Geisinger Executive and Leadership Team

May, 2026

Leadership Overview

Geisinger has 10 executives leading key functions including strategy, marketing, finance, operations, information technology, human resources, care delivery, applications, technology, and administration.

Driven by a commitment to patient well-being, Geisinger focuses on delivering integrated, high-quality healthcare services and advancing medical research to improve community health outcomes across its operational footprint.

Leadership Roles at Geisinger

  • President & Chief Executive Officer - Terry Gilliland
  • Chief Executive Officer, Geisinger Careworks - Kenneth Berndt
  • Chief Financial Officer - Levi Bucher
  • Chief Operating Officer - Megan Brosious
  • Chief Marketing Officer - Duane Davis
  • Interim Chief Information Officer - Daniel Bennett
  • Chief Human Resources Officer - Richard Merkle
  • Chief Applications Officer & Associate Chief Information Officer - Sean Koenig
  • Associate Chief Technology Officer - Ryan Brewington
  • Chief Administrative Officer - Kay Hamilton
  • 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. Gilliland guides the organization's mission to provide comprehensive healthcare services, encompassing primary and specialist care, advanced trauma centers, and innovative insurance solutions. This leadership role involves fostering a culture of medical education and cutting-edge research, particularly through initiatives like the MyCode technology. Overseeing all major strategic decisions, Terry Gilliland ensures Geisinger maintains its position as a leading health provider, driving advancements in patient care and operational efficiency across its extensive network. The focus remains on enhancing patient outcomes and expanding access to high-quality medical services throughout the regions Geisinger serves.
    Terry Gilliland

    Kenneth Berndt - Chief Executive Officer, Geisinger Careworks

    Kenneth Berndt, the Chief Executive Officer, Geisinger Careworks at Geisinger, leads the strategic vision and operational management for Geisinger's Careworks division, focusing on integrated care delivery and patient access. Berndt oversees the development and execution of strategies aimed at enhancing primary care services, specialist access, and patient engagement across the Careworks network. This executive role is instrumental in ensuring that Careworks effectively supports Geisinger's broader mission by providing accessible, high-quality healthcare solutions. Kenneth Berndt drives initiatives to improve patient outcomes, optimize service delivery, and foster innovation within the Careworks framework. Berndt's leadership ensures the division operates efficiently and effectively, contributing significantly to Geisinger's overall commitment to community health and medical advancement.

    Levi Bucher - Chief Financial Officer

    Levi Bucher, the Chief Financial Officer at Geisinger, manages the financial health and strategic fiscal planning for the entire healthcare organization. Bucher oversees all financial operations, including budgeting, revenue cycle management, investment strategies, and financial reporting across Geisinger's extensive network of services, which includes hospitals, trauma centers, insurance, and medical education programs. This critical position ensures the financial sustainability required to support ongoing advancements in patient care, medical research, and the development of technologies like MyCode. By maintaining rigorous financial oversight, Levi Bucher enables Geisinger to allocate resources effectively, optimize operational costs, and pursue growth opportunities. Bucher's leadership ensures the organization's financial stability, supporting its mission to deliver accessible, high-quality healthcare.

    Megan Brosious - Chief Operating Officer

    Megan Brosious, the Chief Operating Officer at Geisinger, directs the day-to-day operational efficiency and service delivery across all facets of the health system. Brosious oversees the seamless integration of services, including primary care, specialist practices, hospitals, trauma centers, and insurance operations, ensuring high standards of patient care and operational excellence. This role is pivotal in optimizing resource allocation, streamlining workflows, and enhancing the patient experience throughout Geisinger's network. Megan Brosious focuses on implementing best practices in healthcare management, driving improvements in clinical outcomes and operational performance. By managing the complex operational landscape, Brosious supports Geisinger's mission to provide comprehensive, accessible, and innovative healthcare solutions, including advancements in medical research and technology.
    Megan Brosious

    Duane Davis - Chief Marketing Officer

    Duane Davis, the Chief Marketing Officer at Geisinger, architects and executes comprehensive marketing and communication strategies to enhance brand visibility and patient engagement. Davis oversees all promotional activities, public relations, and digital outreach efforts designed to articulate Geisinger's value proposition across its diverse service lines, including primary care, specialists, hospitals, and insurance offerings. This role is critical in communicating the organization's commitment to medical education and research, as well as the unique capabilities of its MyCode technology. By developing targeted campaigns, Duane Davis ensures that Geisinger effectively reaches its patient populations and stakeholders, reinforcing its reputation for quality care and innovation. Davis drives initiatives that support patient acquisition and retention, aligning marketing efforts with the broader strategic goals of the health system.

