St. John's Health Executive and Leadership Team

July, 2026

Leadership Overview

St. John's Health has 9 executives leading key functions including strategy, operations, finance, medical affairs, human resources, communications, and administration.

Driven by clinical excellence, St. John's Health is dedicated to providing individualized care and fostering community wellness across Teton County, WY, and the surrounding region, operating a five-star senior living community.

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
  • President - Matt Adams
  • Chief of Staff - Marcia Lux
  • Chief Human Resources Officer - Thomas Kinney
  • Chief Medical Officer - Timothy Hepner
  • Chief Communications Officer - Karen Connelly
  • Jeffrey Sollis - Chief Executive Officer

    Jeffrey Sollis, the Chief Executive Officer at St. John's Health, directs the overall strategic vision and operational execution for the community health system serving Teton County, WY, and its surrounding areas. Sollis guides the organization's commitment to clinical excellence, ensuring that individualized care and community wellness remain central to all initiatives. This leadership role involves overseeing the broad range of high-quality inpatient and outpatient services offered, as well as the operations of a five-star senior living community. Jeffrey Sollis drives the integration of innovative healthcare practices with the unique needs of the local population, solidifying St. John's Health's reputation as a top hospital recognized by Newsweek. The Chief Executive Officer ensures alignment with the organization's mission to deliver exceptional healthcare outcomes and foster long-term community well-being across the region.
    Jeffrey Sollis

    Mitchell Watson - Chief Financial Officer

    Mitchell Watson, the Chief Financial Officer at St. John's Health, directs the financial strategy and fiscal management for the community health system serving Teton County, WY, and the surrounding region. Watson oversees all financial operations, including budgeting, revenue cycle management, and financial planning, ensuring the long-term sustainability of St. John's Health's commitment to clinical excellence and community wellness. This critical role involves managing the financial health of both the inpatient/outpatient services and the five-star senior living community. Mitchell Watson ensures robust financial controls and reporting, providing the necessary resources to support innovative healthcare delivery and maintain the organization's status as a top hospital. The Chief Financial Officer's expertise is vital for strategic growth and operational efficiency across all aspects of the health system.
    Mitchell Watson

    John Mentgen - Chief Operating Officer

    John Mentgen, the Chief Operating Officer at St. John's Health, oversees the day-to-day operational functions of the health system, ensuring the efficient delivery of high-quality inpatient and outpatient care across Teton County, WY. Mentgen directs the operational strategies that support clinical excellence and individualized patient experiences, aligning with the organization's mission of community wellness. This leadership position involves managing the complex logistics of healthcare services, optimizing resource allocation, and driving process improvements to enhance patient outcomes. John Mentgen is instrumental in maintaining the operational integrity of the five-star senior living community and ensuring that all facilities function at peak performance. The Chief Operating Officer's focus remains on enhancing operational effectiveness to meet the evolving healthcare needs of the region.

    Michael Moore - President/Chief Operating Officer

    Michael Moore, the President/Chief Operating Officer at St. John's Health, drives the operational execution and strategic implementation across the health system serving Teton County, WY, and the broader region. Moore's dual role emphasizes a comprehensive approach to managing the delivery of high-quality inpatient and outpatient care, reinforcing the organization's dedication to clinical excellence and community wellness. This leadership position involves overseeing the integration of services, optimizing resource utilization, and ensuring that operational strategies directly support patient-centered care and the success of the five-star senior living community. Michael Moore's focus is on enhancing operational efficiency and effectiveness to meet the healthcare needs of the community. The President/Chief Operating Officer ensures seamless coordination of all operational facets, contributing significantly to the health system's mission.

    Matt Adams - President

    Matt Adams, the President at St. John's Health, leads key strategic initiatives and operational oversight for the health system serving Teton County, WY, and the surrounding region. Adams focuses on advancing the organization's mission of clinical excellence and community wellness, ensuring the effective delivery of comprehensive inpatient and outpatient care. This leadership role involves driving strategic partnerships and fostering an environment that supports individualized patient experiences. Matt Adams contributes to the overall success and growth of St. John's Health, including the operations of its five-star senior living community. The President's leadership is integral to maintaining the high standards of care and service that define the health system within the region.

    Marcia Lux - Chief of Staff

    Marcia Lux, the Chief of Staff at St. John's Health, provides critical support and strategic counsel to the Chief Executive Officer, ensuring seamless execution of organizational priorities. Lux manages key initiatives and facilitates communication across various departments, enhancing operational efficiency and strategic alignment within the Teton County health system. This role involves coordinating high-level projects and ensuring that the leadership team's directives are effectively translated into actionable plans. Marcia Lux plays a vital part in optimizing the delivery of inpatient and outpatient care, contributing to the system's focus on clinical excellence and individualized patient experiences. The Chief of Staff supports the overall mission of community wellness and the operation of the five-star senior living community, reinforcing St. John's Health's commitment to the region.

    Thomas Kinney - Chief Human Resources Officer

    Thomas Kinney, the Chief Human Resources Officer at St. John's Health, leads the strategic development and execution of human capital initiatives for the health system serving Teton County, WY, and its surrounding areas. Kinney is responsible for attracting, developing, and retaining a high-caliber workforce dedicated to clinical excellence and individualized care. This role encompasses talent management, compensation and benefits, employee relations, and fostering a positive organizational culture that supports community wellness. Thomas Kinney ensures that St. John's Health has the skilled personnel necessary to operate its comprehensive inpatient and outpatient services and its five-star senior living community effectively. The Chief Human Resources Officer's efforts are crucial in building and sustaining a team committed to the organization's mission and values.

    Timothy Hepner - Chief Medical Officer

    Timothy Hepner, the Chief Medical Officer at St. John's Health, provides clinical leadership and strategic direction for the health system serving Teton County, WY, and the surrounding region. Hepner champions clinical excellence, ensuring the highest standards of patient care across all inpatient and outpatient services, and guiding the medical staff in delivering individualized care. This vital role involves overseeing medical staff credentialing, quality improvement initiatives, and the implementation of evidence-based medical practices. Timothy Hepner plays a key part in advancing the organization's commitment to community wellness and supporting the medical aspects of the five-star senior living community. The Chief Medical Officer's expertise is essential for maintaining the quality and safety of healthcare services provided by St. John's Health.

    Karen Connelly - Chief Communications Officer

    Karen Connelly, the Chief Communications Officer at St. John's Health, directs the strategic communication efforts for the health system serving Teton County, WY, and the surrounding region. Connelly is responsible for shaping and disseminating the organization's message, enhancing its reputation for clinical excellence and community wellness. This role involves managing public relations, internal communications, and brand management to effectively convey the mission of St. John's Health. Karen Connelly ensures clear and consistent communication regarding the organization's comprehensive inpatient and outpatient services, as well as its five-star senior living community. The Chief Communications Officer plays a crucial role in building strong relationships with stakeholders and the public, reinforcing the health system's commitment to transparency and engagement.
    Karen Connelly

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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 9 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, President.