Corewell Health Executive and Leadership Team

Tina Freese-Decker, the President & Chief Executive Officer at Corewell Health, directs the overarching strategic vision for the largest integrated health system in Michigan. Overseeing the alignment of 22 hospitals and the Priority Health insurance plan, the President & Chief Executive Officer ensures that clinical delivery remains accessible and affordable for over 1.3 million members. This leadership role involves constant collaboration with the Board to refine long-term growth initiatives and maintain high standards of patient care. By fostering a culture of humanity and hope, Tina Freese-Decker drives the organization toward sustainable excellence in a complex healthcare landscape. Freese-Decker manages the integration of diverse medical services, ensuring that primary, specialty, and behavioral health offerings meet the evolving needs of Michigan communities while maintaining fiscal responsibility across the entire enterprise.

Nancy Susick, the Chief Operating Officer at Corewell Health, manages the daily operational efficiency of the expansive hospital network. Coordinating resources across 300 outpatient locations, the Chief Operating Officer optimizes workflows to enhance patient throughput and service quality. This role requires rigorous oversight of clinical support systems to ensure that physicians and nurses possess the necessary tools for effective care delivery. Nancy Susick maintains operational excellence by streamlining administrative processes and fostering interdepartmental cooperation. Susick monitors performance metrics to identify opportunities for improvement in emergency medicine and pediatric services. By standardizing operational protocols, the Chief Operating Officer supports the broader mission of providing equitable healthcare throughout the state. Susick remains focused on scaling infrastructure to accommodate growing patient volumes while upholding the high standards of safety and clinical efficacy expected within the system.

Walter Lorang, the Executive Director and Chief Operating Officer - Arvon CIN at Corewell Health, directs the operational framework of the Clinical Integrated Network. Overseeing the coordination between independent providers and the broader health system, the Executive Director and Chief Operating Officer - Arvon CIN ensures that care delivery remains consistent and high-quality. This role involves managing complex provider relationships to enhance the efficacy of specialty care and primary care services. Walter Lorang implements strategies that improve patient outcomes through better data sharing and clinical collaboration. Lorang monitors the performance of the network to ensure alignment with the overall mission of the organization. By optimizing the integration of clinical services, the Executive Director and Chief Operating Officer - Arvon CIN supports the expansion of accessible healthcare across the region. Lorang drives initiatives that strengthen the network's ability to deliver value-based care.

Kristie Smith, the Chief Operating Officer, Greenville, Big Rapids and Reed City Hospitals at Corewell Health, manages the operational performance of specific regional facilities. Overseeing the delivery of emergency and primary care in these communities, the Chief Operating Officer, Greenville, Big Rapids and Reed City Hospitals ensures that local patient needs receive prompt and effective attention. This role involves optimizing staffing levels and resource allocation to maintain high standards of care in smaller hospital settings. Kristie Smith coordinates with the broader system leadership to implement standardized clinical protocols. Smith monitors local health trends to adapt service offerings to the specific requirements of the population. By focusing on operational efficiency at the facility level, the Chief Operating Officer, Greenville, Big Rapids and Reed City Hospitals supports the system-wide commitment to equitable healthcare. Smith drives local initiatives that improve patient access and satisfaction.

Meleah Mariani, the Chief Operating Officer, North West Region at Corewell Health, manages the operational oversight of hospitals and clinics across the northern and western territories. Overseeing the integration of specialty and primary care services, the Chief Operating Officer, North West Region ensures that regional facilities operate in harmony with the broader system goals. This role involves managing the logistics of patient care delivery to ensure efficiency and quality. Meleah Mariani coordinates with regional leadership to address specific community health challenges. Mariani monitors operational metrics to identify areas for improvement in service delivery and resource management. By driving regional initiatives, the Chief Operating Officer, North West Region supports the system's mission to provide equitable healthcare. Mariani ensures that the northern and western communities receive consistent, high-quality care that aligns with the overall standards of the organization.

