Allegheny Health Network Executive and Leadership Team

October, 2026

Leadership Overview

Allegheny Health Network has 10 executives leading key functions including strategy, operations, financial management, and clinical quality.

Committed to advancing medical innovation, Allegheny Health Network delivers exceptional patient care through research-driven diagnostics and a dedicated team of expert healthcare professionals across the region.

Leadership Roles at Allegheny Health Network

  • President & Chief Executive Officer - Mark Sevco
  • Chief Financial Officer - Diane Hoak-Hutchison
  • Interim Chief Financial Officer - Edward Roeber
  • Chief Financial Officer, Ahn Allegheny General & Penn Hospitals (West) - Kelly Herrera
  • Vice President, Finance & Chief Financial Officer - David Poland
  • Chief Operating Officer - Karen Surkala
  • Chief of Staff To the President and Director of Strategic Operations - Dylan Deglau
  • Regional Chief Marketing Officer, Office Division & General Pediatrician - Damian Tero
  • Chief of Staff & Chief Quality Officer - Shawn Marek
  • Chief of Staff To the Chief Medical Officer and Director of Strategic Operations - Nicole LoCascio
  • Mark Sevco - President & Chief Executive Officer

    Mark Sevco, the President & Chief Executive Officer at Allegheny Health Network, directs the overarching strategic vision for the entire hospital system. Overseeing clinical excellence and operational growth, the President & Chief Executive Officer ensures that all facilities maintain high standards of patient care. This leadership role involves coordinating with the Board to implement medical innovations that improve diagnostic accuracy and treatment outcomes. By fostering a culture of compassion and expertise, Mark Sevco drives the organization toward long-term sustainability and community health improvement. The President & Chief Executive Officer manages complex relationships with regional stakeholders to expand access to specialized services. Through rigorous oversight of hospital performance metrics, Sevco guarantees that the network remains a leader in healthcare delivery, consistently meeting the evolving needs of patients throughout the Pennsylvania region and beyond.
    Mark Sevco

    Diane Hoak-Hutchison - Chief Financial Officer

    Diane Hoak-Hutchison, the Chief Financial Officer at Allegheny Health Network, directs the fiscal strategy and long-term financial planning for the organization. Overseeing capital investments and budgetary compliance, the Chief Financial Officer ensures that resources support the expansion of medical research and patient care initiatives. This leadership role involves managing revenue cycles and identifying opportunities for cost-effective service delivery. By maintaining fiscal discipline, Diane Hoak-Hutchison secures the financial foundation necessary for acquiring the latest medical technologies. The Chief Financial Officer works closely with executive leadership to align financial goals with the broader mission of improving patient health outcomes. Through meticulous analysis of market trends and operational expenses, Hoak-Hutchison optimizes the financial performance of the network. The Chief Financial Officer provides the stability required to sustain high-quality healthcare services across all regional facilities.

    Edward Roeber - Interim Chief Financial Officer

    Edward Roeber, the Interim Chief Financial Officer at Allegheny Health Network, manages the immediate financial operations and reporting requirements during this transition period. Overseeing liquidity and cash flow management, the Interim Chief Financial Officer ensures that hospital departments maintain uninterrupted access to essential funding. This leadership role involves auditing current financial processes to identify areas for improved efficiency and transparency. By providing steady financial guidance, Edward Roeber supports the continued delivery of patient care and research activities. The Interim Chief Financial Officer coordinates with the finance team to prepare accurate forecasts and maintain compliance with regulatory standards. Through careful monitoring of expenditures, Roeber protects the financial health of the organization. The Interim Chief Financial Officer facilitates seamless communication between the finance department and the executive team, ensuring that strategic objectives remain supported by robust fiscal oversight.

    Kelly Herrera - Chief Financial Officer, Ahn Allegheny General & Penn Hospitals (West)

    Kelly Herrera, the Chief Financial Officer, Ahn Allegheny General & Penn Hospitals (West) at Allegheny Health Network, manages the financial health of specific hospital facilities within the western region. Overseeing local budgets and resource allocation, the Chief Financial Officer, Ahn Allegheny General & Penn Hospitals (West) ensures that these hospitals operate efficiently while maintaining high standards of care. This leadership role involves analyzing regional revenue streams and optimizing cost structures for specialized medical services. By providing localized financial oversight, Kelly Herrera supports the specific needs of the Allegheny General and Penn facilities. The Chief Financial Officer, Ahn Allegheny General & Penn Hospitals (West) works with hospital administrators to align financial performance with clinical goals. Through rigorous monitoring of regional expenses, Herrera ensures that these hospitals remain financially viable. The Chief Financial Officer, Ahn Allegheny General & Penn Hospitals (West) contributes to the overall stability of the network.

    David Poland - Vice President, Finance & Chief Financial Officer

    David Poland, the Vice President, Finance & Chief Financial Officer at Allegheny Health Network, directs the financial strategy and reporting functions for the entire organization. Overseeing long-term financial planning and investment analysis, the Vice President, Finance & Chief Financial Officer ensures that the network maintains the capital necessary for medical innovation. This leadership role involves managing complex financial structures and ensuring compliance with healthcare regulations. By providing strategic financial insights, David Poland supports the executive team in making informed decisions regarding hospital expansion and service development. The Vice President, Finance & Chief Financial Officer works to optimize the financial performance of the network through rigorous cost management and revenue growth strategies. Through careful oversight of financial assets, Poland protects the long-term viability of the organization. The Vice President, Finance & Chief Financial Officer remains committed to ensuring that financial resources directly support the mission of providing exceptional patient care.

