Banner Health Executive and Leadership Team

June, 2026

Leadership Overview

Banner Health has 10 executives leading key functions including strategy, operations, finance, and specialized research.

Driven by a commitment to clinical quality, Banner Health provides a comprehensive range of medical services, offering various medical specialties and healthcare programs to serve diverse community needs across multiple states.

Leadership Roles at Banner Health

  • Chief Executive Officer - John Scherpf
  • Chief Executive Officer, Banner Alzheimer’s Institute & Banner Sun Health Research Institute - Eric Reiman
  • Chief Executive Officer, Banner Boswell Medical Center & Banner Del Webb Medical Center - Stan Holm
  • Chief Financial Officer - Ana Barraza
  • Vice President and Division Chief Financial Officer - Banner Plans and Networks - Donna Sickler
  • Senior Director, Chief Financial Officer - Cheryl Castleberry
  • Chief Operating Officer - Jayleen Casano
  • Associate Chief Operating Officer - Joni Raneri
  • Chief of Staff - Roberto Hayes
  • Chief of Staff, BUMCS - Anil Potharaju
  • John Scherpf - Chief Executive Officer

    John Scherpf, the Chief Executive Officer at Banner Health, directs the overall strategic vision and operational execution for the entire healthcare system. Scherpf oversees the integration of clinical services, ensuring alignment with the organization's mission to provide high-quality patient care across its network of hospitals and facilities. This leadership role involves driving innovation in healthcare delivery and managing the complex financial landscape of a large nonprofit system. By focusing on operational efficiency and clinical excellence, John Scherpf ensures Banner Health effectively serves diverse community needs. The Chief Executive Officer's responsibilities extend to fostering strong relationships with stakeholders, including medical staff, community leaders, and regulatory bodies, thereby solidifying the organization's market position and commitment to patient well-being.

    Eric Reiman - Chief Executive Officer, Banner Alzheimer’s Institute & Banner Sun Health Research Institute

    Eric Reiman, the Chief Executive Officer, Banner Alzheimer’s Institute & Banner Sun Health Research Institute at Banner Health, leads pioneering research and clinical care initiatives focused on neurodegenerative diseases. Reiman directs efforts to advance the understanding, prevention, and treatment of Alzheimer's and related conditions, overseeing cutting-edge research programs and specialized patient care services. This executive position is central to Banner Health's commitment to offering advanced medical treatments and improving patient outcomes in critical health areas. By driving innovation in research and clinical practice, Eric Reiman contributes significantly to the organization's reputation for specialized healthcare and its mission to serve community needs. The leadership provided ensures these institutes remain at the forefront of medical discovery and patient support.
    Eric Reiman

    Stan Holm - Chief Executive Officer, Banner Boswell Medical Center & Banner Del Webb Medical Center

    Stan Holm, the Chief Executive Officer, Banner Boswell Medical Center & Banner Del Webb Medical Center at Banner Health, leads the strategic direction and operational management for these two key medical centers. Holm oversees the delivery of comprehensive medical services, ensuring high standards of clinical quality and patient care within both facilities. This leadership position is crucial for implementing Banner Health's mission in the specific communities served by these centers, focusing on specialized treatments and preventive healthcare programs. By driving operational excellence and fostering a culture of patient-centered care, Stan Holm ensures these medical centers effectively meet diverse community needs. The Chief Executive Officer's responsibilities include managing resources, enhancing service lines, and maintaining strong relationships with staff and patients.

    Ana Barraza - Chief Financial Officer

    Ana Barraza, the Chief Financial Officer at Banner Health, directs the financial strategy and management for the entire nonprofit healthcare system. Barraza oversees all financial operations, including budgeting, financial planning, revenue cycle management, and investment strategies, ensuring the organization's fiscal health and sustainability. This critical role supports Banner Health's ability to provide comprehensive medical services and invest in advanced treatments and preventive healthcare programs. By maintaining strong financial controls and identifying opportunities for cost optimization, Ana Barraza enables the system to expand its reach and enhance clinical quality. The Chief Financial Officer's leadership is essential for navigating the complex financial landscape of healthcare and ensuring resources are effectively allocated to meet community needs.

    Donna Sickler - Vice President and Division Chief Financial Officer - Banner Plans and Networks

    Donna Sickler, the Vice President and Division Chief Financial Officer - Banner Plans and Networks at Banner Health, directs the financial strategy and management for the organization's health plans and network operations. Sickler oversees financial planning, budgeting, and revenue cycle management specifically for these crucial divisions, ensuring their fiscal stability and growth. This executive role is integral to Banner Health's ability to offer comprehensive insurance solutions and manage its provider networks effectively, supporting the delivery of accessible medical services. By optimizing financial performance within these divisions, Donna Sickler contributes to the overall financial health of the system and its capacity to invest in patient care. The Vice President and Division Chief Financial Officer's expertise ensures sound financial stewardship for Banner's plans and networks.

