Lantheus Executive and Leadership Team

June, 2026

Leadership Overview

Lantheus has 4 executives leading key functions including strategy, finance, 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 fiscal strategy. Overseeing treasury functions, Marshall ensures robust financial planning, accurate reporting, and effective capital management to support Lantheus's growth in medical imaging and diagnostics. This executive position involves managing investor relations, securing funding, and optimizing the company's financial structure to drive value. By maintaining stringent financial controls and identifying strategic investment opportunities, Robert Marshall directly contributes to the company's expansion and its commitment to innovation in healthcare technology. The responsibilities encompass budgeting, forecasting, and ensuring compliance with financial regulations across Lantheus's global presence, including its operations in Massachusetts, New Jersey, Canada, and Sweden, thereby safeguarding the company's financial health and supporting its mission to enhance patient care.
    Robert Marshall

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

    Linda Lennox, the Chief of Staff & Vice President, Corporate Communications at Lantheus, directs strategic initiatives and manages internal and external communications. Overseeing the flow of information, Lennox ensures consistent messaging across all platforms, aligning corporate narratives with the company's mission of advancing healthcare through medical imaging and diagnostics. This leadership role involves close collaboration with executive teams to translate business objectives into clear, impactful communications strategies. By managing stakeholder relations and corporate branding, Linda Lennox supports Lantheus's commitment to innovation in healthcare technology and its expansion into new markets. The scope of this position includes guiding the development and execution of communication plans that enhance the company's reputation and market presence, particularly concerning its diverse product portfolio focused on patient care.

    Jamie Spaeth - Chief People Officer

    Jamie Spaeth, the Chief People Officer at Lantheus, architects the human capital strategy to foster a high-performance culture. Overseeing all aspects of talent management, employee engagement, and organizational development, Spaeth ensures Lantheus attracts, retains, and develops the skilled workforce necessary for pioneering medical imaging technologies and diagnostics. This critical role involves shaping policies and programs that align with the company's mission to empower clinicians and enhance patient care through innovative solutions. By cultivating a supportive and dynamic work environment across Lantheus's locations, including its headquarters in Bedford, Massachusetts, and international offices, Jamie Spaeth drives employee satisfaction and operational excellence. The focus remains on building a cohesive team dedicated to advancing healthcare technology and expanding the company's global reach.
    Jamie Spaeth

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

    Daniel Niedzwiecki, the Chief Administrative Officer, General Counsel & Corporate Secretary at Lantheus, provides comprehensive legal and administrative oversight. Directing all legal affairs, corporate governance, and administrative functions, Niedzwiecki ensures Lantheus operates with integrity and in full compliance with regulatory standards across its healthcare technology initiatives. This executive leadership position involves advising the board and management on legal matters, managing risk, and overseeing corporate compliance, thereby supporting the company's mission to deliver innovative diagnostics and therapeutics. By safeguarding the company's legal interests and streamlining administrative processes, Daniel Niedzwiecki facilitates Lantheus's commitment to advancing patient care through medical imaging and AI solutions. The scope includes managing legal aspects of global operations and corporate communications, ensuring robust governance for the publicly traded entity.
    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.