INTEGRIS Health Executive and Leadership Team

July, 2026

Leadership Overview

INTEGRIS Health has 10 executives leading key functions including strategy, operations, finance, and technology.

Driven by a commitment to community well-being, INTEGRIS Health operates as a vital non-profit healthcare system, delivering comprehensive medical services across Oklahoma through its network of hospitals and clinics.

Leadership Roles at INTEGRIS Health

  • Chief Executive Officer - Gary Zook
  • President & Chief Executive Officer - Timothy Pehrson
  • Chief Financial Officer - Wentz Miller
  • Senior VP & Chief Financial Officer - Michael Weed
  • Chief Financial Officer & Vice President - Dale Maddox
  • Senior Vice President and Chief Operating Officer INTEGRIS Health - Brent Hubbard
  • Senior Vice President and Chief Operating Officer - Mindy Eggleston
  • Chief Operating Officer, Baptist Medical Center - Tyler Hood
  • Executive Vice President & Chief Operating Officer - Chris Hammes
  • Chief Technology Officer - Thomas McQuillan
  • Gary Zook - Chief Executive Officer

    Gary Zook, the Chief Executive Officer at INTEGRIS Health, directs the overarching strategy and operational framework for the entire healthcare system. Zook's leadership ensures alignment with the organization's mission to provide comprehensive, community-focused healthcare across Oklahoma. This executive role involves guiding the system's growth and ensuring financial sustainability while maintaining the highest standards of patient care. The Chief Executive Officer's purview extends to fostering innovation within the medical field and adapting to evolving healthcare landscapes. Zook's strategic vision shapes the direction of INTEGRIS Health's hospitals, specialty clinics, and family care practices, solidifying its position as a leading non-profit healthcare provider. The Chief Executive Officer's responsibilities include cultivating strong relationships with stakeholders and driving initiatives that enhance patient outcomes and operational efficiency throughout the extensive network.
    Gary Zook

    Timothy Pehrson - President & Chief Executive Officer

    Timothy Pehrson, the President & Chief Executive Officer at INTEGRIS Health, spearheads the strategic direction and executive leadership of the non-profit healthcare system. Pehrson's role encompasses driving operational excellence and ensuring the delivery of high-quality patient care across all INTEGRIS Health facilities throughout Oklahoma. This critical position involves overseeing the integration of services and fostering a culture of innovation and continuous improvement. The President & Chief Executive Officer's responsibilities extend to managing key relationships with community leaders, medical professionals, and governing bodies to advance the organization's mission. By championing strategic initiatives, Timothy Pehrson ensures the long-term viability and growth of INTEGRIS Health's extensive network of hospitals and clinics, reinforcing its commitment to serving the health needs of the region.
    Timothy Pehrson

    Wentz Miller - Chief Financial Officer

    Wentz Miller, the Chief Financial Officer at INTEGRIS Health, directs the financial strategy and fiscal management of the non-profit healthcare system. Miller's oversight ensures the financial health and sustainability of INTEGRIS Health's extensive network of hospitals, clinics, and practices across Oklahoma. This executive role involves managing budgets, financial planning, revenue cycle management, and capital allocation to support the organization's growth and operational needs. The Chief Financial Officer's responsibilities are vital for maintaining the integrity of financial reporting and ensuring compliance with all regulatory requirements. By providing strategic financial guidance, Wentz Miller supports the delivery of high-quality patient care and the continued expansion of services offered by INTEGRIS Health.

    Michael Weed - Senior VP & Chief Financial Officer

    Michael Weed, the Senior VP & Chief Financial Officer at INTEGRIS Health, provides strategic financial leadership and oversight for the healthcare system. Weed's role is instrumental in managing the financial health and long-term sustainability of INTEGRIS Health's extensive network across Oklahoma. This executive function involves directing financial planning, budgeting, revenue cycle management, and investment strategies to support organizational growth and operational objectives. The Senior VP & Chief Financial Officer's responsibilities ensure fiscal discipline and compliance, safeguarding the organization's resources. Michael Weed's financial acumen is critical for enabling INTEGRIS Health to continue its mission of delivering high-quality, accessible healthcare services to the communities it serves.

