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. Mazzuca manages the historic $200 million expansion project at the flagship hospital, ensuring infrastructure growth aligns with long-term community health requirements. By coordinating across 30 locations and overseeing 2,000 employees, the Chief Executive Officer maintains operational excellence in emergency services, cardiology, and surgical departments. This leadership role involves constant collaboration with the Board to secure financial sustainability while expanding access to specialized care. Phillip Mazzuca drives the integration of advanced medical technologies to improve patient outcomes across the county. Through rigorous oversight of physician practices and joint venture clinics, the Chief Executive Officer guarantees that the system remains a premier provider of high-quality, accessible healthcare for all adult and pediatric patients within the region.

John Reynolds, the Chief Executive Officer, Bone and Joint Institute of Tennessee at Williamson Health, manages the specialized orthopedic and musculoskeletal service lines. Reynolds architects the operational framework for the institute, ensuring that patients receive leading-edge surgical and rehabilitative care. By aligning orthopedic service delivery with the broader mission of the health system, the Chief Executive Officer, Bone and Joint Institute of Tennessee optimizes clinical workflows and patient throughput. This role requires close coordination with surgical teams and outpatient imaging departments to maintain high standards of care. John Reynolds drives growth initiatives for the institute, focusing on expanding access to advanced orthopedic treatments throughout the community. Through the implementation of efficient clinical protocols, the Chief Executive Officer, Bone and Joint Institute of Tennessee supports the overall goal of providing exceptional, specialized medical services close to home for all residents.

Terry Fowler, the Interim Chief Financial Officer at Williamson Health, oversees the fiscal health and long-term financial planning for the entire organization. Fowler manages capital allocation for the $200 million hospital expansion, ensuring that budgetary constraints support the successful completion of major infrastructure projects. By monitoring revenue cycles and operational expenses across all 30 locations, the Interim Chief Financial Officer maintains the financial stability necessary for continued growth. This role involves analyzing market trends to inform investment in new medical technologies and physician practices. Terry Fowler drives financial accountability, working closely with the executive team to optimize billing processes and resource utilization. Through rigorous fiscal management, the Interim Chief Financial Officer secures the resources required to sustain high-quality patient care, ensuring that the system remains a financially robust pillar of the community while expanding its service capabilities.

Heather Rupe, the Chief of Staff at Williamson Health, coordinates executive operations and facilitates communication across the leadership team. Rupe manages complex administrative projects, ensuring that strategic initiatives move forward with precision and efficiency. By streamlining internal processes, the Chief of Staff supports the alignment of various departments, including the Turner-Dugas Breast Health Center and emergency medical services. This role involves managing high-level priorities and acting as a liaison between the executive office and clinical leadership. Heather Rupe drives organizational effectiveness by optimizing resource allocation and maintaining clear channels of communication throughout the 30-location network. Through meticulous planning and execution, the Chief of Staff ensures that the system remains responsive to the evolving needs of the community, ultimately fostering a cohesive environment that supports the delivery of high-quality healthcare services across the entire regional footprint.

Andy Russell, the Chief Medical Officer at Williamson Health, directs clinical quality and patient safety standards across the entire healthcare system. Russell oversees the performance of over 860 physicians and advance care practitioners, ensuring that medical practices adhere to the highest benchmarks of excellence. By implementing evidence-based protocols in the NICU, obstetrics, and emergency departments, the Chief Medical Officer maintains superior clinical outcomes. This role involves leading medical staff committees and fostering collaboration with Vanderbilt Health partners to provide specialized pediatric and adult care. Andy Russell drives initiatives to improve patient experience and clinical efficiency throughout the network. Through the continuous evaluation of medical services and the integration of advanced surgical technologies, the Chief Medical Officer ensures that the system delivers safe, effective, and compassionate care to every patient, reinforcing the reputation of the organization as a leader in regional healthcare.