Peterson Health Executive and Leadership Team

May, 2026

Leadership Overview

Peterson Health has 5 executives leading key functions including strategy, operations, finance, medical affairs, and regional leadership.

Driven by a commitment to community well-being, Peterson Health operates as an independent, not-for-profit healthcare facility, providing comprehensive ambulatory care, outpatient surgery, imaging, laboratory, rehabilitation, and wound healing services.

Leadership Roles at Peterson Health

  • President & Chief Executive Officer - John McDonald
  • Chief Financial Officer - Robert Walther
  • Chief Operating Officer - Joseph Piszczor
  • President - James Murray
  • Chief Medical Officer - Christopher Glanton
  • John McDonald - President & Chief Executive Officer

    John McDonald, the President & Chief Executive Officer at Peterson Health, directs the overarching strategy and executive leadership for the independent, not-for-profit healthcare facility. McDonald's leadership guides the organization's mission to provide comprehensive medical services, including an ambulatory care center with outpatient surgery, imaging, laboratory, and rehabilitation services, alongside a regional wound healing center. This executive role involves setting the strategic vision for growth and operational excellence across all departments. McDonald ensures alignment with the company's core values and its commitment to serving the Kerrville, Texas community. The President & Chief Executive Officer oversees the integration of clinical services with administrative functions, driving efficiency and patient care standards. John McDonald's strategic direction is crucial for maintaining the facility's independent status and its impact on regional healthcare.

    Robert Walther - Chief Financial Officer

    Robert Walther, the Chief Financial Officer at Peterson Health, directs all financial planning, management, and reporting for the independent healthcare facility. Walther oversees budgeting, financial analysis, and capital management to ensure the organization's fiscal health and sustainability. This executive position is vital for maintaining the not-for-profit status and supporting the expansion of services, including the ambulatory care center and wound healing center. The Chief Financial Officer works to secure financial resources and manage investments effectively. Robert Walther's expertise is essential for navigating the complex financial landscape of healthcare and ensuring the long-term viability of Peterson Health's operations in Kerrville, Texas. Walther's financial oversight supports strategic initiatives and operational efficiency.

    Joseph Piszczor - Chief Operating Officer

    Joseph Piszczor, the Chief Operating Officer at Peterson Health, manages the day-to-day operational execution of the healthcare facility. Piszczor oversees the seamless functioning of the ambulatory care center, ensuring efficient delivery of services such as outpatient surgery, imaging, laboratory, and rehabilitation. This role is critical for optimizing resource allocation and operational workflows across the campus. The Chief Operating Officer works closely with clinical and administrative teams to enhance patient throughput and service quality. Piszczor's responsibilities include implementing operational improvements that support the company's not-for-profit mission and its commitment to the Kerrville, Texas community. Joseph Piszczor drives operational excellence, ensuring that all departments function cohesively to meet patient needs and maintain high standards of care.

    James Murray - President

    James Murray, the President at Peterson Health, provides executive leadership and strategic direction for the regional healthcare operations. Murray's role focuses on advancing the facility's mission and expanding its reach within the Kerrville, Texas community and surrounding areas. This leadership position involves overseeing key initiatives that support the ambulatory care center, outpatient surgery, and specialized services like the wound healing center. The President works to foster strong relationships with stakeholders, including medical staff, patients, and community partners. James Murray's strategic vision is instrumental in driving the organization's growth and ensuring its continued success as an independent, not-for-profit healthcare provider. Murray champions initiatives that enhance patient access and service delivery.

    Christopher Glanton - Chief Medical Officer

    Christopher Glanton, the Chief Medical Officer at Peterson Health, leads the clinical strategy and medical affairs for the healthcare facility. Glanton ensures the highest standards of patient care and clinical excellence across all services, including outpatient surgery, imaging, and the regional wound healing center. This role involves collaborating with physicians and clinical staff to implement best practices and advance medical protocols. The Chief Medical Officer plays a key part in quality improvement initiatives and patient safety programs. Christopher Glanton's medical leadership guides the integration of clinical operations with the organization's not-for-profit mission. Glanton's focus is on enhancing patient outcomes and the overall quality of medical services provided by Peterson Health.

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    Frequently Asked Questions Regarding Peterson Health Top Executives and Leadership Team

    Who leads Peterson Health?
    Peterson Health is led by John McDonald (President & Chief Executive Officer), along with executives such as Robert Walther (Chief Financial Officer) and Joseph Piszczor (Chief Operating Officer).
    Who is part of Peterson Health’s executive team?
    The executive team of Peterson Health includes leaders such as John McDonald (President & Chief Executive Officer), Robert Walther (Chief Financial Officer), Joseph Piszczor (Chief Operating Officer) and other senior executives.
    How many executives does Peterson Health have?
    Peterson Health has 5 executives leading key business areas.
    What roles are included in Peterson Health’s leadership team?
    The leadership team of Peterson Health includes roles such as President & Chief Executive Officer, Chief Financial Officer, Chief Operating Officer, President, Chief Medical Officer.