Mars Veterinary Executive and Leadership Team

September, 2026

Leadership Overview

Mars Veterinary has 4 executives leading key functions including global financial strategy, regional financial operations, clinical medical standards, and external medical affairs.

Driven by a commitment to pet wellbeing, Mars Veterinary advances global veterinary health through scientific innovation, data-driven clinical excellence, and the support of thousands of dedicated veterinary professionals across thousands of international clinics.

Leadership Roles at Mars Veterinary

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

    Ted Stedem, the Global Chief Financial Officer, Mars Veterinary Health at Mars Veterinary, directs the entire financial architecture for the global organization. Managing capital allocation across 3,000 clinics, Stedem ensures fiscal health while supporting the expansion of preventive and specialty care services. The Global Chief Financial Officer, Mars Veterinary Health oversees long-term investment strategies that fuel technological breakthroughs and data-driven clinical advancements. By aligning financial resources with the mission of improving pet health, Stedem optimizes operational efficiency across diverse international markets. This leadership role involves close collaboration with the board to maintain sustainable growth and profitability. Ted Stedem monitors global economic trends to mitigate risks and capitalize on emerging opportunities within the veterinary sector. Through rigorous financial oversight, Stedem secures the necessary funding to empower 70,000 associates in delivering high-quality care to pets worldwide.
    Ted Stedem

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

    Tatsuhiko Miyamoto, the Chief Financial Officer, At Vca (Japan) at Mars Veterinary, manages all financial operations and fiscal planning within the Japanese market. Overseeing regional revenue streams, the Chief Financial Officer, At Vca (Japan) ensures that local clinics maintain the high standards of preventive and emergency care synonymous with the global brand. Miyamoto directs budget allocation to support the integration of advanced veterinary technologies and data systems across the Japanese network. By analyzing regional market performance, Miyamoto drives strategic initiatives that enhance operational efficiency and clinic profitability. This role requires constant coordination with global leadership to ensure alignment with overarching corporate objectives. Tatsuhiko Miyamoto monitors local regulatory environments and economic shifts to maintain financial stability. Through precise fiscal management, Miyamoto supports the expansion of veterinary services, ultimately contributing to the broader mission of creating a better world for pets and the people who care for them.

    Molly McAllister - Chief Medical Officer

    Molly McAllister, the Chief Medical Officer at Mars Veterinary, architects the clinical standards and medical protocols utilized across the global network of 3,000 clinics. Leading the development of preventive and specialty care guidelines, the Chief Medical Officer ensures that 12,000 veterinarians deliver consistent, high-quality treatment. McAllister leverages extensive data and scientific research to drive innovation in veterinary medicine, improving health outcomes for pets on a massive scale. By fostering a culture of continuous learning, McAllister supports the professional development of veterinary teams. This leadership role involves collaborating with technology partners to integrate advanced diagnostic tools into daily practice. Molly McAllister monitors clinical performance metrics to identify areas for improvement and excellence. Through the implementation of evidence-based medicine, McAllister strengthens the organization's market position as a leader in veterinary health, ensuring that every pet receives compassionate and effective care.
    Molly McAllister

    Todd Tams - Chief Medical Officer, External Affairs

    Todd Tams, the Chief Medical Officer, External Affairs at Mars Veterinary, manages relationships with academic institutions, veterinary associations, and industry partners to advance the field of veterinary medicine. Overseeing external communications regarding clinical breakthroughs, the Chief Medical Officer, External Affairs ensures that the organization remains at the forefront of scientific discourse. Tams directs initiatives that promote the importance of preventive care and emergency preparedness within the broader veterinary community. By representing the company in professional forums, Tams influences industry standards and advocates for the wellbeing of pets and veterinary professionals. This role involves bridging the gap between internal clinical research and external stakeholders to foster collaborative innovation. Todd Tams coordinates with global leadership to align external messaging with the company's mission of improving pet health. Through strategic engagement, Tams enhances the reputation of the organization, ensuring that scientific advancements reach the wider veterinary profession effectively.

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    Frequently Asked Questions Regarding Mars Veterinary Top Executives and Leadership Team

    Who leads Mars Veterinary?
    Mars Veterinary is led by Ted Stedem (Global Chief Financial Officer, Mars Veterinary Health), along with executives such as Tatsuhiko Miyamoto (Chief Financial Officer, At Vca (Japan)) and Molly McAllister (Chief Medical Officer).
    Who is part of Mars Veterinary’s executive team?
    The executive team of Mars Veterinary includes leaders such as Ted Stedem (Global Chief Financial Officer, Mars Veterinary Health), Tatsuhiko Miyamoto (Chief Financial Officer, At Vca (Japan)), Molly McAllister (Chief Medical Officer) and other senior executives.
    How many executives does Mars Veterinary have?
    Mars Veterinary has 4 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 Global Chief Financial Officer, Mars Veterinary Health, Chief Financial Officer, At Vca (Japan), Chief Medical Officer, Chief Medical Officer, External Affairs.