ExamWorks Executive and Leadership Team

June, 2026

Leadership Overview

ExamWorks has 8 executives leading key functions including finance, information technology, strategy, medical operations, and regional management.

Driven by a commitment to service excellence, ExamWorks provides independent medical examinations and related services, focusing on accuracy and efficiency to support client needs across the healthcare and legal sectors.

Leadership Roles at ExamWorks

  • Chief Executive Officer, (North American) - Karen Sullivan
  • Chief Financial Officer - Miguel Fernandez
  • President & Chief Medical Officer - Kathryn Do
  • President & Chief Medical Officer - Kathryn Kolonic
  • President, Examworks Ime (US) - Brent Nalley
  • President - Phillip Telgenhoff
  • Chief Information Officer - Dan Cavanagh
  • Chief Finance Officer - Fernandez de Castro
  • Karen Sullivan - Chief Executive Officer, (North American)

    Karen Sullivan, the Chief Executive Officer, (North American) at ExamWorks, directs the overall strategic vision and operational execution for the North American market. Sullivan leads all business units, ensuring alignment with corporate objectives and driving market expansion. This executive position involves overseeing key functions such as independent medical examinations, peer reviews, and bill reviews, optimizing service delivery across the region. By fostering a culture of excellence, Karen Sullivan enhances ExamWorks' reputation and client satisfaction. The Chief Executive Officer, (North American)'s leadership focuses on achieving sustainable growth and solidifying ExamWorks' position as a premier provider of independent medical examination services.
    Karen Sullivan

    Miguel Fernandez - Chief Financial Officer

    Miguel Fernandez, the Chief Financial Officer at ExamWorks, directs all financial operations and strategic fiscal planning. Fernandez oversees budgeting, forecasting, and financial reporting, ensuring robust financial health and compliance with regulatory standards. This leadership role involves managing investment strategies and optimizing capital allocation to support ExamWorks' growth objectives. By analyzing market trends and financial performance, Miguel Fernandez drives initiatives to enhance profitability and shareholder value. The Chief Financial Officer's purview extends to risk management and the implementation of financial controls across all business units, safeguarding the company's assets and ensuring sustainable financial practices.
    Miguel Fernandez

    Kathryn Do - President & Chief Medical Officer

    Kathryn Do, the President & Chief Medical Officer at ExamWorks, leads the medical operations and strategic direction for clinical services. Do oversees the quality and integrity of independent medical examinations, peer reviews, and medical record reviews, ensuring adherence to the highest medical and ethical standards. This position is fundamental to maintaining ExamWorks' reputation for accurate and reliable medical assessments. By guiding clinical teams and developing medical protocols, Kathryn Do enhances the effectiveness of the company's service delivery. The President & Chief Medical Officer's focus includes advancing medical expertise and ensuring that all examinations meet rigorous professional requirements.

    Kathryn Kolonic - President & Chief Medical Officer

    Kathryn Kolonic, the President & Chief Medical Officer at ExamWorks, directs the strategic initiatives for medical services and clinical quality assurance. Kolonic oversees the provision of independent medical examinations and related diagnostic services, ensuring compliance with industry regulations and best practices. This leadership role is essential for maintaining the high standards of medical expertise and service delivery that ExamWorks provides. By collaborating with clinical staff and stakeholders, Kathryn Kolonic drives improvements in patient care and examination accuracy. The President & Chief Medical Officer's responsibilities encompass the strategic development of medical programs and the enhancement of operational efficiency within the clinical departments.
    Kathryn Kolonic

    Brent Nalley - President, Examworks Ime (US)

    Brent Nalley, the President, Examworks Ime (US) at ExamWorks, spearheads the operations and strategic growth of the independent medical examination services within the United States. Nalley directs the execution of examination protocols, ensuring efficiency and quality across all US-based IME operations. This role is critical for managing client relationships and expanding market reach within the domestic landscape. By optimizing service delivery and operational workflows, Brent Nalley enhances ExamWorks' capacity to meet client demands. The President, Examworks Ime (US)'s leadership focuses on strengthening the company's presence and service excellence in the US market, driving key performance indicators and client satisfaction.

    Phillip Telgenhoff - President

    Phillip Telgenhoff, the President at ExamWorks, drives strategic initiatives and operational oversight across key business segments. Telgenhoff leads efforts to enhance service offerings, including medical record reviews and bill reviews, ensuring alignment with market demands and client expectations. This executive position is vital for fostering innovation and operational excellence throughout the organization. By guiding departmental strategies and promoting cross-functional collaboration, Phillip Telgenhoff strengthens ExamWorks' market position. The President's focus includes expanding service capabilities and ensuring the consistent delivery of high-quality solutions that support the company's overall mission and growth objectives.
    Phillip Telgenhoff

    Dan Cavanagh - Chief Information Officer

    Dan Cavanagh, the Chief Information Officer at ExamWorks, architects the company's technology strategy and oversees all IT infrastructure. Cavanagh directs the development and implementation of digital solutions that enhance operational efficiency and data security. This critical role involves managing the IT department, ensuring seamless integration of systems for medical record reviews, bill reviews, and agile development processes. By leading technological innovation, Dan Cavanagh supports ExamWorks' mission to provide advanced services. The Chief Information Officer's responsibilities include safeguarding sensitive client data and ensuring system reliability across all platforms, thereby bolstering the company's competitive edge through advanced technological capabilities.

    Fernandez de Castro - Chief Finance Officer

    Fernandez de Castro, the Chief Finance Officer at ExamWorks, manages the company's financial health and strategic fiscal planning. De Castro oversees financial reporting, budgeting, and forecasting, ensuring adherence to financial regulations and best practices. This role is pivotal in optimizing financial performance and supporting the company's expansion initiatives. By analyzing financial data, Fernandez de Castro identifies opportunities for cost savings and revenue enhancement. The Chief Finance Officer's expertise is crucial for maintaining financial stability and driving profitable growth across ExamWorks' diverse service offerings, including Medicare compliance and credentialing.

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    Frequently Asked Questions Regarding ExamWorks Top Executives and Leadership Team

    Who leads ExamWorks?
    ExamWorks is led by Karen Sullivan (Chief Executive Officer, (North American)), along with executives such as Miguel Fernandez (Chief Financial Officer) and Kathryn Do (President & Chief Medical Officer).
    Who is part of ExamWorks’s executive team?
    The executive team of ExamWorks includes leaders such as Karen Sullivan (Chief Executive Officer, (North American)), Miguel Fernandez (Chief Financial Officer), Kathryn Do (President & Chief Medical Officer) and other senior executives.
    How many executives does ExamWorks have?
    ExamWorks has 8 executives leading key business areas.
    What roles are included in ExamWorks’s leadership team?
    The leadership team of ExamWorks includes roles such as Chief Executive Officer, (North American), Chief Financial Officer, President & Chief Medical Officer, President & Chief Medical Officer, President, Examworks Ime (US).