William Osler Health System Executive and Leadership Team

October, 2026

Leadership Overview

William Osler Health System has 4 executives leading key functions including strategy, financial operations, technology infrastructure, and volunteer engagement.

Committed to excellence in patient care, William Osler Health System delivers comprehensive medical services across Ontario while advancing clinical innovation and community health outcomes through a robust network of specialized hospital facilities.

Leadership Roles at William Osler Health System

  • President & Chief Executive Officer - Frank Martino
  • Vice President, Finance & Deputy Chief Financial Officer - Sarbjit Dheri
  • President & Association Volunteer - Jennifer Sherman
  • Chief Technology Officer Coordinator - Skye McLellan
  • Frank Martino - President & Chief Executive Officer

    Frank Martino, the President & Chief Executive Officer at William Osler Health System, directs the overarching strategic vision for the entire hospital network. Overseeing clinical performance and operational efficiency, the President & Chief Executive Officer ensures that all medical facilities across Brampton and Etobicoke maintain high standards of patient safety. This leadership role involves constant collaboration with the Board to align healthcare delivery with the evolving needs of the Ontario population. By optimizing resource allocation and fostering a culture of medical excellence, Frank Martino directly impacts the quality of care provided to the community. Ultimately, the President & Chief Executive Officer secures the long-term sustainability of the network, ensuring that the legacy of medical residency and clinical education remains central to the mission of the organization while expanding access to critical health services throughout the region.

    Sarbjit Dheri - Vice President, Finance & Deputy Chief Financial Officer

    Sarbjit Dheri, the Vice President, Finance & Deputy Chief Financial Officer at William Osler Health System, manages the fiscal health and budgetary planning for the hospital network. Overseeing complex financial reporting and capital investment strategies, the Vice President, Finance & Deputy Chief Financial Officer ensures that resources support the expansion of medical services in Ontario. This leadership role involves rigorous analysis of operational costs and revenue streams to maintain the financial stability required for high-quality patient care. By implementing robust fiscal controls and transparent reporting mechanisms, Sarbjit Dheri directly impacts the ability of the organization to invest in modern medical technology and infrastructure. Ultimately, the Vice President, Finance & Deputy Chief Financial Officer provides the economic foundation necessary for the network to meet the growing healthcare demands of the Brampton and Etobicoke communities while ensuring long-term institutional viability.

    Jennifer Sherman - President & Association Volunteer

    Jennifer Sherman, the President & Association Volunteer at William Osler Health System, directs the engagement and coordination of volunteer programs that support patient experience and hospital operations. Overseeing the recruitment and training of community members, the President & Association Volunteer ensures that volunteer efforts align with the broader clinical goals of the network. This leadership role involves fostering strong relationships between the hospital and the local community to enhance the overall environment for patients and families. By managing these vital human resources, Jennifer Sherman directly impacts the comfort and support levels within the facilities in Brampton and Etobicoke. Ultimately, the President & Association Volunteer strengthens the connection between the institution and the public, ensuring that compassionate community involvement remains a cornerstone of the healthcare services provided throughout the Ontario region.

    Skye McLellan - Chief Technology Officer Coordinator

    Skye McLellan, the Chief Technology Officer Coordinator at William Osler Health System, architects the digital infrastructure and information systems supporting clinical operations. Overseeing the integration of electronic health records and secure data management, the Chief Technology Officer Coordinator ensures that medical staff possess reliable access to patient information across all hospital sites. This leadership role involves coordinating cross-departmental technology initiatives to streamline administrative workflows and enhance diagnostic capabilities. By implementing scalable software solutions and robust cybersecurity protocols, Skye McLellan directly impacts the efficiency of healthcare delivery within the network. Ultimately, the Chief Technology Officer Coordinator drives the digital transformation of the organization, ensuring that technological advancements align with the clinical mission of providing superior care to the residents of Brampton and the surrounding Ontario districts through modern, data-driven medical practices.

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    Frequently Asked Questions Regarding William Osler Health System Top Executives and Leadership Team

    Who leads William Osler Health System?
    William Osler Health System is led by Frank Martino (President & Chief Executive Officer), along with executives such as Sarbjit Dheri (Vice President, Finance & Deputy Chief Financial Officer) and Jennifer Sherman (President & Association Volunteer).
    Who is part of William Osler Health System’s executive team?
    The executive team of William Osler Health System includes leaders such as Frank Martino (President & Chief Executive Officer), Sarbjit Dheri (Vice President, Finance & Deputy Chief Financial Officer), Jennifer Sherman (President & Association Volunteer) and other senior executives.
    How many executives does William Osler Health System have?
    William Osler Health System has 4 executives leading key business areas.
    What roles are included in William Osler Health System’s leadership team?
    The leadership team of William Osler Health System includes roles such as President & Chief Executive Officer, Vice President, Finance & Deputy Chief Financial Officer, President & Association Volunteer, Chief Technology Officer Coordinator.