Leadership Overview
Halton Healthcare has 4 executives leading key functions including medical staff coordination, human resources, clinical leadership, and strategic partnerships.
Committed to delivering exceptional patient care, Halton Healthcare advances regional health outcomes through a comprehensive network of acute, emergency, and preventative medical services across Ontario communities.
Committed to delivering exceptional patient care, Halton Healthcare advances regional health outcomes through a comprehensive network of acute, emergency, and preventative medical services across Ontario communities.
Leadership Roles at Halton Healthcare
Justin Busse - Associate Chief of Staff
Justin Busse, the Associate Chief of Staff at Halton Healthcare, directs clinical governance and medical staff integration across the organization. Busse manages physician engagement initiatives to ensure high-quality standards within acute care settings. By overseeing medical department workflows, the Associate Chief of Staff optimizes patient throughput and clinical efficiency. Justin Busse collaborates with the broader leadership team to align medical practices with regional healthcare mandates. This role involves monitoring clinical performance metrics to maintain safety protocols throughout the Milton, Oakville, and Halton Hills facilities. Through rigorous oversight of medical staff policies, the Associate Chief of Staff supports the delivery of specialized emergency services. Busse drives continuous improvement in clinical outcomes by fostering interdisciplinary cooperation among medical professionals. The Associate Chief of Staff remains focused on sustaining excellence in medical service delivery while addressing the evolving healthcare needs of the Ontario population.
Michele Leroux - Chief Human Resources Officer
Michele Leroux, the Chief Human Resources Officer at Halton Healthcare, architects the organizational talent strategy and workforce development programs. Leroux manages recruitment, retention, and labor relations to support the diverse medical teams operating across the regional network. By overseeing employee engagement initiatives, the Chief Human Resources Officer ensures a culture of excellence and safety within the hospital environment. Michele Leroux collaborates with executive leadership to align human capital investments with the long-term strategic goals of the organization. This role involves implementing comprehensive training frameworks to enhance the capabilities of clinical and administrative staff. Through the optimization of workforce planning, the Chief Human Resources Officer directly impacts the operational capacity of emergency and acute care services. Leroux drives organizational health by prioritizing staff well-being and professional growth. The Chief Human Resources Officer maintains a focus on building a resilient, high-performing workforce capable of meeting the complex demands of the Ontario healthcare landscape.

Gavin Hui - Associate Chief of Staff
Gavin Hui, the Associate Chief of Staff at Halton Healthcare, manages surgical service coordination and clinical resource allocation. Hui oversees the implementation of advanced medical protocols to improve patient recovery times and surgical outcomes. By directing the integration of new medical technologies, the Associate Chief of Staff enhances the diagnostic capabilities of the regional hospital network. Gavin Hui works closely with department heads to streamline clinical operations and reduce wait times for emergency procedures. This leadership role involves evaluating medical staff performance to ensure adherence to provincial healthcare standards. Through the management of clinical quality assurance programs, the Associate Chief of Staff supports the overall mission of providing high-quality preventative and acute care. Hui drives operational excellence by refining surgical workflows and optimizing the use of medical equipment. The Associate Chief of Staff remains dedicated to advancing clinical standards and ensuring the delivery of superior medical services across the Ontario region.
Adrienne Spafford - Chief Communications Officer & Vice President, Strategy & Partnerships
Adrienne Spafford, the Chief Communications Officer & Vice President, Strategy & Partnerships at Halton Healthcare, directs corporate messaging and external stakeholder engagement. Spafford manages strategic alliances with regional health partners to expand the reach of preventative and acute medical services. By overseeing public relations and community outreach, the Chief Communications Officer & Vice President, Strategy & Partnerships ensures alignment between organizational goals and public expectations. Adrienne Spafford collaborates with the Board and executive team to architect long-term growth strategies and partnership frameworks. This role involves leading initiatives that strengthen the reputation of the organization within the Ontario healthcare sector. Through the development of strategic communication plans, the Chief Communications Officer & Vice President, Strategy & Partnerships drives awareness of emergency and medical service offerings. Spafford maintains a focus on fostering collaborative relationships that support the sustainability of the hospital network. The Chief Communications Officer & Vice President, Strategy & Partnerships secures the future of the organization through proactive strategic planning and effective stakeholder management.
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