    Cheryl Castleberry - Senior Director, Chief Financial Officer

    Cheryl Castleberry, the Senior Director, Chief Financial Officer at Banner Health, provides critical financial oversight and strategic planning support within the finance division. Castleberry contributes to the management of financial operations, ensuring fiscal responsibility and supporting the organization's overall financial health. This role involves assisting in the development and implementation of financial policies and procedures that align with Banner Health's mission to deliver quality healthcare services. By focusing on financial analysis and reporting, Cheryl Castleberry aids in optimizing resource allocation and supporting the delivery of comprehensive medical services. The Senior Director, Chief Financial Officer's contributions are vital for maintaining the financial integrity of the system and enabling its continued service to diverse community needs.

    Jayleen Casano - Chief Operating Officer

    Jayleen Casano, the Chief Operating Officer at Banner Health, manages the day-to-day operations of the extensive healthcare network, encompassing hospitals, academic medical centers, and various healthcare facilities. Casano focuses on optimizing patient care delivery, enhancing operational efficiency, and ensuring the seamless functioning of all medical services, from emergency care to specialized treatments. This executive role involves implementing strategic initiatives to improve clinical quality and patient outcomes across all operational sites. By overseeing resource allocation and process improvement, Jayleen Casano directly supports the organization's commitment to preventive healthcare and specialized medical programs. The Chief Operating Officer's leadership ensures that Banner Health maintains its reputation for delivering comprehensive and accessible healthcare solutions to the communities it serves.

    Joni Raneri - Associate Chief Operating Officer

    Joni Raneri, the Associate Chief Operating Officer at Banner Health, supports the Chief Operating Officer in managing the extensive operational activities across the healthcare system. Raneri focuses on implementing operational improvements, enhancing patient care delivery, and ensuring the efficient functioning of healthcare facilities. This role involves contributing to strategic planning and execution, with a particular emphasis on optimizing resource utilization and streamlining workflows to support clinical quality. By assisting in the oversight of daily operations, Joni Raneri plays a vital part in Banner Health's commitment to providing comprehensive medical services and preventive healthcare programs. The Associate Chief Operating Officer's efforts directly contribute to the system's ability to meet diverse community needs effectively.

    Roberto Hayes - Chief of Staff

    Roberto Hayes, the Chief of Staff at Banner Health, provides critical support to executive leadership, facilitating strategic initiatives and ensuring effective communication across the organization. Hayes manages key projects and operational workflows, acting as a central point of coordination for high-priority organizational objectives. This role involves streamlining processes and enhancing the efficiency of executive decision-making, directly contributing to the system's commitment to clinical quality and patient care. By bridging communication gaps and driving project execution, Roberto Hayes ensures that strategic plans are translated into tangible operational improvements. The Chief of Staff's influence extends to supporting the implementation of new healthcare programs and ensuring the smooth operation of specialized treatments across Banner Health's diverse facilities.

    Anil Potharaju - Chief of Staff, BUMCS

    Anil Potharaju, the Chief of Staff, BUMCS at Banner Health, provides strategic and operational leadership within the Banner University Medical Center Phoenix (BUMCS) setting. Potharaju supports the executive team in driving key initiatives, enhancing operational efficiency, and ensuring the delivery of high-quality patient care within this specific medical center. This role involves coordinating cross-functional efforts to improve clinical services, patient safety, and overall operational performance. By facilitating communication and project management, Anil Potharaju ensures that BUMCS effectively implements organizational strategies and meets its healthcare delivery objectives. The Chief of Staff's focus is on optimizing the medical center's operations to better serve patient needs and uphold Banner Health's commitment to excellence.

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    Frequently Asked Questions Regarding Banner Health Top Executives and Leadership Team

    Who leads Banner Health?
    Banner Health is led by John Scherpf (Chief Executive Officer), along with executives such as Eric Reiman (Chief Executive Officer, Banner Alzheimer’s Institute & Banner Sun Health Research Institute) and Stan Holm (Chief Executive Officer, Banner Boswell Medical Center & Banner Del Webb Medical Center).
    Who is part of Banner Health’s executive team?
    The executive team of Banner Health includes leaders such as John Scherpf (Chief Executive Officer), Eric Reiman (Chief Executive Officer, Banner Alzheimer’s Institute & Banner Sun Health Research Institute), Stan Holm (Chief Executive Officer, Banner Boswell Medical Center & Banner Del Webb Medical Center) and other senior executives.
    How many executives does Banner Health have?
    Banner Health has 10 executives leading key business areas.
    What roles are included in Banner Health’s leadership team?
    The leadership team of Banner Health includes roles such as Chief Executive Officer, Chief Executive Officer, Banner Alzheimer’s Institute & Banner Sun Health Research Institute, Chief Executive Officer, Banner Boswell Medical Center & Banner Del Webb Medical Center, Chief Financial Officer, Vice President and Division Chief Financial Officer - Banner Plans and Networks.