    Karen Surkala - Chief Operating Officer

    Karen Surkala, the Chief Operating Officer at Allegheny Health Network, manages the daily administrative and clinical workflows across the hospital network. Overseeing facility efficiency and resource allocation, the Chief Operating Officer ensures that medical teams possess the necessary tools to deliver high-quality care. This leadership role involves streamlining patient intake processes and optimizing hospital capacity to meet regional demand. By implementing advanced operational protocols, Karen Surkala improves the speed and effectiveness of diagnostic services. The Chief Operating Officer collaborates with department heads to maintain rigorous safety standards and operational excellence. Through constant monitoring of hospital throughput and staff utilization, Surkala drives significant improvements in patient satisfaction and clinical outcomes. The Chief Operating Officer remains focused on scaling infrastructure to support the growing healthcare needs of the community while maintaining the highest standards of medical service.
    Karen Surkala

    Dylan Deglau - Chief of Staff To the President and Director of Strategic Operations

    Dylan Deglau, the Chief of Staff To the President and Director of Strategic Operations at Allegheny Health Network, coordinates high-level initiatives between the executive office and clinical departments. Overseeing the execution of strategic projects, the Chief of Staff To the President and Director of Strategic Operations ensures that organizational goals align with patient care priorities. This leadership role involves facilitating communication across the C-suite to streamline decision-making processes. By managing complex operational workflows, Dylan Deglau drives the implementation of new medical programs and research initiatives. The Chief of Staff To the President and Director of Strategic Operations monitors progress on key performance indicators to ensure accountability. Through proactive problem-solving and resource coordination, Deglau supports the President in achieving long-term growth. The Chief of Staff To the President and Director of Strategic Operations maintains focus on operational excellence to enhance the overall impact of the network.

    Damian Tero - Regional Chief Marketing Officer, Office Division & General Pediatrician

    Damian Tero, the Regional Chief Marketing Officer, Office Division & General Pediatrician at Allegheny Health Network, directs the brand strategy and community outreach efforts for the pediatric division. Overseeing patient engagement and service awareness, the Regional Chief Marketing Officer, Office Division & General Pediatrician ensures that families understand the full scope of available medical care. This leadership role involves bridging the gap between clinical pediatric services and public health communication. By leveraging medical expertise as a pediatrician, Damian Tero crafts messaging that emphasizes the importance of preventative care and early diagnosis. The Regional Chief Marketing Officer, Office Division & General Pediatrician collaborates with regional teams to expand the reach of pediatric programs. Through targeted marketing campaigns, Tero drives patient volume and strengthens the reputation of the network. The Regional Chief Marketing Officer, Office Division & General Pediatrician remains dedicated to improving health outcomes for children across the region.

    Shawn Marek - Chief of Staff & Chief Quality Officer

    Shawn Marek, the Chief of Staff & Chief Quality Officer at Allegheny Health Network, directs the clinical quality standards and administrative coordination across the system. Overseeing patient safety protocols and quality improvement initiatives, the Chief of Staff & Chief Quality Officer ensures that all medical practices meet rigorous benchmarks. This leadership role involves analyzing clinical data to identify areas for improvement in diagnosis and treatment. By fostering a culture of continuous learning, Shawn Marek drives the adoption of best practices in patient care. The Chief of Staff & Chief Quality Officer collaborates with medical staff to reduce errors and enhance the overall patient experience. Through systematic review of quality metrics, Marek ensures that the network maintains its reputation for excellence. The Chief of Staff & Chief Quality Officer remains focused on achieving superior health outcomes through evidence-based medicine and operational precision.
    Shawn Marek

    Nicole LoCascio - Chief of Staff To the Chief Medical Officer and Director of Strategic Operations

    Nicole LoCascio, the Chief of Staff To the Chief Medical Officer and Director of Strategic Operations at Allegheny Health Network, manages the strategic alignment of clinical operations under the Chief Medical Officer. Overseeing the implementation of medical policies, the Chief of Staff To the Chief Medical Officer and Director of Strategic Operations ensures that clinical teams operate in accordance with the latest research and safety standards. This leadership role involves coordinating complex projects that integrate new medical technologies into daily practice. By facilitating communication between the medical office and operational departments, Nicole LoCascio drives efficiency in patient care delivery. The Chief of Staff To the Chief Medical Officer and Director of Strategic Operations monitors operational performance to support the strategic vision of the network. Through meticulous planning and execution, LoCascio ensures that clinical initiatives achieve their intended impact on patient health and organizational growth.

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    Frequently Asked Questions Regarding Allegheny Health Network Top Executives and Leadership Team

    Who leads Allegheny Health Network?
    Allegheny Health Network is led by Mark Sevco (President & Chief Executive Officer), along with executives such as Diane Hoak-Hutchison (Chief Financial Officer) and Edward Roeber (Interim Chief Financial Officer).
    Who is part of Allegheny Health Network’s executive team?
    The executive team of Allegheny Health Network includes leaders such as Mark Sevco (President & Chief Executive Officer), Diane Hoak-Hutchison (Chief Financial Officer), Edward Roeber (Interim Chief Financial Officer) and other senior executives.
    How many executives does Allegheny Health Network have?
    Allegheny Health Network has 10 executives leading key business areas.
    What roles are included in Allegheny Health Network’s leadership team?
    The leadership team of Allegheny Health Network includes roles such as President & Chief Executive Officer, Chief Financial Officer, Interim Chief Financial Officer, Chief Financial Officer, Ahn Allegheny General & Penn Hospitals (West), Vice President, Finance & Chief Financial Officer.