    Dale Maddox - Chief Financial Officer & Vice President

    Dale Maddox, the Chief Financial Officer & Vice President at INTEGRIS Health, directs the financial operations and fiscal strategy for the healthcare system. Maddox's leadership ensures the financial integrity and operational efficiency of INTEGRIS Health's hospitals and clinics throughout Oklahoma. This executive role involves comprehensive financial planning, budget management, and the optimization of revenue streams to support the organization's mission. The Chief Financial Officer & Vice President's responsibilities are vital for maintaining financial stability and enabling strategic growth initiatives. Dale Maddox's financial stewardship is critical in supporting the delivery of quality healthcare services and advancing the overall objectives of INTEGRIS Health.
    Dale Maddox

    Brent Hubbard - Senior Vice President and Chief Operating Officer INTEGRIS Health

    Brent Hubbard, the Senior Vice President and Chief Operating Officer INTEGRIS Health at INTEGRIS Health, oversees the day-to-day operational execution across the healthcare system's diverse facilities. Hubbard's leadership focuses on optimizing operational efficiency, enhancing patient throughput, and ensuring the seamless delivery of medical services throughout Oklahoma. This executive position involves managing the operational integration of hospitals, specialty clinics, and family care practices, driving performance improvements across all sites. The Senior Vice President and Chief Operating Officer INTEGRIS Health's responsibilities include implementing best practices in healthcare management and fostering a culture of operational excellence. Brent Hubbard plays a key role in ensuring that INTEGRIS Health can effectively meet the evolving healthcare needs of the communities it serves through robust operational strategies.

    Mindy Eggleston - Senior Vice President and Chief Operating Officer

    Mindy Eggleston, the Senior Vice President and Chief Operating Officer at INTEGRIS Health, directs operational strategies to enhance patient care delivery and system efficiency. Eggleston's focus is on optimizing the performance of INTEGRIS Health's hospitals and clinics, ensuring high standards of service across Oklahoma. This executive role involves leading initiatives to improve patient flow, resource utilization, and overall operational effectiveness. The Senior Vice President and Chief Operating Officer's responsibilities are critical for supporting the organization's mission of providing accessible and quality healthcare. Mindy Eggleston drives operational improvements that contribute directly to the patient experience and the financial stability of the healthcare system, reinforcing INTEGRIS Health's commitment to community well-being.

    Tyler Hood - Chief Operating Officer, Baptist Medical Center

    Tyler Hood, the Chief Operating Officer, Baptist Medical Center at INTEGRIS Health, manages the comprehensive operational functions of the Baptist Medical Center. Hood's leadership ensures the efficient delivery of patient care and the effective management of resources within this key facility. This executive role involves overseeing departmental operations, implementing strategic initiatives, and driving performance improvements to meet the healthcare needs of the surrounding community. The Chief Operating Officer, Baptist Medical Center's responsibilities are crucial for maintaining high standards of clinical excellence and patient satisfaction. Tyler Hood's operational oversight contributes significantly to the overall success and mission fulfillment of INTEGRIS Health's presence in Oklahoma.

    Chris Hammes - Executive Vice President & Chief Operating Officer

    Chris Hammes, the Executive Vice President & Chief Operating Officer at INTEGRIS Health, drives operational excellence and strategic execution across the healthcare system. Hammes' leadership focuses on optimizing the performance of INTEGRIS Health's facilities, ensuring efficient patient care delivery and resource management throughout Oklahoma. This executive role involves overseeing key operational initiatives, implementing process improvements, and fostering a culture of accountability. The Executive Vice President & Chief Operating Officer's responsibilities are essential for supporting the organization's commitment to providing comprehensive and accessible healthcare services. Chris Hammes plays a pivotal role in enhancing operational effectiveness, contributing directly to the mission and success of INTEGRIS Health.

    Thomas McQuillan - Chief Technology Officer

    Thomas McQuillan, the Chief Technology Officer at INTEGRIS Health, architects and executes the technology strategy that underpins the healthcare system's operations. McQuillan's leadership drives the adoption of innovative digital solutions to enhance patient care, streamline administrative processes, and ensure robust data security across all INTEGRIS Health facilities. This executive function involves overseeing the development and implementation of IT infrastructure, electronic health records, and telehealth platforms. The Chief Technology Officer's responsibilities are crucial for maintaining operational efficiency and supporting the organization's mission of delivering accessible healthcare throughout Oklahoma. By focusing on technological advancement, Thomas McQuillan ensures INTEGRIS Health remains at the forefront of healthcare innovation, improving both patient experiences and clinical outcomes.

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    Frequently Asked Questions Regarding INTEGRIS Health Top Executives and Leadership Team

    Who leads INTEGRIS Health?
    INTEGRIS Health is led by Gary Zook (Chief Executive Officer), along with executives such as Timothy Pehrson (President & Chief Executive Officer) and Wentz Miller (Chief Financial Officer).
    Who is part of INTEGRIS Health’s executive team?
    The executive team of INTEGRIS Health includes leaders such as Gary Zook (Chief Executive Officer), Timothy Pehrson (President & Chief Executive Officer), Wentz Miller (Chief Financial Officer) and other senior executives.
    How many executives does INTEGRIS Health have?
    INTEGRIS Health has 10 executives leading key business areas.
    What roles are included in INTEGRIS Health’s leadership team?
    The leadership team of INTEGRIS Health includes roles such as Chief Executive Officer, President & Chief Executive Officer, Chief Financial Officer, Senior VP & Chief Financial Officer, Chief Financial Officer & Vice President.