Geisinger Executive and Leadership Team

July, 2026

Leadership Overview

Geisinger has 10 executives leading key functions including strategy, operations, marketing, information technology, human resources, and sales.

Driven by a commitment to patient well-being, Geisinger focuses on delivering integrated health services, pioneering medical research, and fostering a culture of innovation to advance healthcare outcomes across its extensive network.

Leadership Roles at Geisinger

  • President & Chief Executive Officer - Terry Gilliland
  • Chief Executive Officer, Geisinger Careworks - Kenneth Berndt
  • Chief Operating Officer - Megan Brosious
  • Chief Marketing Officer - Duane Davis
  • Chief Information Officer - Edith Hunter
  • Interim Chief Information Officer - Daniel Bennett
  • Associate Chief Technology Officer - Ryan Brewington
  • Chief Human Resources Officer - Brion Lieberman
  • Chief Applications Officer & Associate Chief Information Officer - Sean Koenig
  • Chief Sales Officer - Roger Van Baaren
  • Terry Gilliland - President & Chief Executive Officer

    Terry Gilliland, the President & Chief Executive Officer at Geisinger, directs the overarching strategy and operational execution for the entire health system. Overseeing all major divisions, Gilliland ensures alignment with Geisinger's mission to provide high-quality, accessible healthcare services. This leadership role involves driving innovation in patient care delivery, expanding the reach of medical education and research initiatives, and optimizing the integration of MyCode technology for personalized medicine. By fostering a culture of excellence and accountability, Terry Gilliland guides Geisinger's market position and financial sustainability, ensuring robust growth and continued advancement in healthcare solutions across Pennsylvania and beyond. The Chief Executive Officer's vision shapes the organization's response to evolving healthcare landscapes and patient needs.
    Terry Gilliland

    Kenneth Berndt - Chief Executive Officer, Geisinger Careworks

    Kenneth Berndt, the Chief Executive Officer, Geisinger Careworks at Geisinger, leads the strategic direction and operational management of Geisinger's Careworks division. Overseeing the specific functions and services offered by Careworks, Berndt ensures alignment with the broader Geisinger mission of providing comprehensive healthcare. This executive role involves driving growth and innovation within the Careworks segment, focusing on delivering specialized services and enhancing patient access. By managing key initiatives and fostering collaboration, Kenneth Berndt strengthens the impact of Careworks on patient outcomes and organizational success. The Chief Executive Officer, Geisinger Careworks, plays a pivotal part in expanding the organization's specialized service offerings and market presence.

    Megan Brosious - Chief Operating Officer

    Megan Brosious, the Chief Operating Officer at Geisinger, manages the day-to-day operations across the health system's diverse service lines. Overseeing hospital and trauma center functions, primary care, and specialist networks, Brosious ensures efficient and effective patient care delivery. This critical role involves optimizing resource allocation, enhancing operational workflows, and implementing best practices to improve patient outcomes and operational efficiency. By collaborating with clinical and administrative teams, Megan Brosious drives initiatives aimed at streamlining service delivery and expanding access to care. The Chief Operating Officer's focus on operational excellence directly supports Geisinger's commitment to providing comprehensive healthcare solutions and maintaining high standards of service across all facilities.
    Megan Brosious

    Duane Davis - Chief Marketing Officer

    Duane Davis, the Chief Marketing Officer at Geisinger, leads all branding, communication, and market development strategies for the health system. Overseeing campaigns that highlight Geisinger's comprehensive services, including primary care, specialists, and insurance offerings, Davis drives patient engagement and market penetration. This role involves shaping the public perception of Geisinger's commitment to innovation, medical education, and research. By developing targeted marketing initiatives, Duane Davis ensures that the organization's value proposition resonates with diverse patient populations and stakeholders. The Chief Marketing Officer's efforts are crucial in reinforcing Geisinger's position as a leading healthcare provider and expanding its reach across its service areas.

    Edith Hunter - Chief Information Officer

    Edith Hunter, the Chief Information Officer at Geisinger, directs the strategic development and implementation of all information technology infrastructure and systems. Overseeing the technological backbone that supports patient care, research, and administrative functions, Hunter ensures data security, system reliability, and technological innovation. This leadership position involves managing the integration of advanced IT solutions, including those related to MyCode technology, to enhance patient care and operational efficiency. By guiding the IT department, Edith Hunter champions digital transformation initiatives that improve access to health information and streamline clinical workflows. The Chief Information Officer's expertise is vital in maintaining Geisinger's technological edge and supporting its mission of advancing healthcare through data and digital solutions.

