Williamson Health Executive and Leadership Team

Phillip Mazzuca, the Chief Executive Officer at Williamson Health, directs the overarching strategic vision for the entire regional healthcare system. Overseeing the historic $200 million expansion of the flagship hospital, the Chief Executive Officer ensures that infrastructure growth aligns with the evolving medical needs of the community. Mazzuca manages high-level partnerships with Vanderbilt Health to integrate specialized pediatric and walk-in services into the local network. By coordinating with the Board and executive leadership, the Chief Executive Officer maintains operational excellence across 30 locations and 2,000 employees. Phillip Mazzuca drives the long-term financial and clinical sustainability of the organization, ensuring that all facilities provide exceptional care close to home. Through rigorous oversight of the system-wide expansion, Mazzuca secures the future of regional healthcare delivery for adult and pediatric patients throughout the county.

John Reynolds, the Chief Executive Officer, Bone and Joint Institute of Tennessee at Williamson Health, architects the specialized orthopedic service model for the regional network. Managing the clinical and operational workflows of the Bone and Joint Institute, the Chief Executive Officer, Bone and Joint Institute of Tennessee ensures that patients receive leading-edge musculoskeletal care. Reynolds coordinates with surgical teams to implement advanced orthopedic technologies that improve patient recovery times and outcomes. By aligning the institute with the broader goals of the health system, the Chief Executive Officer, Bone and Joint Institute of Tennessee optimizes resource allocation for outpatient imaging and surgical services. John Reynolds drives the growth of orthopedic service lines, ensuring that the institute remains a premier destination for joint health. Through strategic leadership, Reynolds maintains the high standards of care expected within the Williamson Health ecosystem.

Terry Fowler, the Interim Chief Financial Officer at Williamson Health, directs the fiscal strategy and financial health of the regional system. Managing the complex budget requirements for the $200 million hospital expansion, the Interim Chief Financial Officer ensures that capital investments remain aligned with long-term growth objectives. Fowler oversees revenue cycle management and financial reporting for all physician practices and joint venture clinics. By analyzing fiscal data, the Interim Chief Financial Officer identifies opportunities for cost efficiency and resource optimization across the organization. Terry Fowler drives the financial planning necessary to support the expansion of advanced surgical technologies and pediatric services. Through prudent fiscal management, Fowler secures the economic stability of the system, allowing the organization to continue investing in leading-edge medical equipment and high-quality patient care for the entire community.

Julie Miller, the Chief Operating Officer at Williamson Health, manages the day-to-day clinical and logistical operations across the 30-location network. Overseeing the integration of emergency medical services and rapid response units, the Chief Operating Officer ensures that the system maintains high readiness for urgent patient needs. Miller directs the operational efficiency of the flagship hospital, including the award-winning obstetrics and NICU departments. By optimizing staffing models and facility workflows, the Chief Operating Officer supports the delivery of state-of-the-art cardiology and surgical services. Julie Miller drives the implementation of operational improvements that enhance patient throughput and service quality. Through constant monitoring of system performance, Miller ensures that all facilities operate at peak capacity, providing reliable and accessible healthcare to the community while maintaining the rigorous standards required for modern medical environments.

Heather Rupe, the Chief of Staff at Williamson Health, facilitates executive communication and streamlines administrative processes across the entire healthcare system. Coordinating the daily operations of the leadership team, the Chief of Staff ensures that strategic initiatives move forward without friction. Rupe manages the flow of information between the executive office and various departments, including the Turner-Dugas Breast Health Center and physician practices. By organizing high-level meetings and tracking organizational milestones, the Chief of Staff supports the effective execution of the system-wide expansion project. Heather Rupe drives internal alignment, ensuring that all administrative functions support the broader mission of providing exceptional care. Through meticulous management of executive priorities, Rupe enables the leadership team to focus on clinical quality and patient safety, ultimately strengthening the operational foundation of the organization.

Andy Russell, the Chief Medical Officer at Williamson Health, leads the clinical quality and medical standards across the entire healthcare system. Overseeing the performance of over 860 physicians and advance care practitioners, the Chief Medical Officer ensures that all clinical practices meet the highest benchmarks for patient safety and efficacy. Russell coordinates with department heads to implement advanced surgical technologies and cardiology protocols. By fostering a culture of continuous improvement, the Chief Medical Officer drives the integration of evidence-based medicine into daily practice. Andy Russell manages the clinical collaboration with Vanderbilt Health, ensuring that specialized care remains accessible to local patients. Through rigorous oversight of medical staff and clinical outcomes, Russell maintains the reputation of the system as a leader in regional healthcare, ensuring that every patient receives exceptional, high-quality medical attention.