Ornge Executive and Leadership Team

June, 2026

Leadership Overview

Ornge has 5 executives leading key functions including strategy, operations, finance, medical affairs, and chief of staff.

Dedicated to providing critical air ambulance and medical transport services across Ontario, Ornge ensures rapid response for critically ill or injured individuals, operating both in the air and on the ground to deliver essential healthcare support.

Leadership Roles at Ornge

  • President & Chief Executive Officer - Homer Tien
  • Chief Financial Officer - Percy Gyara
  • Chief Operating Officer - Maria Renzella
  • Chief of Staff - Abbie Hudson
  • Chief Medical Officer - Bruce Sawadsky
  • Homer Tien - President & Chief Executive Officer

    Homer Tien, the President & Chief Executive Officer at Ornge, directs the overall strategic vision and operational execution for Ontario's critical air ambulance and medical transport services. This leadership role involves steering the organization's mission to provide life-saving transport for critically ill or injured individuals across the province, whether in the air or on the ground. Tien oversees the integration of advanced medical care with efficient logistical operations, ensuring Ornge remains a vital component of Ontario's healthcare system. The President & Chief Executive Officer drives initiatives focused on service expansion, technological adoption, and maintaining the highest standards of patient care and safety. By aligning departmental objectives with the core mandate, Homer Tien ensures Ornge effectively serves its critical role in emergency medical response and patient transport throughout Canada.
    Homer Tien

    Percy Gyara - Chief Financial Officer

    Percy Gyara, the Chief Financial Officer at Ornge, directs the financial strategy and fiscal management for the organization's critical air ambulance and medical transport operations in Ontario. This executive responsibility includes overseeing budgeting, financial planning, resource allocation, and ensuring the fiscal sustainability of Ornge's life-saving services. Gyara manages all financial reporting and compliance, safeguarding the organization's assets while supporting its mission to transport critically ill or injured individuals across Canada. The Chief Financial Officer plays a pivotal role in optimizing financial performance, enabling the effective delivery of air and ground medical transport. Through rigorous financial oversight, Percy Gyara ensures Ornge can continue its essential healthcare support functions throughout the province.
    Percy Gyara

    Maria Renzella - Chief Operating Officer

    Maria Renzella, the Chief Operating Officer at Ornge, manages the day-to-day operational activities essential for Ornge's air ambulance and medical transport services across Ontario. This executive function encompasses the oversight of all ground and air operations, ensuring seamless coordination and deployment of resources to critically ill or injured patients. Renzella focuses on optimizing logistical efficiency, maintaining fleet readiness, and implementing best practices in emergency medical transport. The Chief Operating Officer drives operational excellence, ensuring that Ornge's critical services are delivered reliably and effectively throughout Canada. By refining operational workflows and managing inter-departmental collaboration, Maria Renzella directly supports the organization's commitment to providing timely and critical medical transport, reinforcing Ornge's position within Ontario's healthcare infrastructure.

    Abbie Hudson - Chief of Staff

    Abbie Hudson, the Chief of Staff at Ornge, provides strategic support and operational coordination for the executive leadership team, facilitating the efficient functioning of Ornge's air ambulance and medical transport services across Ontario. This role involves managing key initiatives, streamlining communication channels, and ensuring alignment across various departments to support the mission of transporting critically ill or injured patients. Hudson works closely with the President & Chief Executive Officer and other executives to advance organizational goals and operational effectiveness throughout Canada. The Chief of Staff enhances executive decision-making by synthesizing information and driving project execution. Through dedicated support, Abbie Hudson contributes to the seamless delivery of Ornge's vital healthcare services across the province.

    Bruce Sawadsky - Chief Medical Officer

    Bruce Sawadsky, the Chief Medical Officer at Ornge, leads the medical direction and clinical oversight for the organization's air ambulance and medical transport services throughout Ontario. This critical executive function ensures the highest standards of patient care and medical protocols are maintained during the transport of critically ill or injured individuals, whether by air or ground. Sawadsky guides the development and implementation of clinical strategies, medical training programs, and quality improvement initiatives across Canada. The Chief Medical Officer collaborates with operational teams to integrate medical expertise with logistical planning, ensuring Ornge's services are both clinically sound and operationally efficient. Through dedicated medical leadership, Bruce Sawadsky upholds Ornge's commitment to providing exceptional emergency medical transport.

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    Frequently Asked Questions Regarding Ornge Top Executives and Leadership Team

    Who leads Ornge?
    Ornge is led by Homer Tien (President & Chief Executive Officer), along with executives such as Percy Gyara (Chief Financial Officer) and Maria Renzella (Chief Operating Officer).
    Who is part of Ornge’s executive team?
    The executive team of Ornge includes leaders such as Homer Tien (President & Chief Executive Officer), Percy Gyara (Chief Financial Officer), Maria Renzella (Chief Operating Officer) and other senior executives.
    How many executives does Ornge have?
    Ornge has 5 executives leading key business areas.
    What roles are included in Ornge’s leadership team?
    The leadership team of Ornge includes roles such as President & Chief Executive Officer, Chief Financial Officer, Chief Operating Officer, Chief of Staff, Chief Medical Officer.