Leadership Overview
Niagara Health has 6 executives leading key functions including strategy, financial oversight, medical operations, digital transformation, technology support, and labor relations.
Committed to excellence in patient care, Niagara Health advances community-based academic medicine through rigorous research, continuous innovation, and strategic regional partnerships across the Canadian healthcare landscape.
Committed to excellence in patient care, Niagara Health advances community-based academic medicine through rigorous research, continuous innovation, and strategic regional partnerships across the Canadian healthcare landscape.
Leadership Roles at Niagara Health
Lynn Guerriero - President & Chief Executive Officer
Lynn Guerriero, the President & Chief Executive Officer at Niagara Health, directs the overarching strategic vision for this multi-site academic healthcare organization. Overseeing the integration of clinical services across the regional network, the President & Chief Executive Officer ensures alignment between research initiatives and patient care delivery. This leadership role involves managing complex stakeholder relationships and driving the expansion of virtual service models to improve accessibility. By fostering a culture of innovation, Lynn Guerriero optimizes operational performance across all hospital sites. The President & Chief Executive Officer maintains rigorous standards for quality and safety, ensuring the organization meets the evolving needs of the community. Through proactive engagement with provincial partners, Guerriero secures the resources necessary for long-term sustainability and growth. This executive leadership remains focused on delivering high-quality, patient-centered care while navigating the challenges of a modern, community-based academic health system.
Angela Zangari - Chief Financial Officer
Angela Zangari, the Chief Financial Officer at Niagara Health, manages the fiscal health and resource allocation for this expansive regional provider. Overseeing the budgeting process and financial reporting, the Chief Financial Officer ensures the organization maintains the capital strength required for ongoing research and infrastructure development. This leadership role involves analyzing complex healthcare funding models to maximize operational efficiency across multiple sites. By implementing robust financial controls, Angela Zangari supports the strategic objectives of the academic center. The Chief Financial Officer collaborates with the executive team to prioritize investments in medical technology and facility upgrades. Through diligent oversight of revenue cycles and cost management, Zangari secures the financial stability of the institution. This executive leadership drives fiscal accountability, ensuring that every dollar directly contributes to the enhancement of patient services and the advancement of the organization's mission within the Canadian healthcare sector.
Loretta Tirabassi - President, Ona Local 26 Niagara Health
Loretta Tirabassi, the President, Ona Local 26 Niagara Health at Niagara Health, directs labor relations and represents the interests of the nursing workforce within the organization. Overseeing the negotiation and implementation of collective agreements, the President, Ona Local 26 Niagara Health ensures that staffing models support both employee well-being and high-quality patient care. This leadership role involves mediating workplace concerns and fostering a collaborative environment between nursing staff and hospital administration. By advocating for professional development and safe working conditions, Loretta Tirabassi strengthens the clinical workforce. The President, Ona Local 26 Niagara Health participates in strategic discussions regarding organizational culture and retention initiatives. Through consistent engagement with union members, Tirabassi ensures that the nursing team remains aligned with the mission of the academic health center. This executive leadership role is vital for maintaining a stable, motivated, and highly skilled workforce capable of meeting the complex demands of regional healthcare.
Kevin Chan - Executive Vice President Medicine and Chief of Staff
Kevin Chan, the Executive Vice President Medicine and Chief of Staff at Niagara Health, directs the clinical governance and medical leadership for the entire hospital network. Overseeing the professional standards of the medical staff, the Executive Vice President Medicine and Chief of Staff ensures that patient care protocols align with current academic research and evidence-based practices. This leadership role involves coordinating physician recruitment and fostering a collaborative environment for clinical innovation. By managing the integration of medical services across various sites, Kevin Chan optimizes the delivery of complex care. The Executive Vice President Medicine and Chief of Staff maintains strong communication channels with the Board to address clinical quality and safety metrics. Through strategic planning, Chan improves patient outcomes and supports the professional development of the medical team. This executive leadership remains dedicated to maintaining excellence in medical practice while expanding the reach of community-based healthcare services.
Sonali Kohli - Executive VP, Digital Transformation & Chief Information Officer
Sonali Kohli, the Executive VP, Digital Transformation & Chief Information Officer at Niagara Health, architects the technological infrastructure necessary for modernizing patient care delivery. Overseeing the implementation of advanced digital health platforms, the Executive VP, Digital Transformation & Chief Information Officer ensures seamless data integration across the regional network. This leadership role involves driving the adoption of virtual care tools to enhance accessibility for the community. By prioritizing cybersecurity and data integrity, Sonali Kohli protects sensitive patient information while enabling efficient clinical workflows. The Executive VP, Digital Transformation & Chief Information Officer collaborates with medical leadership to leverage analytics for improved health outcomes. Through strategic investment in digital innovation, Kohli accelerates the organization's transition toward a fully connected academic health system. This executive leadership ensures that technology serves as a primary catalyst for operational efficiency and superior patient experiences throughout the entire regional service area.

Karen Garner - Chief Technology Officer, Support
Karen Garner, the Chief Technology Officer, Support at Niagara Health, manages the technical support systems and operational hardware that sustain daily hospital functions. Overseeing the maintenance of critical infrastructure, the Chief Technology Officer, Support ensures that all clinical and administrative departments possess the reliable tools required for uninterrupted service. This leadership role involves optimizing the performance of internal networks and hardware assets across multiple sites. By streamlining technical support processes, Karen Garner reduces downtime and improves staff productivity. The Chief Technology Officer, Support coordinates with the broader IT team to ensure that support services align with the organization's digital transformation goals. Through proactive management of technical resources, Garner maintains the operational backbone of the health system. This executive leadership focuses on the practical application of technology to support the frontline staff, ensuring that every clinical environment remains fully equipped to provide high-quality care to the community.
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