William Osler Health System Executive and Leadership Team

August, 2026

Leadership Overview

William Osler Health System has 6 executives leading key functions including strategy, technology, finance, operations, and volunteer coordination.

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
  • Executive Vice President & Chief Operating Officer & Chief Financial Officer - Florine Lobo
  • President & Association Volunteer - Jennifer Sherman
  • Chief Technology Officer - James Moolecherry
  • 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 governance and administrative excellence, the President & Chief Executive Officer ensures that all medical facilities across the Brampton and Etobicoke regions maintain high standards of patient safety. This leadership role involves constant collaboration with the Board to align healthcare delivery with evolving provincial requirements. By fostering a culture of continuous improvement, Frank Martino drives the organization toward sustainable growth and operational efficiency. The President & Chief Executive Officer manages complex stakeholder relationships to secure long-term institutional stability. Through rigorous oversight of medical residency programs and hospital operations, Martino strengthens the reputation of the network as a premier provider of healthcare services within the Canadian landscape, ultimately ensuring that the mission of providing accessible, high-quality care remains the primary focus of every department.

    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 entire hospital network. Overseeing financial reporting and resource allocation, the Vice President, Finance & Deputy Chief Financial Officer ensures that capital investments align with the long-term strategic goals of the organization. This leadership role involves monitoring revenue cycles and optimizing cost structures to support the expansion of medical services in Brampton and Etobicoke. By maintaining rigorous financial controls, Sarbjit Dheri secures the economic viability of the network. The Vice President, Finance & Deputy Chief Financial Officer collaborates with executive leadership to forecast funding requirements for new clinical initiatives. Through precise analysis of operational expenditures, Dheri provides the necessary data to support informed decision-making. This commitment to fiscal responsibility allows the organization to invest in advanced medical equipment and facility upgrades, ensuring that the network continues to provide high-quality care to the community.

    Florine Lobo - Executive Vice President & Chief Operating Officer & Chief Financial Officer

    Florine Lobo, the Executive Vice President & Chief Operating Officer & Chief Financial Officer at William Osler Health System, directs the daily operational functions and financial management of the hospital network. Overseeing the logistical coordination of medical services, the Executive Vice President & Chief Operating Officer & Chief Financial Officer ensures that hospital facilities operate at peak efficiency. This leadership role involves balancing the complex demands of resource management with the necessity of maintaining high-quality patient care. By optimizing supply chain logistics and financial workflows, Florine Lobo drives the organization toward greater operational agility. The Executive Vice President & Chief Operating Officer & Chief Financial Officer manages the intersection of fiscal policy and clinical operations to ensure that every department remains adequately funded and staffed. Through strategic oversight of hospital infrastructure, Lobo supports the expansion of services across the Ontario region, ensuring that the network remains a leader in providing accessible and effective healthcare solutions.
    Florine Lobo

    Jennifer Sherman - President & Association Volunteer

    Jennifer Sherman, the President & Association Volunteer at William Osler Health System, leads the engagement of community members and volunteer groups to support the mission of the hospital network. Overseeing the recruitment and training of volunteers, the President & Association Volunteer ensures that community participation enhances the patient experience across all facilities. This leadership role involves building strong relationships with local stakeholders to foster a culture of service and support. By coordinating volunteer efforts with clinical needs, Jennifer Sherman directly contributes to the compassionate environment of the hospital network. The President & Association Volunteer manages programs that provide essential non-clinical support to patients and families, thereby improving overall satisfaction. Through strategic outreach, Sherman strengthens the connection between the organization and the communities of Brampton and Etobicoke. This dedication to community involvement ensures that the network remains deeply rooted in the local population, providing a holistic approach to healthcare that extends beyond medical treatment.

    James Moolecherry - Chief Technology Officer

    James Moolecherry, the Chief Technology Officer at William Osler Health System, architects the digital infrastructure necessary for modern hospital operations. Overseeing the integration of electronic health records and advanced diagnostic systems, the Chief Technology Officer ensures that clinical data remains secure and accessible for medical staff. This leadership role involves implementing cutting-edge software solutions to streamline patient intake and administrative workflows across the network. By optimizing the technological backbone of the organization, James Moolecherry directly impacts the speed and accuracy of healthcare delivery. The Chief Technology Officer manages large-scale IT projects that support the expansion of digital health services throughout the Ontario region. Through constant evaluation of emerging medical technologies, Moolecherry maintains the competitive edge of the hospital network. This strategic focus on digital transformation enables the organization to provide superior care while maintaining the highest standards of data integrity and operational efficiency in a rapidly evolving healthcare environment.

    Skye McLellan - Chief Technology Officer Coordinator

    Skye McLellan, the Chief Technology Officer Coordinator at William Osler Health System, facilitates the operational alignment of technical teams and clinical departments. Overseeing the coordination of IT resources, the Chief Technology Officer Coordinator ensures that technological deployments support the daily requirements of hospital staff. This leadership role involves managing communication channels between technical specialists and medical practitioners to resolve system bottlenecks. By streamlining the implementation of new software tools, Skye McLellan directly improves the efficiency of patient care delivery. The Chief Technology Officer Coordinator monitors project timelines and resource distribution to ensure that all digital initiatives remain on schedule. Through active engagement with various departments, McLellan identifies opportunities for process improvement within the hospital network. This role is essential for maintaining the seamless operation of critical health systems, ensuring that the technology utilized by the organization remains reliable, effective, and fully integrated into the broader clinical strategy of the network.

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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 Florine Lobo (Executive Vice President & Chief Operating Officer & Chief Financial Officer).
    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), Florine Lobo (Executive Vice President & Chief Operating Officer & Chief Financial Officer) and other senior executives.
    How many executives does William Osler Health System have?
    William Osler Health System has 6 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, Executive Vice President & Chief Operating Officer & Chief Financial Officer, President & Association Volunteer, Chief Technology Officer.