Health Sciences North Executive and Leadership Team

July, 2026

Leadership Overview

Health Sciences North has 6 executives leading key functions including strategy, finance, operations, information technology, and medical staff leadership.

Dedicated to advancing patient care and medical innovation, Health Sciences North provides specialized programs in cardiac care, oncology, nephrology, trauma, and rehabilitation, serving the Greater Sudbury region and beyond.

Leadership Roles at Health Sciences North

  • Chief Executive Officer - Marianne Mader
  • President and Chief Executive Officer Health Sciences North and Horizon Santé-Nord - David McNeil
  • Chief Financial Officer - Corissa Weghe
  • Chief Operating Officer - David Joslin
  • Anesthesiologist and A President of the Medical Staff - Peter Zalan
  • Chief Information & Privacy Officer - Steve Volpini
  • Marianne Mader - Chief Executive Officer

    Marianne Mader, the Chief Executive Officer at Health Sciences North, directs the overall strategic vision and operational execution for the organization. Mader oversees the integration of clinical services with administrative functions, ensuring alignment with the hospital's mission of providing advanced patient care. This leadership role involves fostering a culture of innovation and excellence across all departments, from oncology to trauma and rehabilitation services. Mader's strategic guidance ensures the efficient allocation of resources to support critical programs like cardiac care and nephrology. By driving forward the hospital's objectives, Marianne Mader ensures Health Sciences North maintains its position as a leading healthcare provider in Northern Ontario. The Chief Executive Officer's purview extends to stakeholder relations and long-term organizational sustainability.
    Marianne Mader

    David McNeil - President and Chief Executive Officer Health Sciences North and Horizon Santé-Nord

    David McNeil, the President and Chief Executive Officer Health Sciences North and Horizon Santé-Nord at Health Sciences North, leads the dual-entity organization with a focus on integrated healthcare delivery and strategic growth. McNeil's responsibilities encompass the overarching direction of both Health Sciences North and Horizon Santé-Nord, ensuring seamless collaboration and service provision across their respective mandates. This executive position involves shaping policy, driving operational efficiencies, and championing advancements in patient care, particularly within specialized areas such as oncology and cardiac services. David McNeil's leadership ensures that the organization effectively addresses the healthcare needs of the Greater Sudbury region and surrounding communities. The President and Chief Executive Officer Health Sciences North and Horizon Santé-Nord's role is critical in navigating the complex healthcare landscape and securing the future of integrated health services.

    Corissa Weghe - Chief Financial Officer

    Corissa Weghe, the Chief Financial Officer at Health Sciences North, manages the comprehensive financial operations and fiscal strategy of the institution. Weghe directs all aspects of financial planning, budgeting, and resource allocation, ensuring the economic health and sustainability of the hospital's diverse programs, including oncology, nephrology, and trauma care. This critical role involves overseeing revenue cycle management, capital expenditures, and financial reporting to regulatory bodies and stakeholders. Corissa Weghe's expertise is vital in optimizing financial performance and supporting the delivery of high-quality patient services across Northern Ontario. The Chief Financial Officer's oversight extends to risk management and the identification of opportunities for financial growth and efficiency, underpinning the hospital's commitment to its mission.
    Corissa Weghe

    David Joslin - Chief Operating Officer

    David Joslin, the Chief Operating Officer at Health Sciences North, oversees the day-to-day operational functions and service delivery across the hospital's clinical and support departments. Joslin directs the implementation of operational strategies designed to enhance patient care efficiency, particularly within specialized services like cardiac care, trauma, and rehabilitation. This executive position involves managing hospital resources, optimizing workflows, and ensuring compliance with healthcare standards and regulations. David Joslin's leadership focuses on driving operational excellence and fostering a collaborative environment among medical and administrative staff. The Chief Operating Officer's responsibilities are integral to the smooth functioning of Health Sciences North, supporting its mission to provide comprehensive healthcare solutions to the Greater Sudbury region.

    Peter Zalan - Anesthesiologist and A President of the Medical Staff

    Peter Zalan, the Anesthesiologist and A President of the Medical Staff at Health Sciences North, provides clinical leadership and strategic direction for the medical staff across the hospital's diverse departments. Zalan advocates for the professional interests of physicians and ensures the highest standards of medical practice are maintained, particularly in critical areas like cardiac care, trauma, and rehabilitation. This dual role involves collaborating with hospital administration to align medical staff activities with the organization's overall mission and operational goals. Peter Zalan's influence extends to fostering a culture of collaboration and continuous improvement within the medical community. The Anesthesiologist and A President of the Medical Staff's commitment is vital to the quality of patient care delivered by Health Sciences North.

    Steve Volpini - Chief Information & Privacy Officer

    Steve Volpini, the Chief Information & Privacy Officer at Health Sciences North, leads the strategic direction and management of the organization's information technology infrastructure and data privacy protocols. Volpini oversees the implementation and maintenance of secure, efficient IT systems that support clinical operations, patient care, and administrative functions across all specialized services, including oncology and nephrology. This role is paramount in safeguarding sensitive patient information and ensuring compliance with all relevant privacy legislation. Steve Volpini's expertise drives technological innovation, enhancing data accessibility for medical professionals while upholding the highest standards of confidentiality. The Chief Information & Privacy Officer's stewardship ensures Health Sciences North leverages technology effectively and responsibly.

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    Frequently Asked Questions Regarding Health Sciences North Top Executives and Leadership Team

    Who leads Health Sciences North?
    Health Sciences North is led by Marianne Mader (Chief Executive Officer), along with executives such as David McNeil (President and Chief Executive Officer Health Sciences North and Horizon Santé-Nord) and Corissa Weghe (Chief Financial Officer).
    Who is part of Health Sciences North’s executive team?
    The executive team of Health Sciences North includes leaders such as Marianne Mader (Chief Executive Officer), David McNeil (President and Chief Executive Officer Health Sciences North and Horizon Santé-Nord), Corissa Weghe (Chief Financial Officer) and other senior executives.
    How many executives does Health Sciences North have?
    Health Sciences North has 6 executives leading key business areas.
    What roles are included in Health Sciences North’s leadership team?
    The leadership team of Health Sciences North includes roles such as Chief Executive Officer, President and Chief Executive Officer Health Sciences North and Horizon Santé-Nord, Chief Financial Officer, Chief Operating Officer, Anesthesiologist and A President of the Medical Staff.