's influence extends to shaping the future of veterinary medicine, aligning medical strategies with the company's mission to improve pet wellbeing. McAllister's leadership ensures that Mars Veterinary remains at the forefront of medical innovation and compassionate care.
    Molly McAllister

    Todd Tams - Chief Medical Officer, External Affairs

    Todd Tams, the Chief Medical Officer, External Affairs at Mars Veterinary, leads the organization's engagement with the broader veterinary community and external stakeholders. Tams focuses on building strategic partnerships and representing the company's medical expertise in external forums. This position involves communicating the company's commitment to advancing veterinary science and promoting professional collaboration. By managing external medical communications and initiatives, Todd Tams strengthens Mars Veterinary's reputation as a leader in animal health. The Chief Medical Officer, External Affairs, plays a key part in fostering relationships with professional organizations, academic institutions, and industry partners. Tams's efforts ensure that Mars Veterinary's medical insights and contributions are effectively shared, supporting the collective advancement of veterinary care globally.

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    Frequently Asked Questions Regarding Mars Veterinary Top Executives and Leadership Team

    Who leads Mars Veterinary?
    Mars Veterinary is led by Jan Freudenberg (Chief Financial Officer), along with executives such as Edwin Stedem (Global Chief Financial Officer, Mars Veterinary Health) and Tatsuhiko Miyamoto (Chief Financial Officer, At Vca (Japan)).
    Who is part of Mars Veterinary’s executive team?
    The executive team of Mars Veterinary includes leaders such as Jan Freudenberg (Chief Financial Officer), Edwin Stedem (Global Chief Financial Officer, Mars Veterinary Health), Tatsuhiko Miyamoto (Chief Financial Officer, At Vca (Japan)) and other senior executives.
    How many executives does Mars Veterinary have?
    Mars Veterinary has 5 executives leading key business areas.
    What roles are included in Mars Veterinary’s leadership team?
    The leadership team of Mars Veterinary includes roles such as Chief Financial Officer, Global Chief Financial Officer, Mars Veterinary Health, Chief Financial Officer, At Vca (Japan), Chief Medical Officer, Chief Medical Officer, External Affairs.