Viatris Executive and Leadership Team

July, 2026

Leadership Overview

Viatris has 10 executives leading key functions including strategy, finance, marketing, operations, and technology.

Driven by a commitment to patient health, Viatris empowers individuals globally with access to essential medicines, fosters sustainable operations, and pioneers innovative healthcare solutions through collective expertise.

Leadership Roles at Viatris

  • Interim Chief Financial Officer - Paul Campbell
  • Chief of Staff To the Chief Financial Officer - Zac Walters
  • Chief of Staff To the Chief Financial Officer - Tj Valerio
  • Chief of Staff - Kristin DiBartolomeo
  • Chief of Staff & Office of Administrative Chief & Transformation Officer - Nicolette O'Rourke
  • Chief of Staff & Chief Supply Officer (Office of Supply) - Jeff Wallace
  • Chief Marketing Officer, Quality Assurance & Senior Specialist - Kübra Kunt
  • Head of Global Compliance Risk, Transparency & Due Diligence Chief of Staff - Florence Wright
  • Chief of Staff & Supply Chief & Officer - Holly Howes
  • Global Chief Information Officer - Ramkumar Rayapureddy
  • Paul Campbell - Interim Chief Financial Officer

    Paul Campbell, the Interim Chief Financial Officer at Viatris, directs financial strategy and fiscal management to support global operations. Overseeing all financial planning, reporting, and investment activities, Campbell ensures robust fiscal health for the organization. This critical role involves managing capital allocation and driving financial discipline to enable Viatris's mission of providing access to medicines. By optimizing financial resources, Paul Campbell directly supports the company's sustainable operations and development of innovative solutions. Ultimately, Campbell safeguards the financial stability required for Viatris to empower healthier lives worldwide.

    Zac Walters - Chief of Staff To the Chief Financial Officer

    Zac Walters, the Chief of Staff To the Chief Financial Officer at Viatris, provides strategic support and operational oversight for financial functions. Assisting the CFO in managing fiscal planning and resource allocation, Walters ensures alignment with Viatris's broader business objectives. This role involves facilitating communication between finance and other departments to drive efficiency and support sustainable operations. By streamlining financial processes, Zac Walters directly contributes to the company's capacity to invest in innovative solutions. Ultimately, Walters enhances the financial agility necessary for Viatris to expand global access to medicines.

    Tj Valerio - Chief of Staff To the Chief Financial Officer

    Tj Valerio, the Chief of Staff To the Chief Financial Officer at Viatris, supports the CFO in executing financial strategies and managing operational efficiencies. Collaborating closely with the finance team, Valerio facilitates the implementation of fiscal policies and drives key financial projects. This role is integral to ensuring Viatris maintains robust financial health while pursuing its mission of global healthcare access. By enhancing financial coordination, Tj Valerio directly contributes to the company's capacity for sustainable operations and innovation. Ultimately, Valerio strengthens the financial infrastructure supporting Viatris's commitment to patient well-being worldwide.

    Kristin DiBartolomeo - Chief of Staff

    Kristin DiBartolomeo, the Chief of Staff at Viatris, directs strategic initiatives and operational alignment across key departments. Overseeing critical projects, DiBartolomeo ensures seamless execution of Viatris's mission to provide global access to medicines. This leadership role involves close collaboration with executive leadership to drive efficiency and advance sustainable operations. By optimizing internal processes, Kristin DiBartolomeo directly supports the company's commitment to improving patient health worldwide. Ultimately, DiBartolomeo enhances the company's ability to deliver innovative solutions at every stage of life.

    Nicolette O'Rourke - Chief of Staff & Office of Administrative Chief & Transformation Officer

    Nicolette O'Rourke, the Chief of Staff & Office of Administrative Chief & Transformation Officer at Viatris, spearheads administrative functions and drives organizational transformation. Managing key administrative operations, O'Rourke ensures efficient support for executive leadership and facilitates strategic change initiatives. This position involves enhancing operational frameworks to align with Viatris's goals of advancing sustainable operations and developing innovative solutions. By streamlining administrative processes, Nicolette O'Rourke directly contributes to the company's capacity to improve patient health globally. Ultimately, O'Rourke strengthens the company's infrastructure for delivering accessible medicines.

