Lantheus Executive and Leadership Team

August, 2026

Leadership Overview

Lantheus has 4 executives leading key functions including corporate communications, financial strategy, human capital management, and legal governance.

Focused on advancing medical imaging and diagnostic precision, Lantheus delivers innovative healthcare technology solutions that empower clinicians to identify, treat, and monitor complex diseases across global markets.

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, manages the fiscal health and capital allocation strategies necessary to support the development of medical imaging technologies. Overseeing global financial planning and analysis, the Chief Financial Officer & Treasurer ensures the company maintains a robust balance sheet to fund research into targeted therapeutics. This leadership role involves directing treasury operations and investor relations to maximize shareholder value while navigating complex regulatory environments. By optimizing capital structures, Marshall supports the expansion of diagnostic product portfolios into international markets. The Chief Financial Officer & Treasurer also collaborates with the executive team to evaluate potential acquisitions and strategic partnerships that enhance the technological capabilities of the firm. Through rigorous financial oversight, Robert Marshall secures the resources required for sustained innovation and operational excellence in the competitive healthcare technology sector.
    Robert Marshall

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

    Linda Lennox, the Chief of Staff & Vice President, Corporate Communications at Lantheus, directs internal and external messaging strategies to align with the company mission of advancing medical imaging technology. By managing executive office operations, the Chief of Staff & Vice President, Corporate Communications ensures seamless coordination between leadership teams and board members. This role involves crafting narratives that highlight diagnostic breakthroughs and targeted therapeutic advancements to stakeholders. Through strategic oversight of corporate branding, Lennox strengthens the market position of the organization across North American and European regions. The Chief of Staff & Vice President, Corporate Communications also facilitates cross-functional collaboration to support the development of artificial intelligence solutions for healthcare. By maintaining consistent communication standards, Linda Lennox drives organizational transparency and supports the long-term growth objectives of the company while fostering a culture of innovation in medical diagnostics.

    Jamie Spaeth - Chief People Officer

    Jamie Spaeth, the Chief People Officer at Lantheus, architects human capital strategies designed to attract and retain top talent within the medical imaging and diagnostic technology industry. By overseeing organizational development and employee engagement initiatives, the Chief People Officer ensures the workforce remains aligned with the mission of improving patient care through advanced software and health tools. This role involves designing comprehensive compensation programs and professional growth pathways that support a high-performance culture. Through the implementation of inclusive hiring practices, Spaeth drives diversity and innovation across all regional offices. The Chief People Officer also partners with leadership to manage change during periods of rapid growth and technological transition. By fostering a collaborative work environment, Jamie Spaeth empowers employees to contribute effectively to the development of life-saving medical solutions, ultimately strengthening the operational capacity of the entire organization.
    Jamie Spaeth

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

    Daniel Niedzwiecki, the Chief Administrative Officer, General Counsel & Corporate Secretary at Lantheus, oversees legal compliance, corporate governance, and administrative infrastructure to support the development of medical imaging technologies. By managing intellectual property portfolios and regulatory filings, the Chief Administrative Officer, General Counsel & Corporate Secretary protects the proprietary diagnostic tools and software solutions developed by the company. This role involves advising the board on governance matters and ensuring adherence to public company requirements. Through the oversight of legal risk management, Niedzwiecki facilitates the expansion of operations into new global markets. The Chief Administrative Officer, General Counsel & Corporate Secretary also directs administrative functions to streamline internal processes and improve organizational efficiency. By providing strategic legal counsel, Daniel Niedzwiecki ensures the company maintains its commitment to ethical standards while pursuing aggressive growth in the healthcare technology landscape.
    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.