Main Line Health Executive and Leadership Team

June, 2026

Leadership Overview

Main Line Health has 10 executives leading key functions including strategy, finance, information technology, human resources, and medical operations.

Driven by a commitment to community well-being, Main Line Health operates as a not-for-profit health system dedicated to providing exceptional acute care and rehabilitative services across Philadelphia and its western suburbs, impacting patient outcomes through integrated healthcare solutions.

Leadership Roles at Main Line Health

  • Chief Executive Officer - Chibuikem Emmanuel
  • Founder & Chief Executive Officer - Michael Silverberg
  • President & Chief Executive Officer - Edward Jimenez
  • Chief Financial Officer - Tom Jones
  • Executive Vice President & Chief Financial Officer - Leigh Ehrlich
  • Executive Vice President & Chief Financial Officer - Michael Buongiorno
  • President - Gary Perecko
  • Senior Vice President, Chief Information Officer - Luke Olenoski
  • Senior Vice President, Chief Human Resources Officer - Teufel Pam
  • Chief Medical Officer - Jonathan Stallkamp
  • Chibuikem Emmanuel - Chief Executive Officer

    Chibuikem Emmanuel, the Chief Executive Officer at Main Line Health, directs the overarching strategic vision and operational framework for the entire health system. Emmanuel's leadership guides the integration of four acute care hospitals and a premier rehabilitative medicine facility, ensuring alignment with the organization's not-for-profit mission. This executive steers the company's market position within Philadelphia and its western suburbs, focusing on enhancing patient care delivery and fostering innovation in healthcare services. Emmanuel's responsibilities encompass driving growth initiatives, optimizing resource allocation across all facilities, and maintaining the highest standards of clinical excellence. The Chief Executive Officer's role is pivotal in shaping Main Line Health's response to evolving healthcare landscapes and community needs, ensuring sustainable operations and continued impact on regional health outcomes. Emmanuel's strategic direction solidifies the system's commitment to accessible, high-quality medical care for the communities served.

    Michael Silverberg - Founder & Chief Executive Officer

    Michael Silverberg, the Founder & Chief Executive Officer at Main Line Health, establishes the foundational principles and long-term strategic direction for the health system. Silverberg's initial vision drives the integration of Main Line Health's core components: four respected acute care hospitals and a leading rehabilitative medicine facility. This executive oversees the strategic expansion and operational integrity of the system, ensuring its not-for-profit mission is consistently upheld across Philadelphia and its western suburbs. Silverberg's leadership focuses on cultivating a culture of excellence, innovation, and compassionate care. The Founder & Chief Executive Officer's purview includes fostering key relationships with stakeholders, guiding major capital investments, and ensuring the organization's sustained impact on community health. Michael Silverberg's enduring influence shapes the system's commitment to advancing healthcare services and patient well-being through strategic foresight and dedicated leadership.

    Edward Jimenez - President & Chief Executive Officer

    Edward Jimenez, the President & Chief Executive Officer at Main Line Health, executes the comprehensive strategic and operational plans for the health system. Jimenez directs the integration and performance of Main Line Health's four acute care hospitals and its premier rehabilitative medicine facility, ensuring seamless patient care across Philadelphia and its western suburbs. This executive's responsibilities include driving operational efficiency, fostering clinical innovation, and maintaining the organization's strong not-for-profit standing. Edward Jimenez oversees the strategic deployment of resources to meet the evolving healthcare needs of the communities served, focusing on enhancing patient outcomes and expanding access to quality medical services. The President & Chief Executive Officer's role is critical in navigating the complexities of the healthcare industry, championing advancements in patient care, and ensuring the long-term sustainability and growth of the health system. Jimenez's leadership solidifies Main Line Health's commitment to excellence in healthcare delivery.

    Tom Jones - Chief Financial Officer

    Tom Jones, the Chief Financial Officer at Main Line Health, directs the financial strategy and fiscal operations for the entire health system. Jones oversees the budgeting, financial planning, and reporting processes for Main Line Health's four acute care hospitals and its rehabilitative medicine facility, ensuring fiscal responsibility and sustainability. This executive manages investment strategies, revenue cycle management, and cost containment initiatives across the organization's operations in Philadelphia and its western suburbs. Tom Jones's financial acumen is crucial for supporting the system's not-for-profit mission and its commitment to providing accessible, high-quality healthcare. The Chief Financial Officer's role involves close collaboration with other C-suite leaders to align financial resources with strategic objectives, driving operational efficiency and long-term financial health. Jones's stewardship ensures the robust financial foundation necessary for Main Line Health to continue its vital community service.

    Leigh Ehrlich - Executive Vice President & Chief Financial Officer

    Leigh Ehrlich, the Executive Vice President & Chief Financial Officer at Main Line Health, spearheads the financial architecture and fiscal management of the health system. Ehrlich directs the financial planning, analysis, and reporting functions, ensuring the economic viability of Main Line Health's four acute care hospitals and its rehabilitative medicine center. This executive oversees capital allocation, risk management, and the optimization of financial performance across the system's service areas in Philadelphia and its western suburbs. Leigh Ehrlich's strategic financial leadership supports the organization's not-for-profit mission and its dedication to delivering exceptional patient care. The Executive Vice President & Chief Financial Officer's responsibilities include fostering strong financial controls, driving revenue growth, and ensuring compliance with all financial regulations. Ehrlich's expertise is vital for sustaining Main Line Health's operational excellence and its capacity for future growth and innovation in healthcare services.

