PSL Group Executive and Leadership Team

August, 2026

Leadership Overview

PSL Group has 9 executives leading key functions including strategy, finance, operations, technology, enterprise partnerships, and business unit management.

Focused on delivering high-impact pharmaceutical market research, PSL Group drives global healthcare communication through clinical evidence and professional marketing programs that resonate with physicians across international markets.

Leadership Roles at PSL Group

  • Chief Executive Officer - Michele Fearon
  • Chief Financial Officer - Jim Karr
  • Chief Operating Officer - Elizabeth Barron
  • Executive President, Enterprise Partnerships, Peerdirect - Kristin Stockett
  • Group President - Stephanie Kennedy-Harris
  • Executive President, Enterprise Partnerships - Kim Nachbaur
  • Group President, Business Unit, Peerscience - Jill Myerow
  • Chief Information Officer - Gilbert Merariu
  • Chief Operations Officer - Christian Grenon
  • Michele Fearon - Chief Executive Officer

    Michele Fearon, the Chief Executive Officer at PSL Group, directs the overarching strategic vision and global market expansion for the organization. Overseeing the integration of clinical evidence with professional marketing messages, the Chief Executive Officer ensures that all pharmaceutical market research services maintain high standards of accuracy and relevance. This leadership role involves constant collaboration with the Board to align corporate objectives with the evolving needs of healthcare communication agencies. By fostering innovation in online fieldwork services, Michele Fearon directly impacts the company's ability to support consulting firms across North America, Europe, and Asia. The Chief Executive Officer maintains a focus on long-term growth, ensuring that the firm remains a leader in providing actionable insights to the medical community. Through rigorous oversight of international operations, Fearon secures the firm's position as a premier partner for global healthcare entities.

    Jim Karr - Chief Financial Officer

    Jim Karr, the Chief Financial Officer at PSL Group, manages the fiscal health and capital allocation strategies necessary to support global fieldwork operations. Overseeing financial planning, budgeting, and risk management, the Chief Financial Officer ensures that resources remain optimized for international expansion across diverse healthcare markets. This leadership role involves close coordination with executive leadership to evaluate the profitability of new pharmaceutical market research initiatives. By implementing robust financial controls, Jim Karr directly supports the company's mission to deliver high-quality clinical evidence programs. The Chief Financial Officer monitors economic trends in North America and Europe to mitigate potential fiscal volatility. Through precise financial reporting and strategic investment in technology, Karr maintains the stability required for sustained growth. Karr drives the financial discipline that allows the organization to scale its services effectively while meeting the complex demands of global consulting and communication agencies.

    Elizabeth Barron - Chief Operating Officer

    Elizabeth Barron, the Chief Operating Officer at PSL Group, architects the internal processes and service delivery frameworks that define the company's online fieldwork capabilities. Overseeing the execution of pharmaceutical market research projects, the Chief Operating Officer ensures that all programs align with the specific clinical evidence requirements of healthcare communication agencies. This leadership role involves streamlining cross-functional workflows to enhance efficiency across international regions. By optimizing the delivery of PV update programs, Elizabeth Barron directly impacts the quality of physician engagement strategies. The Chief Operating Officer manages the operational infrastructure to ensure seamless service delivery in North America, Latin America, and beyond. Through continuous process improvement, Barron drives the operational excellence necessary to maintain a competitive edge in the market. Barron ensures that internal systems support the rapid deployment of professional marketing messages, ultimately facilitating superior outcomes for the firm's diverse client base.

    Kristin Stockett - Executive President, Enterprise Partnerships, Peerdirect

    Kristin Stockett, the Executive President, Enterprise Partnerships, Peerdirect at PSL Group, directs the growth of strategic alliances with major healthcare communication agencies. Overseeing the expansion of the Peerdirect platform, the Executive President, Enterprise Partnerships, Peerdirect ensures that enterprise clients receive tailored solutions for physician engagement and clinical evidence dissemination. This leadership role involves cultivating long-term relationships with key stakeholders to drive revenue growth and market penetration. By aligning enterprise partnerships with the company's core mission, Kristin Stockett directly impacts the firm's ability to influence medical education programs. The Executive President, Enterprise Partnerships, Peerdirect manages the strategic outreach efforts across North America and international markets. Through the development of high-value partnership models, Stockett secures the firm's position as a preferred provider for large-scale pharmaceutical research. Stockett drives the collaborative efforts that allow the organization to deliver impactful marketing messages to a global audience of medical professionals.

