St. John's Health Executive and Leadership Team

October, 2026

Leadership Overview

St. John's Health has 8 executives leading key functions including strategy, financial oversight, administrative coordination, operational management, human capital, clinical operations, communications, and medical quality.

Committed to clinical excellence and community wellness, St. John's Health delivers high-quality inpatient and outpatient care while maintaining a five-star senior living community to support the Teton County region.

Leadership Roles at St. John's Health

  • Chief Executive Officer - Jeffrey Sollis
  • Chief Financial Officer - Mitchell Watson
  • Chief Operating Officer - John Mentgen
  • President/Chief Operating Officer - Michael Moore
  • Chief of Staff - Marcia Lux
  • Chief Human Resources Officer - Thomas Kinney
  • Chief Communications Officer - Karen Connelly
  • Chief Medical Officer - Timothy Hepner
  • Jeffrey Sollis - Chief Executive Officer

    Jeffrey Sollis, the Chief Executive Officer at St. John's Health, directs the overarching strategic vision for the entire community health system. Sollis architects long-term growth initiatives while ensuring clinical excellence across all inpatient and outpatient service lines. By collaborating with the Board and senior leadership, the Chief Executive Officer aligns organizational resources with the evolving healthcare needs of Teton County. Jeffrey Sollis monitors performance metrics to maintain the high standards recognized by national hospital rankings. This leadership role involves fostering partnerships with regional stakeholders to expand access to care. Through rigorous oversight of system-wide operations, the Chief Executive Officer drives the mission of individualized care and community wellness. Sollis secures the financial and operational health of the organization, ensuring that the system remains a premier provider of medical services within the Wyoming region.
    Jeffrey Sollis

    Mitchell Watson - Chief Financial Officer

    Mitchell Watson, the Chief Financial Officer at St. John's Health, manages the fiscal integrity and economic sustainability of the health system. Watson oversees capital allocation, revenue cycle management, and budgetary planning to support the delivery of high-quality medical services. By analyzing market trends and operational costs, the Chief Financial Officer ensures that resources remain directed toward clinical excellence and patient-centered care. Mitchell Watson coordinates with the executive team to evaluate investment opportunities in medical technology and facility infrastructure. This role involves maintaining robust financial controls to support the long-term viability of the five-star senior living community and other outpatient facilities. Through strategic financial planning, the Chief Financial Officer mitigates economic risks while enabling the expansion of healthcare services across the region. Watson drives fiscal accountability, ensuring that every dollar invested directly enhances the wellness of the community.
    Mitchell Watson

    John Mentgen - Chief Operating Officer

    John Mentgen, the Chief Operating Officer at St. John's Health, manages the daily operational functions of the hospital system to ensure high-quality patient care delivery. Mentgen oversees the integration of inpatient and outpatient services, focusing on process improvement and clinical workflow efficiency. By optimizing facility operations, the Chief Operating Officer ensures that medical teams possess the necessary resources to provide individualized care. John Mentgen collaborates with department heads to streamline patient throughput and enhance the overall experience within the health system. This leadership role involves monitoring operational performance indicators to maintain the standards required for top hospital recognition. Through the management of daily logistics and service delivery, the Chief Operating Officer drives the operational success of the organization. Mentgen ensures that all clinical and support services function in harmony to meet the wellness needs of the regional population.

    Michael Moore - President/Chief Operating Officer

    Michael Moore, the President/Chief Operating Officer at St. John's Health, leads the execution of strategic initiatives and oversees the tactical operations of the health system. Moore focuses on the expansion of service lines and the integration of advanced medical technologies to maintain clinical excellence. By directing the performance of various clinical departments, the President/Chief Operating Officer ensures that the organization meets its goals for patient outcomes and community wellness. Michael Moore collaborates with the executive team to refine operational models that support the five-star senior living community and outpatient facilities. This leadership role involves driving organizational change and fostering a culture of continuous improvement. Through the oversight of complex operational systems, the President/Chief Operating Officer ensures that the health system remains a leader in the regional healthcare market. Moore drives the implementation of policies that prioritize patient safety and high-quality care.

