Banner Health Executive and Leadership Team

Sarah Witt, the Chief Executive Officer at Banner Health, directs the overarching strategic vision for this nonprofit healthcare system. Witt manages the integration of academic medical centers and hospital networks to ensure consistent clinical quality across all facilities. By aligning organizational goals with patient care standards, the Chief Executive Officer drives operational efficiency and long-term growth. Sarah Witt maintains close collaboration with the Board to address complex healthcare challenges and expand service accessibility. This leadership role involves fostering a culture of innovation while maintaining fiscal responsibility across the entire enterprise. Through rigorous oversight of clinical programs, the Chief Executive Officer secures the organization's position as a leader in preventive healthcare and specialized medical treatments. Witt consistently evaluates market trends to adapt service delivery models, ensuring the system meets evolving community needs while upholding the highest standards of medical excellence.

Darren McCollem, the Chief Executive Officer, Banner Gateway Medical Center, Banner Ironwood Medical Center & Banner Goldfield Medical Center at Banner Health, directs operations across these three critical facilities. McCollem oversees the delivery of emergency care and specialized medical services, ensuring that each center meets rigorous clinical standards. By managing local staff and resources, the Chief Executive Officer, Banner Gateway Medical Center, Banner Ironwood Medical Center & Banner Goldfield Medical Center optimizes patient throughput and service quality. Darren McCollem coordinates with regional leadership to implement system-wide initiatives that improve community health outcomes. This role involves balancing the unique operational needs of each center while maintaining a unified approach to patient-centered care. Through strategic oversight, McCollem drives performance improvements and fosters a culture of safety. The Chief Executive Officer, Banner Gateway Medical Center, Banner Ironwood Medical Center & Banner Goldfield Medical Center ensures that these facilities remain vital components of the broader healthcare network.

Ralph Parker, the Chief Executive Officer & Chief Nursing Officer, Page Hospital at Banner Health, leads both the administrative and clinical nursing functions at this specific facility. Parker manages the delivery of essential medical services, ensuring that nursing standards align with the system's broader commitment to patient care. By overseeing the nursing staff and hospital operations, the Chief Executive Officer & Chief Nursing Officer, Page Hospital drives improvements in clinical outcomes and patient satisfaction. Ralph Parker coordinates with medical teams to implement evidence-based practices and maintain high safety standards. This dual-focused role involves managing facility resources to support emergency care and preventive programs. Through direct engagement with clinical staff, Parker fosters a collaborative environment that prioritizes patient well-being. The Chief Executive Officer & Chief Nursing Officer, Page Hospital ensures that the facility effectively serves the local community while adhering to the high-quality benchmarks established by the larger healthcare organization.

Laura Robertson, the Chief Executive Officer, Banner Ocotillo Medical Center Campus at Banner Health, leads the operational and strategic direction of this specific medical campus. Robertson manages the delivery of specialized medical services, ensuring that the facility maintains high standards of patient care and clinical quality. By overseeing local operations, the Chief Executive Officer, Banner Ocotillo Medical Center Campus optimizes resource allocation and staff performance to meet community health needs. Laura Robertson coordinates with system-wide leadership to implement initiatives that enhance service accessibility and operational efficiency. This role involves managing the facility's growth and ensuring that all medical programs align with the organization's broader mission. Through effective leadership, Robertson fosters a culture of safety and excellence within the campus. The Chief Executive Officer, Banner Ocotillo Medical Center Campus ensures that the facility remains a key provider of high-quality healthcare, contributing to the overall success and reputation of the entire nonprofit system.

Cussins James, the Chief Financial Officer at Banner Health, manages the fiscal health and capital allocation strategies for the entire nonprofit network. James oversees complex budgeting processes, revenue cycle management, and long-term financial planning to support the expansion of hospital facilities. By analyzing economic data, the Chief Financial Officer ensures the organization maintains the necessary resources to provide high-quality emergency care and specialized treatments. Cussins James coordinates with other executive leaders to optimize operational costs without compromising patient outcomes. This role involves monitoring financial performance across multiple states to guarantee sustainable growth and investment in medical technology. Through disciplined financial stewardship, James strengthens the system's ability to serve diverse community needs. The Chief Financial Officer continuously evaluates investment opportunities, ensuring that every dollar supports the core mission of delivering superior healthcare services while maintaining robust financial stability for the future.

