Zoetis Executive and Leadership Team

November, 2026

Leadership Overview

Zoetis has 4 executives leading key functions including financial oversight, technology transformation, executive operations, and information systems.

Focused on advancing animal health through innovation, Zoetis delivers essential medicines, vaccines, and diagnostic products to improve the lives of livestock and companion animals across global markets.

Leadership Roles at Zoetis

  • Senior Director, Chief of Staff, Office of the Chief Executive Officer - Lee Penn
  • Regional Chief Financial Officer, Latin America (Canada) - Renato Vilas Boas
  • Chief Technology Officer & Head of Transformation & Portfolio Management - Mark Chomow
  • Chief Information Officer, Greater (China, APAC) - Michael Tao
  • Lee Penn - Senior Director, Chief of Staff, Office of the Chief Executive Officer

    Lee Penn, the Senior Director, Chief of Staff, Office of the Chief Executive Officer at Zoetis, coordinates strategic initiatives and facilitates communication between the executive leadership team and the Board. Managing the daily operations of the Office of the Chief Executive Officer, the Senior Director, Chief of Staff, Office of the Chief Executive Officer ensures that corporate objectives regarding animal health medicines and vaccines receive consistent focus. Lee Penn synthesizes complex data from various departments to provide actionable insights for high-level decision-making. By aligning cross-functional teams with the overarching mission of the company, the Senior Director, Chief of Staff, Office of the Chief Executive Officer drives organizational cohesion. This leadership role involves managing critical projects that impact the global commercialization of pharmaceutical products. Through meticulous planning and stakeholder engagement, the Senior Director, Chief of Staff, Office of the Chief Executive Officer supports the execution of long-term growth strategies and maintains operational excellence across all business units.

    Renato Vilas Boas - Regional Chief Financial Officer, Latin America (Canada)

    Renato Vilas Boas, the Regional Chief Financial Officer, Latin America (Canada) at Zoetis, directs all fiscal planning and financial reporting across the Latin American and Canadian markets. Managing complex budgetary requirements for animal health pharmaceutical distribution, the Regional Chief Financial Officer, Latin America (Canada) ensures strict adherence to international accounting standards while optimizing capital allocation for regional growth. Renato Vilas Boas monitors regional market volatility to protect profit margins on livestock and companion animal product lines. By collaborating with local veterinary distributors and retail partners, the Regional Chief Financial Officer, Latin America (Canada) drives sustainable revenue streams. This leadership role involves rigorous oversight of regional operational expenditures to support the broader corporate mission of delivering high-quality veterinary medicines. Through precise financial modeling and risk assessment, the Regional Chief Financial Officer, Latin America (Canada) secures the economic stability necessary for continued expansion within these critical geographic territories.

    Mark Chomow - Chief Technology Officer & Head of Transformation & Portfolio Management

    Mark Chomow, the Chief Technology Officer & Head of Transformation & Portfolio Management at Zoetis, architects the digital infrastructure supporting the discovery and manufacturing of animal health products. Overseeing the integration of advanced diagnostic technologies, the Chief Technology Officer & Head of Transformation & Portfolio Management drives the modernization of research pipelines to accelerate product development. Mark Chomow manages the strategic portfolio to ensure alignment between technological capabilities and market demands for livestock and companion animal pharmaceuticals. By streamlining internal processes, the Chief Technology Officer & Head of Transformation & Portfolio Management enhances operational efficiency across global manufacturing facilities. This leadership role requires constant evaluation of emerging biotech trends to maintain a competitive edge in the pharmaceutical industry. Through the implementation of scalable digital solutions, the Chief Technology Officer & Head of Transformation & Portfolio Management fosters innovation, ensuring that the company remains at the forefront of veterinary medicine and diagnostic excellence.

    Michael Tao - Chief Information Officer, Greater (China, APAC)

    Michael Tao, the Chief Information Officer, Greater (China, APAC) at Zoetis, directs the information technology strategy and data security protocols across the Asia-Pacific region. Overseeing the deployment of digital platforms for veterinary operations and supply chain management, the Chief Information Officer, Greater (China, APAC) ensures robust connectivity for regional sales representatives and technical specialists. Michael Tao manages the integration of advanced data analytics to track the performance of livestock and companion animal products in diverse markets. By strengthening cybersecurity measures, the Chief Information Officer, Greater (China, APAC) protects proprietary research and sensitive commercial data. This leadership role involves collaborating with global IT teams to standardize systems while addressing unique regional regulatory requirements. Through the optimization of information flow, the Chief Information Officer, Greater (China, APAC) enhances the efficiency of product distribution and customer engagement, directly contributing to the company's market penetration and operational success throughout the APAC region.

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    Frequently Asked Questions Regarding Zoetis Top Executives and Leadership Team

    Who leads Zoetis?
    Zoetis is led by Lee Penn (Senior Director, Chief of Staff, Office of the Chief Executive Officer), along with executives such as Renato Vilas Boas (Regional Chief Financial Officer, Latin America (Canada)) and Mark Chomow (Chief Technology Officer & Head of Transformation & Portfolio Management).
    Who is part of Zoetis’s executive team?
    The executive team of Zoetis includes leaders such as Lee Penn (Senior Director, Chief of Staff, Office of the Chief Executive Officer), Renato Vilas Boas (Regional Chief Financial Officer, Latin America (Canada)), Mark Chomow (Chief Technology Officer & Head of Transformation & Portfolio Management) and other senior executives.
    How many executives does Zoetis have?
    Zoetis has 4 executives leading key business areas.
    What roles are included in Zoetis’s leadership team?
    The leadership team of Zoetis includes roles such as Senior Director, Chief of Staff, Office of the Chief Executive Officer, Regional Chief Financial Officer, Latin America (Canada), Chief Technology Officer & Head of Transformation & Portfolio Management, Chief Information Officer, Greater (China, APAC).