    Marcia Lux - Chief of Staff

    Marcia Lux, the Chief of Staff at St. John's Health, facilitates seamless communication and administrative alignment across the executive leadership team. Lux coordinates complex projects and ensures that strategic priorities receive consistent attention from all departments. By managing the flow of information between the Board and the operational units, the Chief of Staff optimizes decision-making processes. Marcia Lux oversees the implementation of organizational policies that support clinical excellence and patient safety. This leadership role involves resolving operational bottlenecks and fostering collaboration among diverse medical and administrative teams. Through the synchronization of internal workflows, the Chief of Staff drives efficiency and maintains the high standards expected of a top-tier hospital system. Lux ensures that the executive agenda remains focused on the core mission of providing individualized care to the residents of Teton County and the surrounding region.

    Thomas Kinney - Chief Human Resources Officer

    Thomas Kinney, the Chief Human Resources Officer at St. John's Health, directs the talent acquisition, retention, and workforce development strategies for the entire health system. Kinney architects programs that foster a culture of clinical excellence and professional growth among medical and support staff. By managing labor relations and organizational development, the Chief Human Resources Officer ensures that the workforce remains aligned with the mission of providing individualized care. Thomas Kinney oversees compensation, benefits, and employee engagement initiatives to attract top-tier healthcare talent to the region. This leadership role involves implementing training protocols that enhance the quality of patient interactions and staff performance. Through the strategic management of human capital, the Chief Human Resources Officer drives organizational stability and operational effectiveness. Kinney ensures that the health system maintains a highly skilled team capable of meeting the complex demands of the community.

    Karen Connelly - Chief Communications Officer

    Karen Connelly, the Chief Communications Officer at St. John's Health, manages the reputation and public messaging of the health system. Connelly architects communication strategies that highlight the organization's commitment to clinical excellence and community wellness. By overseeing internal and external communications, the Chief Communications Officer ensures that patients, staff, and the public remain informed about the high-quality care available within the system. Karen Connelly coordinates with the executive team to promote the achievements of the hospital and its senior living community. This leadership role involves managing media relations and community outreach programs to strengthen the presence of the health system in Teton County. Through the development of clear and impactful messaging, the Chief Communications Officer drives public trust and organizational visibility. Connelly ensures that the mission of the health system resonates effectively with the diverse needs of the regional population.
    Karen Connelly

    Timothy Hepner - Chief Medical Officer

    Timothy Hepner, the Chief Medical Officer at St. John's Health, directs the clinical quality and medical standards across the entire health system. Hepner architects evidence-based care protocols that ensure patient safety and clinical excellence in all inpatient and outpatient settings. By overseeing the medical staff and clinical departments, the Chief Medical Officer maintains the high standards required for top hospital recognition. Timothy Hepner collaborates with other executives to integrate new medical technologies and improve patient outcomes. This leadership role involves monitoring clinical performance data and implementing quality improvement initiatives to enhance community wellness. Through the rigorous oversight of medical practices, the Chief Medical Officer drives the delivery of individualized care. Hepner ensures that the health system remains at the forefront of medical innovation while providing compassionate and effective treatment to the residents of the region.

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    Frequently Asked Questions Regarding St. John's Health Top Executives and Leadership Team

    Who leads St. John's Health?
    St. John's Health is led by Jeffrey Sollis (Chief Executive Officer), along with executives such as Mitchell Watson (Chief Financial Officer) and John Mentgen (Chief Operating Officer).
    Who is part of St. John's Health’s executive team?
    The executive team of St. John's Health includes leaders such as Jeffrey Sollis (Chief Executive Officer), Mitchell Watson (Chief Financial Officer), John Mentgen (Chief Operating Officer) and other senior executives.
    How many executives does St. John's Health have?
    St. John's Health has 8 executives leading key business areas.
    What roles are included in St. John's Health’s leadership team?
    The leadership team of St. John's Health includes roles such as Chief Executive Officer, Chief Financial Officer, Chief Operating Officer, President/Chief Operating Officer, Chief of Staff.