    Michael Buongiorno - Executive Vice President & Chief Financial Officer

    Michael Buongiorno, the Executive Vice President & Chief Financial Officer at Main Line Health, leads the financial operations and strategic fiscal planning for the health system. Buongiorno oversees the financial health of Main Line Health's four acute care hospitals and its rehabilitative medicine facility, ensuring robust management of budgets, investments, and revenue cycles. This executive drives financial performance and sustainability, supporting the organization's not-for-profit mission and its commitment to providing accessible healthcare across Philadelphia and its western suburbs. Michael Buongiorno's responsibilities include developing financial models, managing risk, and ensuring compliance with all regulatory requirements. The Executive Vice President & Chief Financial Officer's strategic insights are vital for guiding capital expenditures, optimizing operational costs, and securing the financial resources necessary for Main Line Health's continued growth and service to the community. Buongiorno's financial leadership underpins the system's operational integrity.
    Michael Buongiorno

    Gary Perecko - President

    Gary Perecko, the President at Main Line Health, oversees the operational leadership and strategic direction for key components of the health system. Perecko directs the day-to-day management and performance of Main Line Health's acute care hospitals and its rehabilitative medicine facility, ensuring alignment with the overall organizational goals. This executive focuses on enhancing patient experience, optimizing clinical operations, and driving service line growth across Philadelphia and its western suburbs. Gary Perecko's leadership is instrumental in fostering a culture of excellence and innovation among clinical and administrative staff, supporting the system's not-for-profit mission. The President's responsibilities include managing inter-departmental collaboration, implementing strategic initiatives, and ensuring the highest standards of care delivery. Perecko's operational acumen is vital for Main Line Health's sustained success and its commitment to community health and well-being.

    Luke Olenoski - Senior Vice President, Chief Information Officer

    Luke Olenoski, the Senior Vice President, Chief Information Officer at Main Line Health, architects the information technology strategy and infrastructure for the health system. Olenoski oversees the development and implementation of all technology solutions, including electronic health records, data analytics, and cybersecurity measures across Main Line Health's hospitals and facilities. This executive drives digital transformation initiatives, enhancing operational efficiency and patient care delivery throughout Philadelphia and its western suburbs. Luke Olenoski's leadership ensures that technology supports the organization's not-for-profit mission and its commitment to providing advanced medical services. The Senior Vice President, Chief Information Officer's role involves managing IT budgets, leading technology teams, and fostering innovation in digital health. Olenoski's strategic vision for information systems is critical for Main Line Health's continued success and its ability to adapt to the evolving technological landscape in healthcare.

    Teufel Pam - Senior Vice President, Chief Human Resources Officer

    Teufel Pam, the Senior Vice President, Chief Human Resources Officer at Main Line Health, directs the comprehensive human capital strategy for the health system. Pam oversees all aspects of workforce management, including talent acquisition, employee relations, compensation and benefits, and organizational development across Main Line Health's facilities. This executive is responsible for cultivating a positive and productive work environment that supports the organization's not-for-profit mission and its commitment to exceptional patient care in Philadelphia and its western suburbs. Teufel Pam's leadership focuses on attracting, retaining, and developing a skilled and dedicated workforce essential for delivering high-quality healthcare services. The Senior Vice President, Chief Human Resources Officer's role involves ensuring compliance with labor laws, promoting diversity and inclusion, and implementing HR policies that align with Main Line Health's strategic goals. Pam's expertise is crucial for fostering employee engagement and supporting the system's operational excellence.

    Jonathan Stallkamp - Chief Medical Officer

    Jonathan Stallkamp, the Chief Medical Officer at Main Line Health, directs the clinical strategy and medical operations across the health system. Stallkamp oversees the quality of patient care, clinical outcomes, and the implementation of evidence-based medical practices within Main Line Health's four acute care hospitals and its rehabilitative medicine facility. This executive champions initiatives focused on patient safety, clinical excellence, and the integration of advanced medical technologies throughout Philadelphia and its western suburbs. Jonathan Stallkamp's leadership ensures that medical staff adhere to the highest standards of care, supporting the organization's not-for-profit mission. The Chief Medical Officer's role involves collaborating with hospital leadership and physicians to enhance clinical workflows, drive medical research, and foster a culture of continuous improvement. Stallkamp's medical expertise is critical for Main Line Health's commitment to delivering superior patient outcomes and advancing healthcare innovation.

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    Frequently Asked Questions Regarding Main Line Health Top Executives and Leadership Team

    Who leads Main Line Health?
    Main Line Health is led by Chibuikem Emmanuel (Chief Executive Officer), along with executives such as Michael Silverberg (Founder & Chief Executive Officer) and Edward Jimenez (President & Chief Executive Officer).
    Who is part of Main Line Health’s executive team?
    The executive team of Main Line Health includes leaders such as Chibuikem Emmanuel (Chief Executive Officer), Michael Silverberg (Founder & Chief Executive Officer), Edward Jimenez (President & Chief Executive Officer) and other senior executives.
    How many executives does Main Line Health have?
    Main Line Health has 10 executives leading key business areas.
    What roles are included in Main Line Health’s leadership team?
    The leadership team of Main Line Health includes roles such as Chief Executive Officer, Founder & Chief Executive Officer, President & Chief Executive Officer, Chief Financial Officer, Executive Vice President & Chief Financial Officer.