    Stephanie Kennedy-Harris - Group President

    Stephanie Kennedy-Harris, the Group President at PSL Group, oversees the performance and strategic direction of key business units within the organization. Directing the implementation of pharmaceutical market research initiatives, the Group President ensures that all programs effectively combine professional marketing messages with clinical evidence. This leadership role involves coordinating with other C-suite leaders to maintain alignment with the company's overarching goals. By fostering a culture of excellence, Stephanie Kennedy-Harris directly impacts the quality of service provided to healthcare communication agencies. The Group President manages the operational success of various business segments across international regions. Through the oversight of key client accounts, Kennedy-Harris drives the growth of the firm's market share. Kennedy-Harris ensures that the organization remains responsive to the needs of physicians and consulting firms, ultimately supporting the firm's mission to provide high-quality, evidence-based healthcare communication solutions on a global scale.

    Kim Nachbaur - Executive President, Enterprise Partnerships

    Kim Nachbaur, the Executive President, Enterprise Partnerships at PSL Group, directs the development of large-scale collaborations with pharmaceutical and consulting firms. Overseeing the strategic management of enterprise accounts, the Executive President, Enterprise Partnerships ensures that the firm's fieldwork services meet the complex requirements of global healthcare communication agencies. This leadership role involves identifying new market opportunities and expanding the reach of the company's clinical evidence programs. By fostering strong relationships with enterprise partners, Kim Nachbaur directly impacts the firm's ability to deliver resonant marketing messages to physicians. The Executive President, Enterprise Partnerships manages the strategic alignment of partnership initiatives across North America and international territories. Through the execution of high-level business development strategies, Nachbaur drives the growth of the enterprise portfolio. Nachbaur ensures that the organization remains a vital partner for clients seeking to bridge the gap between clinical research and professional medical education.

    Jill Myerow - Group President, Business Unit, Peerscience

    Jill Myerow, the Group President, Business Unit, Peerscience at PSL Group, directs the specialized research and scientific communication efforts within the Peerscience division. Overseeing the development of evidence-based programs, the Group President, Business Unit, Peerscience ensures that all scientific content aligns with the needs of pharmaceutical consulting agencies. This leadership role involves managing the integration of clinical data into professional marketing strategies to enhance physician engagement. By leading the Peerscience unit, Jill Myerow directly impacts the firm's ability to provide high-quality scientific insights to the healthcare community. The Group President, Business Unit, Peerscience coordinates with other business units to ensure a cohesive approach to market research. Through the oversight of scientific communication projects, Myerow drives the growth of the division's influence in international markets. Myerow ensures that the organization maintains its reputation for scientific rigor and excellence in all healthcare communication initiatives.

    Gilbert Merariu - Chief Information Officer

    Gilbert Merariu, the Chief Information Officer at PSL Group, directs the technological infrastructure and data security protocols essential for global pharmaceutical market research. Overseeing the development of digital platforms, the Chief Information Officer ensures that all online fieldwork services remain secure, scalable, and compliant with international healthcare regulations. This leadership role involves integrating advanced data analytics to enhance the delivery of clinical evidence programs. By modernizing the firm's digital architecture, Gilbert Merariu directly supports the ability of consulting agencies to access real-time insights. The Chief Information Officer manages the technology roadmap to facilitate seamless collaboration across global offices. Through the implementation of robust cybersecurity measures, Merariu protects sensitive medical data while enabling efficient communication between physicians and researchers. Merariu drives the digital transformation that allows the organization to maintain its status as a leader in the healthcare communication sector.
    Gilbert Merariu

    Christian Grenon - Chief Operations Officer

    Christian Grenon, the Chief Operations Officer at PSL Group, manages the logistics and supply chain aspects of the firm's global fieldwork services. Overseeing the coordination of on-label education reviews and PV update programs, the Chief Operations Officer ensures that all operational activities meet the rigorous standards of pharmaceutical consulting agencies. This leadership role involves managing regional teams to ensure consistent service delivery across international markets. By refining the logistical framework for physician engagement, Christian Grenon directly impacts the speed and accuracy of market research data collection. The Chief Operations Officer collaborates with other executives to align operational capacity with the evolving demands of the healthcare industry. Through the implementation of standardized operational procedures, Grenon drives efficiency and reliability in every project. Grenon ensures that the firm's operational footprint remains agile, allowing for rapid response to the needs of clients in North America, Europe, and Asia.
    Christian Grenon

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    Frequently Asked Questions Regarding PSL Group Top Executives and Leadership Team

    Who leads PSL Group?
    PSL Group is led by Michele Fearon (Chief Executive Officer), along with executives such as Jim Karr (Chief Financial Officer) and Elizabeth Barron (Chief Operating Officer).
    Who is part of PSL Group’s executive team?
    The executive team of PSL Group includes leaders such as Michele Fearon (Chief Executive Officer), Jim Karr (Chief Financial Officer), Elizabeth Barron (Chief Operating Officer) and other senior executives.
    How many executives does PSL Group have?
    PSL Group has 9 executives leading key business areas.
    What roles are included in PSL Group’s leadership team?
    The leadership team of PSL Group includes roles such as Chief Executive Officer, Chief Financial Officer, Chief Operating Officer, Executive President, Enterprise Partnerships, Peerdirect, Group President.