    Daniel Bennett - Interim Chief Information Officer

    Daniel Bennett, the Interim Chief Information Officer at Geisinger, provides critical leadership and oversight for the organization's information technology operations during a transitional period. Overseeing the management of IT infrastructure, system maintenance, and the deployment of technology solutions, Bennett ensures continuity and stability across all digital platforms. This role involves supporting ongoing IT projects and initiatives, including those related to patient care systems and data management. By collaborating with IT teams and other executive leaders, Daniel Bennett maintains the integrity and performance of Geisinger's technology environment. The Interim Chief Information Officer's focus is on ensuring seamless IT operations and supporting the organization's strategic technology objectives.

    Ryan Brewington - Associate Chief Technology Officer

    Ryan Brewington, the Associate Chief Technology Officer at Geisinger, supports the strategic development and implementation of advanced technology solutions across the health system. Overseeing key technology initiatives and infrastructure projects, Brewington ensures that Geisinger remains at the forefront of technological innovation in healthcare. This role involves collaborating with IT leadership to enhance system performance, data security, and the integration of new technologies that support patient care and research. By contributing to the technological roadmap, Ryan Brewington helps drive efficiency and effectiveness in clinical and operational workflows. The Associate Chief Technology Officer's expertise is instrumental in advancing Geisinger's technological capabilities and supporting its mission.

    Brion Lieberman - Chief Human Resources Officer

    Brion Lieberman, the Chief Human Resources Officer at Geisinger, directs all human capital strategies and workforce management initiatives for the organization. Overseeing talent acquisition, employee development, compensation, and benefits, Lieberman ensures a robust and engaged workforce capable of delivering exceptional patient care. This leadership role involves fostering a positive and inclusive work environment, aligning HR policies with Geisinger's mission and values, and driving initiatives that support employee well-being and professional growth. By managing the human resources function, Brion Lieberman plays a critical part in attracting, retaining, and developing the talent necessary for Geisinger's continued success and expansion. The Chief Human Resources Officer's strategic approach to workforce development is essential for organizational resilience.
    Brion Lieberman

    Sean Koenig - Chief Applications Officer & Associate Chief Information Officer

    Sean Koenig, the Chief Applications Officer & Associate Chief Information Officer at Geisinger, leads the strategic management and optimization of all enterprise applications supporting clinical and business operations. Overseeing the development, implementation, and maintenance of critical software systems, Koenig ensures that technology solutions effectively meet the needs of healthcare providers and patients. This dual role involves driving innovation in application architecture and ensuring the seamless integration of diverse software platforms. By focusing on application performance and user experience, Sean Koenig enhances operational efficiency and supports Geisinger's commitment to advanced patient care. The Chief Applications Officer's work is vital for leveraging technology to achieve organizational goals.

    Roger Van Baaren - Chief Sales Officer

    Roger Van Baaren, the Chief Sales Officer at Geisinger, directs all sales strategies and revenue generation efforts across the organization's service lines. Overseeing the sales teams responsible for promoting Geisinger's healthcare services, insurance products, and specialized programs, Van Baaren drives market expansion and client acquisition. This executive position involves developing and executing sales plans that align with Geisinger's growth objectives and financial targets. By fostering strong relationships with partners and clients, Roger Van Baaren ensures the successful commercialization of Geisinger's offerings. The Chief Sales Officer's leadership is crucial for maximizing revenue streams and strengthening Geisinger's competitive position in the healthcare market.

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    Frequently Asked Questions Regarding Geisinger Top Executives and Leadership Team

    Who leads Geisinger?
    Geisinger is led by Terry Gilliland (President & Chief Executive Officer), along with executives such as Kenneth Berndt (Chief Executive Officer, Geisinger Careworks) and Megan Brosious (Chief Operating Officer).
    Who is part of Geisinger’s executive team?
    The executive team of Geisinger includes leaders such as Terry Gilliland (President & Chief Executive Officer), Kenneth Berndt (Chief Executive Officer, Geisinger Careworks), Megan Brosious (Chief Operating Officer) and other senior executives.
    How many executives does Geisinger have?
    Geisinger has 10 executives leading key business areas.
    What roles are included in Geisinger’s leadership team?
    The leadership team of Geisinger includes roles such as President & Chief Executive Officer, Chief Executive Officer, Geisinger Careworks, Chief Operating Officer, Chief Marketing Officer, Chief Information Officer.