Jonathan Ashford, the Surgical Services Corewell Health Chief Operating Officer & Vice President at Corewell Health, directs the operational management of all surgical departments. Overseeing the scheduling, staffing, and equipment utilization for operating rooms, the Surgical Services Corewell Health Chief Operating Officer & Vice President ensures that surgical care remains safe and efficient. This role involves collaborating with surgeons and nursing staff to optimize the patient experience from pre-operative care to recovery. Jonathan Ashford implements advanced surgical technologies to improve clinical outcomes. Ashford monitors the performance of surgical units to ensure compliance with system-wide quality standards. By focusing on the operational success of surgical services, the Surgical Services Corewell Health Chief Operating Officer & Vice President supports the broader mission of providing comprehensive care. Ashford drives improvements that increase the capacity and effectiveness of surgical interventions across the health system.

Jason Barell, the Chief of Staff at Corewell Health, facilitates executive communication and manages the strategic priorities of the leadership team. Coordinating high-level projects, the Chief of Staff ensures that organizational goals remain synchronized across all clinical and administrative departments. This role involves managing the flow of information to the executive office, allowing for rapid decision-making regarding system-wide initiatives. Jason Barell maintains the integrity of internal processes, supporting the President & Chief Executive Officer in executing the mission of the health system. Barell oversees the implementation of key policies that impact the 22 hospitals and various post-acute facilities. By bridging the gap between executive strategy and operational execution, the Chief of Staff drives organizational alignment. Barell ensures that all leadership activities contribute directly to the advancement of accessible and affordable healthcare for Michigan residents.

Arash Litt, the Chief Marketing Officer, Michigan Aco (West) at Corewell Health, directs the communication and outreach strategies for the Accountable Care Organization in the western region. Overseeing the messaging regarding care quality and network benefits, the Chief Marketing Officer, Michigan Aco (West) ensures that patients and providers understand the value of integrated health services. This role involves developing campaigns that promote preventative care and behavioral health awareness. Arash Litt collaborates with clinical leaders to highlight the success of the ACO in improving patient outcomes. Litt manages the brand presence to foster trust within the community and increase engagement with the health system. By aligning marketing efforts with the mission of accessible care, the Chief Marketing Officer, Michigan Aco (West) supports the growth of the patient base. Litt drives strategic communication that reinforces the organization's reputation for excellence.

Ashley Sanchez, the Chief of Staff & Manager, Strategy & Operations at Corewell Health, directs the administrative and strategic planning functions for the executive team. Overseeing the development of operational roadmaps, the Chief of Staff & Manager, Strategy & Operations ensures that long-term goals translate into actionable daily tasks. This role involves analyzing system performance to provide data-driven recommendations for improvement. Ashley Sanchez coordinates cross-functional teams to execute key projects that enhance the efficiency of the hospital network. Sanchez manages the strategic agenda to ensure that all departments remain focused on the mission of improving health and inspiring hope. By streamlining operations and fostering strategic alignment, the Chief of Staff & Manager, Strategy & Operations supports the organization's growth. Sanchez drives the implementation of initiatives that improve the accessibility and affordability of care across the entire system.

Fache Jim Wincek, the Chief Operations Officer at Corewell Health, manages the foundational operational systems that support the entire health network. Overseeing the supply chain and facility maintenance, the Chief Operations Officer ensures that all hospitals and outpatient locations remain fully functional and prepared for patient care. This role involves optimizing the logistics of medical supplies and equipment to reduce waste and improve cost-efficiency. Fache Jim Wincek coordinates with other C-suite leaders to ensure that operational infrastructure supports the strategic goals of the organization. Wincek monitors the performance of support services to maintain high standards of safety and reliability. By driving operational excellence in the background, the Chief Operations Officer supports the clinical teams in delivering high-quality care. Wincek ensures that the organization maintains the necessary resources to fulfill its mission of improving health and inspiring hope.