Genmab Executive and Leadership Team

November, 2026

Leadership Overview

Genmab has 4 executives leading key functions including experimental medicine, global medical affairs, human resources, and administrative operations.

Driven by a commitment to oncology innovation, Genmab develops differentiated antibody therapeutics to improve patient lives through advanced biology and strategic global partnerships.

Leadership Roles at Genmab

  • Chief Marketing Officer & Executive VP, Head of Experimental Medicine - Tahamtan Ahmadi
  • Senior Director, Global Medical Affairs Strategy and Operations, Chief Of Staff - Jen Hart
  • Executive Vice President & Chief People Officer - Christopher Cozic
  • Executive Assistant To Executive Vice President and Chief People Officer, Chris Cozic - Alyse Cafasso
  • Tahamtan Ahmadi - Chief Marketing Officer & Executive VP, Head of Experimental Medicine

    Tahamtan Ahmadi, the Chief Marketing Officer & Executive VP, Head of Experimental Medicine at Genmab, directs the clinical translation of novel antibody candidates. Overseeing experimental medicine, Ahmadi bridges the gap between laboratory discovery and patient-focused clinical trials. This leadership role involves managing complex data science initiatives to validate bispecific T-cell engagers and immune checkpoint modulators. By aligning marketing strategies with clinical outcomes, Tahamtan Ahmadi ensures that therapeutic value reaches global markets effectively. The Chief Marketing Officer & Executive VP, Head of Experimental Medicine coordinates with research teams to accelerate the development of effector function enhanced antibodies. Through rigorous scientific oversight, Ahmadi maintains the competitive edge of the proprietary pipeline. This position requires constant collaboration with international partners to refine therapeutic positioning. Ultimately, Ahmadi drives the commercialization of life-saving oncology treatments across diverse geographic regions, ensuring that scientific breakthroughs translate into tangible clinical benefits for cancer patients worldwide.
    Tahamtan Ahmadi

    Jen Hart - Senior Director, Global Medical Affairs Strategy and Operations, Chief Of Staff

    Jen Hart, the Senior Director, Global Medical Affairs Strategy and Operations, Chief Of Staff at Genmab, architects the operational framework for medical communications and strategic engagement. Overseeing global medical affairs, Hart ensures that clinical data reaches healthcare providers with precision and clarity. This leadership role involves synchronizing cross-functional teams to support the launch of antibody-drug conjugates. By optimizing internal processes, Jen Hart facilitates seamless communication between research departments and external stakeholders. The Senior Director, Global Medical Affairs Strategy and Operations, Chief Of Staff manages the strategic alignment of medical initiatives across North American and European markets. Hart monitors operational efficiency to support the broader mission of improving cancer patient outcomes. Through meticulous planning and resource allocation, Hart strengthens the company's reputation within the biotechnology sector. This role demands high-level coordination with executive leadership to execute long-term corporate objectives. Ultimately, Hart secures the operational foundation necessary for the successful delivery of next-generation therapies to the global medical community.

    Christopher Cozic - Executive Vice President & Chief People Officer

    Christopher Cozic, the Executive Vice President & Chief People Officer at Genmab, directs the global human capital strategy to foster a culture of innovation. Overseeing talent acquisition and organizational development, Cozic ensures that the workforce possesses the expertise required for complex antibody research. This leadership role involves designing performance frameworks that reward scientific excellence and collaborative problem-solving. By implementing robust employee engagement programs, Christopher Cozic maintains high retention rates among top-tier researchers and data scientists. The Executive Vice President & Chief People Officer aligns human resources initiatives with the company's expansion goals in international hubs. Cozic manages the integration of diverse teams across multiple continents to support a unified corporate identity. Through strategic workforce planning, Cozic optimizes the organizational structure to meet the demands of a rapidly evolving biotechnology landscape. This position requires constant interaction with the Board to ensure that corporate culture remains a primary driver of long-term growth and scientific success.
    Christopher Cozic

    Alyse Cafasso - Executive Assistant To Executive Vice President and Chief People Officer, Chris Cozic

    Alyse Cafasso, the Executive Assistant To Executive Vice President and Chief People Officer, Chris Cozic at Genmab, manages the administrative infrastructure supporting the human resources division. Overseeing daily operations for the Chief People Officer, Cafasso ensures that executive priorities receive immediate attention and logistical support. This leadership role involves coordinating complex schedules and facilitating communication between the HR department and other corporate functions. By streamlining administrative workflows, Alyse Cafasso enables the leadership team to focus on high-impact talent strategies and organizational growth. The Executive Assistant To Executive Vice President and Chief People Officer, Chris Cozic maintains the integrity of sensitive personnel data and corporate records. Cafasso organizes high-level meetings that drive the company's internal culture initiatives. Through proactive management of executive time and resources, Cafasso enhances the overall efficiency of the human resources function. This role requires exceptional organizational skills to support the executive team in achieving the company's mission of delivering innovative cancer therapies to patients globally.

    Frequently Asked Questions Regarding Genmab Top Executives and Leadership Team

    Who leads Genmab?
    Genmab is led by Tahamtan Ahmadi (Chief Marketing Officer & Executive VP, Head of Experimental Medicine), along with executives such as Jen Hart (Senior Director, Global Medical Affairs Strategy and Operations, Chief Of Staff) and Christopher Cozic (Executive Vice President & Chief People Officer).
    Who is part of Genmab’s executive team?
    The executive team of Genmab includes leaders such as Tahamtan Ahmadi (Chief Marketing Officer & Executive VP, Head of Experimental Medicine), Jen Hart (Senior Director, Global Medical Affairs Strategy and Operations, Chief Of Staff), Christopher Cozic (Executive Vice President & Chief People Officer) and other senior executives.
    How many executives does Genmab have?
    Genmab has 4 executives leading key business areas.
    What roles are included in Genmab’s leadership team?
    The leadership team of Genmab includes roles such as Chief Marketing Officer & Executive VP, Head of Experimental Medicine, Senior Director, Global Medical Affairs Strategy and Operations, Chief Of Staff, Executive Vice President & Chief People Officer, Executive Assistant To Executive Vice President and Chief People Officer, Chris Cozic.