Mars Veterinary Executive and Leadership Team

August, 2026

Leadership Overview

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

Driven by a commitment to pet wellbeing, Mars Veterinary advances global veterinary care through scientific innovation, data-driven clinical excellence, and a vast network of specialized health facilities.

Leadership Roles at Mars Veterinary

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

    Tatsuhiko Miyamoto, the Chief Financial Officer, At Vca (Japan) at Mars Veterinary, directs all fiscal operations within the Japanese market. Managing regional capital allocation, the Chief Financial Officer, At Vca (Japan) ensures financial stability across local clinics while supporting the broader organizational mission of high-quality pet care. Miyamoto architects robust budgeting frameworks that allow for the integration of advanced veterinary technologies into daily practice. By analyzing regional market trends, Miyamoto optimizes resource distribution to enhance service delivery. This leadership role involves close collaboration with global finance teams to maintain alignment with international standards. Through rigorous oversight of regional expenditures, Tatsuhiko Miyamoto secures the necessary funding for clinical expansion and equipment upgrades. Ultimately, the Chief Financial Officer, At Vca (Japan) drives sustainable growth by balancing operational efficiency with the high standards of care required for pets throughout the region.

    Ted Stedem - Global Chief Financial Officer, Mars Veterinary Health

    Ted Stedem, the Global Chief Financial Officer, Mars Veterinary Health at Mars Veterinary, manages the entire financial architecture for the global organization. Overseeing fiscal strategy across 3,000 clinics, the Global Chief Financial Officer, Mars Veterinary Health ensures the long-term viability of the company's mission to improve pet health. Stedem directs global investment initiatives, focusing on the acquisition of new technologies and the scaling of specialty care services. By coordinating with the Board and executive leadership, the Global Chief Financial Officer, Mars Veterinary Health aligns financial performance with the company's commitment to scientific breakthroughs. Ted Stedem monitors international revenue streams to support the 70,000 associates working within the network. Through precise financial modeling and risk management, Stedem maintains the economic health of the enterprise. This leadership role requires constant evaluation of global market conditions to sustain the organization's position as a leader in veterinary medicine.
    Ted Stedem

    Molly McAllister - Chief Medical Officer

    Molly McAllister, the Chief Medical Officer at Mars Veterinary, defines the clinical standards and medical protocols across the global network. Directing the integration of data-driven insights into daily practice, the Chief Medical Officer ensures that all 12,000 veterinarians provide consistent, high-quality care. McAllister architects medical programs that leverage advanced technology to improve patient outcomes in preventive and emergency settings. By collaborating with clinical teams, the Chief Medical Officer fosters an environment of continuous learning and scientific advancement. Molly McAllister oversees the implementation of evidence-based medicine to enhance the wellbeing of pets worldwide. This leadership role involves setting the strategic direction for clinical research and professional development for veterinary staff. Through the application of extensive data analytics, McAllister drives improvements in diagnostic accuracy and treatment efficacy. Ultimately, the Chief Medical Officer supports the company's mission by ensuring that every clinic maintains the highest possible standards of veterinary excellence.
    Molly McAllister

    Todd Tams - Chief Medical Officer, External Affairs

    Todd Tams, the Chief Medical Officer, External Affairs at Mars Veterinary, manages relationships with the broader veterinary community and academic institutions. Overseeing external partnerships, the Chief Medical Officer, External Affairs ensures that the company remains at the forefront of scientific discourse and industry innovation. Tams directs initiatives that connect internal clinical expertise with external research, facilitating the exchange of knowledge to benefit the global pet population. By representing the organization in professional forums, the Chief Medical Officer, External Affairs promotes the company's commitment to high-quality care and scientific integrity. Todd Tams coordinates with external stakeholders to advance the understanding of complex veterinary conditions and treatment methodologies. This leadership role involves shaping the company's public medical profile and fostering collaborations that drive industry-wide progress. Through strategic engagement with the veterinary profession, Tams strengthens the organization's reputation as a pioneer in pet health and medical research.

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    Frequently Asked Questions Regarding Mars Veterinary Top Executives and Leadership Team

    Who leads Mars Veterinary?
    Mars Veterinary is led by Tatsuhiko Miyamoto (Chief Financial Officer, At Vca (Japan)), along with executives such as Ted Stedem (Global Chief Financial Officer, Mars Veterinary Health) 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 Tatsuhiko Miyamoto (Chief Financial Officer, At Vca (Japan)), Ted Stedem (Global Chief Financial Officer, Mars Veterinary Health), 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 Chief Financial Officer, At Vca (Japan), Global Chief Financial Officer, Mars Veterinary Health, Chief Medical Officer, Chief Medical Officer, External Affairs.