    Daniel Bennett - Interim Chief Information Officer

    Daniel Bennett, the Interim Chief Information Officer at Geisinger, leads the strategic direction and implementation of information technology infrastructure and digital solutions across the organization. Bennett oversees the management of all IT operations, ensuring the security, reliability, and scalability of systems that support Geisinger's diverse services, from patient care and hospital management to insurance and research initiatives. This role is crucial for advancing Geisinger's technological capabilities, including the MyCode technology platform, and enhancing data security and interoperability. Daniel Bennett focuses on leveraging technology to improve patient outcomes, streamline administrative processes, and support medical education and research efforts. Bennett's leadership ensures that IT systems effectively enable Geisinger's mission of providing high-quality, accessible healthcare.

    Richard Merkle - Chief Human Resources Officer

    Richard Merkle, the Chief Human Resources Officer at Geisinger, directs all human capital strategies and workforce management initiatives for the health system. Merkle oversees talent acquisition, employee development, compensation and benefits, and employee relations, ensuring a skilled and engaged workforce across Geisinger's extensive operations, including its hospitals, clinics, and research divisions. This leadership position is vital for fostering a supportive and productive work environment that aligns with Geisinger's mission of delivering exceptional patient care and advancing medical innovation. Richard Merkle focuses on cultivating a culture of excellence, promoting diversity and inclusion, and ensuring compliance with all labor regulations. Merkle's strategic approach to human resources supports the organization's ability to attract and retain top talent necessary for its continued success in healthcare.

    Sean Koenig - Chief Applications Officer & Associate Chief Information Officer

    Sean Koenig, the Chief Applications Officer & Associate Chief Information Officer at Geisinger, spearheads the development, implementation, and management of critical software applications and IT systems supporting the health system's operations. Koenig oversees the portfolio of applications that enable patient care, hospital administration, insurance services, and research initiatives, ensuring their functionality, integration, and alignment with strategic objectives. This dual role is essential for optimizing the technological infrastructure that underpins Geisinger's commitment to innovation and patient service. Sean Koenig focuses on enhancing user experience, improving data accessibility, and ensuring the security and compliance of all application systems. Koenig's leadership drives the effective utilization of technology to support Geisinger's mission of delivering high-quality healthcare and advancing medical knowledge.

    Ryan Brewington - Associate Chief Technology Officer

    Ryan Brewington, the Associate Chief Technology Officer at Geisinger, supports the strategic planning and execution of technology initiatives that advance the health system's infrastructure and capabilities. Brewington collaborates on the implementation of new technologies and the optimization of existing systems to ensure robust performance and security across Geisinger's diverse operations, including patient care, research, and administrative functions. This role is critical in driving technological innovation and ensuring that Geisinger's IT environment supports its mission of providing exceptional healthcare services. Ryan Brewington focuses on evaluating emerging technologies, managing technology projects, and ensuring the reliability and scalability of the technology infrastructure. Brewington's contributions are vital to maintaining Geisinger's technological edge and supporting its commitment to patient well-being and medical advancement.

    Kay Hamilton - Chief Administrative Officer

    Kay Hamilton, the Chief Administrative Officer at Geisinger, oversees a broad range of administrative functions essential to the efficient operation of the health system. Hamilton directs key support services, ensuring seamless integration and optimal performance across departments that facilitate Geisinger's core mission of providing comprehensive healthcare. This leadership role encompasses managing critical administrative processes that support patient care, medical education, research endeavors, and the overall strategic direction of the organization. Kay Hamilton focuses on enhancing operational effectiveness, optimizing resource utilization, and ensuring compliance with regulatory standards. Hamilton's oversight of administrative operations is fundamental to maintaining Geisinger's commitment to quality, accessibility, and innovation in healthcare delivery.

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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 Levi Bucher (Chief Financial 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), Levi Bucher (Chief Financial 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 Financial Officer, Chief Operating Officer, Chief Marketing Officer.