Clifford Loader, the Interim Chief Financial Officer, Market (Tucson) at Banner Health, manages the financial operations and fiscal strategy for the Tucson market. Loader oversees regional budgeting, revenue cycle performance, and financial reporting to ensure the sustainability of local medical facilities. By analyzing market-specific economic data, the Interim Chief Financial Officer, Market (Tucson) identifies opportunities to optimize costs and improve financial outcomes. Clifford Loader coordinates with regional leadership to align local financial goals with the system's overall strategic objectives. This role involves monitoring the financial health of hospitals in the area and ensuring that resources are allocated effectively to support patient care. Through disciplined financial management, Loader strengthens the organization's presence in the region. The Interim Chief Financial Officer, Market (Tucson) provides critical oversight, ensuring that the Tucson market maintains the financial stability necessary to deliver high-quality healthcare services while supporting the broader mission of the nonprofit system.

Lana Benson, the Associate Chief Operating Officer at Banner Health, supports the execution of operational strategies across the hospital network. Benson manages day-to-day administrative functions, focusing on process optimization and resource efficiency within clinical departments. By analyzing operational data, the Associate Chief Operating Officer identifies opportunities to improve service delivery and patient flow. Lana Benson collaborates with facility leaders to ensure that hospital operations align with the organization's mission of providing high-quality care. This role involves overseeing cross-functional teams to implement system-wide improvements and maintain compliance with healthcare regulations. Through proactive management, Benson enhances the effectiveness of medical services and supports the overall growth of the system. The Associate Chief Operating Officer maintains a focus on operational excellence, ensuring that all facilities operate smoothly to meet the diverse needs of the communities served by the organization while supporting long-term strategic goals.

Darrell Wadas, the Chief of Staff at Banner Health, coordinates executive operations and facilitates communication across the leadership team. Wadas manages high-priority initiatives, ensuring that strategic objectives align with the organization's commitment to clinical quality. By streamlining internal processes, the Chief of Staff enhances the efficiency of hospital operations and administrative functions. Darrell Wadas acts as a primary liaison between the executive office and various departments, fostering collaboration to address critical healthcare challenges. This role involves overseeing project timelines and resource allocation to support the system's mission of providing comprehensive medical services. Through effective management of organizational workflows, Wadas ensures that leadership decisions translate into actionable improvements in patient care. The Chief of Staff maintains a focus on operational excellence, enabling the system to navigate complex regulatory environments while maintaining a high standard of service across all medical facilities and academic centers.

Subrina Sharp, the Chief of Staff & Program Director, Academics (Strategic Alignment ) at Banner Health, manages the integration of academic programs with the system's clinical operations. Sharp oversees the strategic alignment of educational initiatives, ensuring that academic medical centers contribute effectively to the organization's mission. By coordinating with medical faculty and hospital leadership, the Chief of Staff & Program Director, Academics (Strategic Alignment ) fosters an environment of continuous learning and clinical innovation. Subrina Sharp directs the development of training programs that support the next generation of healthcare professionals while enhancing current service delivery. This role involves managing complex partnerships and ensuring that academic research translates into improved patient care. Through rigorous oversight, Sharp ensures that the academic mission remains central to the system's success. The Chief of Staff & Program Director, Academics (Strategic Alignment ) drives initiatives that bridge the gap between research and practical application in clinical settings.

Michael Reagin, the Executive Vice President & Chief Technology Officer at Banner Health, directs the digital transformation and technological infrastructure of the entire healthcare system. Reagin manages the implementation of advanced health information systems, cybersecurity protocols, and data analytics platforms to support clinical decision-making. By overseeing the technology roadmap, the Executive Vice President & Chief Technology Officer ensures that all hospitals and medical centers utilize modern tools to improve patient outcomes. Michael Reagin collaborates with other C-suite leaders to integrate digital solutions that enhance operational efficiency and patient engagement. This role involves managing large-scale IT projects and ensuring the security of sensitive medical data across the network. Through strategic investment in technology, Reagin drives innovation in service delivery and supports the organization's commitment to clinical excellence. The Executive Vice President & Chief Technology Officer maintains a focus on scalable infrastructure, enabling the system to adapt to the rapidly evolving digital landscape of modern healthcare.