    Jeff Wallace - Chief of Staff & Chief Supply Officer (Office of Supply)

    Jeff Wallace, the Chief of Staff & Chief Supply Officer (Office of Supply) at Viatris, orchestrates global supply chain operations and strategic sourcing. Managing the end-to-end supply network, Wallace ensures the reliable delivery of medicines to patients worldwide. This leadership position involves optimizing logistics, inventory management, and supplier relationships to advance Viatris's commitment to sustainable operations. By enhancing supply chain resilience, Jeff Wallace directly supports the company's ability to provide consistent access to essential treatments. Ultimately, Wallace drives operational excellence critical for improving patient health at every life stage.
    Jeff Wallace

    Kübra Kunt - Chief Marketing Officer, Quality Assurance & Senior Specialist

    Kübra Kunt, the Chief Marketing Officer, Quality Assurance & Senior Specialist at Viatris, directs global marketing strategies and ensures stringent quality assurance standards. Overseeing brand development and market positioning, Kunt drives Viatris's mission to empower healthier lives through accessible medicines. This multifaceted role involves integrating quality management with marketing initiatives to enhance patient trust and product integrity. By championing quality and effective communication, Kübra Kunt directly supports the company's commitment to developing innovative solutions. Ultimately, Kunt elevates Viatris's market presence while upholding the highest standards of product safety and efficacy.

    Florence Wright - Head of Global Compliance Risk, Transparency & Due Diligence Chief of Staff

    Florence Wright, the Head of Global Compliance Risk, Transparency & Due Diligence Chief of Staff at Viatris, leads the development and implementation of comprehensive compliance programs. Overseeing risk management and due diligence processes, Wright ensures adherence to global regulatory standards and ethical practices. This critical function supports Viatris's commitment to advancing sustainable operations and maintaining transparency. By fortifying compliance frameworks, Florence Wright directly contributes to the company's reputation and its ability to operate responsibly worldwide. Ultimately, Wright safeguards Viatris's integrity, enabling the consistent delivery of safe and effective medicines.

    Holly Howes - Chief of Staff & Supply Chief & Officer

    Holly Howes, the Chief of Staff & Supply Chief & Officer at Viatris, drives strategic alignment and operational execution within the supply chain division. Managing key supply initiatives, Howes ensures the efficient and reliable distribution of Viatris's pharmaceutical products globally. This leadership role focuses on enhancing supply chain resilience and optimizing resource utilization to support the company's mission. By coordinating supply operations, Holly Howes directly contributes to Viatris's ability to provide consistent access to essential medicines. Ultimately, Howes strengthens the operational backbone necessary for improving patient health at every stage of life.

    Ramkumar Rayapureddy - Global Chief Information Officer

    Ramkumar Rayapureddy, the Global Chief Information Officer at Viatris, directs the company's technology strategy and digital transformation initiatives. Overseeing all IT infrastructure, cybersecurity, and data management, Rayapureddy ensures robust technological support for global operations. This leadership position is crucial for advancing Viatris's mission to develop innovative solutions and improve patient health through digital enablement. By leveraging cutting-edge technology, Ramkumar Rayapureddy directly supports the company's commitment to sustainable operations and efficient medicine delivery. Ultimately, Rayapureddy drives technological advancements that empower Viatris to expand access to healthcare worldwide.
    Ramkumar Rayapureddy

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    Frequently Asked Questions Regarding Viatris Top Executives and Leadership Team

    Who leads Viatris?
    Viatris is led by Paul Campbell (Interim Chief Financial Officer), along with executives such as Zac Walters (Chief of Staff To the Chief Financial Officer) and Tj Valerio (Chief of Staff To the Chief Financial Officer).
    Who is part of Viatris’s executive team?
    The executive team of Viatris includes leaders such as Paul Campbell (Interim Chief Financial Officer), Zac Walters (Chief of Staff To the Chief Financial Officer), Tj Valerio (Chief of Staff To the Chief Financial Officer) and other senior executives.
    How many executives does Viatris have?
    Viatris has 10 executives leading key business areas.
    What roles are included in Viatris’s leadership team?
    The leadership team of Viatris includes roles such as Interim Chief Financial Officer, Chief of Staff To the Chief Financial Officer, Chief of Staff To the Chief Financial Officer, Chief of Staff, Chief of Staff & Office of Administrative Chief & Transformation Officer.