Lantheus Executive and Leadership Team

July, 2026

Leadership Overview

Lantheus has 4 executives leading key functions including finance, operations, human resources, and legal.

Driven by a commitment to advancing healthcare, Lantheus pioneers medical imaging technologies and provides innovative diagnostics, targeted therapeutics, and artificial intelligence solutions, empowering clinicians to effectively identify, treat, and monitor diseases.

Leadership Roles at Lantheus

  • Chief Financial Officer & Treasurer - Robert Marshall
  • Chief of Staff & Vice President, Corporate Communications - Linda Lennox
  • Chief People Officer - Jamie Spaeth
  • Chief Administrative Officer, General Counsel & Corporate Secretary - Daniel Niedzwiecki
  • Robert Marshall - Chief Financial Officer & Treasurer

    Robert Marshall, the Chief Financial Officer & Treasurer at Lantheus, directs all financial operations and treasury functions. Overseeing the company's fiscal strategy, Marshall ensures robust financial planning, accurate reporting, and effective capital allocation to support Lantheus's growth in medical imaging and diagnostics. This leadership role involves managing investor relations and maintaining strong relationships with financial institutions, crucial for a publicly traded entity. By optimizing financial structures and driving cost efficiencies, Robert Marshall directly contributes to the company's long-term stability and its capacity to invest in pioneering healthcare technologies across North America and globally. Marshall's oversight extends to budgeting, forecasting, and risk management, safeguarding the company's assets and enhancing shareholder value.
    Robert Marshall

    Linda Lennox - Chief of Staff & Vice President, Corporate Communications

    Linda Lennox, the Chief of Staff & Vice President, Corporate Communications at Lantheus, orchestrates strategic initiatives and manages internal and external communications. Overseeing the flow of information and alignment across departments, Lennox ensures consistent messaging that reflects Lantheus's mission in healthcare technology. This position involves supporting executive leadership in executing key projects and fostering a cohesive organizational culture. By managing corporate communications, Linda Lennox enhances brand reputation and stakeholder engagement, vital for a company focused on innovative diagnostics and therapeutics. Lennox's role also encompasses facilitating cross-functional collaboration, ensuring operational efficiency and supporting the company's expansion into new markets. The strategic guidance provided by Linda Lennox directly supports the company's commitment to advancing patient care through medical imaging.

    Jamie Spaeth - Chief People Officer

    Jamie Spaeth, the Chief People Officer at Lantheus, leads all human capital strategies and talent management initiatives. Overseeing the development and implementation of programs that attract, retain, and engage employees, Spaeth cultivates a high-performance culture essential for innovation in healthcare technology. This role involves shaping the employee experience, ensuring robust HR policies, and driving organizational development across Lantheus's global operations. By fostering a supportive and dynamic work environment, Jamie Spaeth directly contributes to the company's ability to pioneer advanced medical imaging and diagnostic tools. Spaeth's strategic focus on people operations supports Lantheus's mission to empower clinicians and improve patient outcomes, ensuring the workforce is equipped to meet the evolving demands of the healthcare sector. The leadership of Jamie Spaeth is critical for aligning talent with the company's ambitious growth objectives.
    Jamie Spaeth

    Daniel Niedzwiecki - Chief Administrative Officer, General Counsel & Corporate Secretary

    Daniel Niedzwiecki, the Chief Administrative Officer, General Counsel & Corporate Secretary at Lantheus, directs all legal affairs, corporate governance, and administrative functions. Overseeing compliance, risk management, and the legal framework supporting Lantheus's healthcare technology innovations, Niedzwiecki ensures adherence to regulatory standards across its operations in Massachusetts, New Jersey, Canada, and Sweden. This critical role involves advising the board of directors and executive team on legal matters, safeguarding the company's interests. By managing corporate secretarial duties and administrative operations, Daniel Niedzwiecki facilitates smooth organizational functioning and supports the company's strategic objectives in medical imaging and diagnostics. Niedzwiecki's comprehensive oversight ensures that Lantheus operates with integrity and maintains its commitment to advancing patient care through cutting-edge solutions.
    Daniel Niedzwiecki

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    Frequently Asked Questions Regarding Lantheus Top Executives and Leadership Team

    Who leads Lantheus?
    Lantheus is led by Robert Marshall (Chief Financial Officer & Treasurer), along with executives such as Linda Lennox (Chief of Staff & Vice President, Corporate Communications) and Jamie Spaeth (Chief People Officer).
    Who is part of Lantheus’s executive team?
    The executive team of Lantheus includes leaders such as Robert Marshall (Chief Financial Officer & Treasurer), Linda Lennox (Chief of Staff & Vice President, Corporate Communications), Jamie Spaeth (Chief People Officer) and other senior executives.
    How many executives does Lantheus have?
    Lantheus has 4 executives leading key business areas.
    What roles are included in Lantheus’s leadership team?
    The leadership team of Lantheus includes roles such as Chief Financial Officer & Treasurer, Chief of Staff & Vice President, Corporate Communications, Chief People Officer, Chief Administrative Officer, General Counsel & Corporate Secretary.