Mars Veterinary Executive and Leadership Team

June, 2026

Leadership Overview

Mars Veterinary Health has 5 executives leading key functions including finance, medical affairs, and external affairs.

Driven by a commitment to pet wellbeing, Mars Veterinary focuses on advancing veterinary science and delivering exceptional care through a global network of clinics and dedicated professionals.

Leadership Roles at Mars Veterinary

  • Chief Financial Officer - Jan Freudenberg
  • Chief Financial Officer, At Vca (Japan) - Tatsuhiko Miyamoto
  • Global Chief Financial Officer, Mars Veterinary Health - Edwin Stedem
  • 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 across the organization. Freudenberg oversees budgeting, financial planning, and resource allocation, ensuring fiscal health and supporting the company's global expansion initiatives. This leadership position involves managing financial risks and identifying opportunities for revenue growth and operational efficiency. By optimizing financial processes, Jan Freudenberg contributes directly to the sustainability and strategic objectives of Mars Veterinary Health. The focus remains on robust financial management to support the mission of improving pet health worldwide.

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

    Tatsuhiko Miyamoto, the Chief Financial Officer, At Vca (Japan) at Mars Veterinary, manages the financial landscape for VCA operations within Japan. Miyamoto's responsibilities encompass financial reporting, compliance, and the strategic deployment of capital to enhance veterinary services in the Japanese market. This role requires a deep understanding of local financial regulations and market dynamics. By ensuring sound financial practices, Tatsuhiko Miyamoto supports the growth and operational excellence of VCA clinics in Japan, aligning with the broader Mars Veterinary Health mission to advance pet care globally. The objective is to drive financial performance and support veterinary professionals.

    Edwin Stedem - Global Chief Financial Officer, Mars Veterinary Health

    Edwin Stedem, the Global Chief Financial Officer, Mars Veterinary Health at Mars Veterinary, architects the overarching financial strategy for the entire global veterinary health organization. Stedem guides financial planning, investment decisions, and fiscal management across thousands of clinics worldwide, ensuring robust economic health and sustainable growth. This critical role involves overseeing global financial operations, managing complex international accounting standards, and driving initiatives that enhance profitability and operational efficiency. By providing strategic financial leadership, Edwin Stedem directly supports the company's mission to create a better world for pets and veterinary professionals, leveraging financial insights to fuel innovation and expand access to high-quality care across all regions. Stedem's oversight ensures the financial stability necessary for global impact.
    Edwin Stedem

    Molly McAllister - Chief Medical Officer

    Molly McAllister, the Chief Medical Officer at Mars Veterinary, leads the clinical vision and medical standards across the global network of veterinary practices. McAllister champions the advancement of veterinary medicine, focusing on evidence-based practices and the integration of scientific breakthroughs to elevate pet health outcomes. This position involves guiding clinical protocols, fostering professional development for veterinarians, and ensuring the highest quality of patient care. By setting medical direction, Molly McAllister directly contributes to the company's mission of improving the wellbeing of pets and supporting veterinary professionals worldwide. The emphasis is on clinical excellence and innovation in veterinary care delivery across all operational geographies.
    Molly McAllister

    Todd Tams - Chief Medical Officer, External Affairs

    Todd Tams, the Chief Medical Officer, External Affairs at Mars Veterinary, directs the strategic engagement with external medical communities and stakeholders. Tams focuses on building relationships, fostering collaborations, and representing the company's medical expertise on a global scale. This role involves communicating advancements in veterinary science and advocating for best practices in pet healthcare. By managing external medical affairs, Todd Tams enhances the company's reputation and influence within the veterinary industry, supporting the broader mission of improving pet health and wellbeing. The objective is to ensure Mars Veterinary Health remains at the forefront of medical innovation and professional development, driving positive impact through strategic external partnerships.

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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 Tatsuhiko Miyamoto (Chief Financial Officer, At Vca (Japan)) and Edwin Stedem (Global Chief Financial Officer, Mars Veterinary Health).
    Who is part of Mars Veterinary’s executive team?
    The executive team of Mars Veterinary includes leaders such as Jan Freudenberg (Chief Financial Officer), Tatsuhiko Miyamoto (Chief Financial Officer, At Vca (Japan)), Edwin Stedem (Global Chief Financial Officer, Mars Veterinary Health) 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, Chief Financial Officer, At Vca (Japan), Global Chief Financial Officer, Mars Veterinary Health, Chief Medical Officer, Chief Medical Officer, External Affairs.