Spire Orthopedic Partners Executive and Leadership Team

September, 2026

Leadership Overview

Spire Orthopedic Partners has 8 executives leading key functions including strategy, technology, operations, marketing, legal, administration, clinical oversight, and human resources.

Committed to advancing musculoskeletal care, Spire Orthopedic Partners empowers physician-led practices through robust administrative infrastructure and capital resources to ensure superior patient outcomes across the Northeast.

Leadership Roles at Spire Orthopedic Partners

  • Chief Executive Officer - Shaden Marzouk
  • Chief Operating Officer - Leigh Herzog
  • Chief Information Officer - Steven Xenos
  • Chief Marketing Officer - Nicole Monsky
  • Chief Legal Officer - Karyn Thomas
  • Chief Administrative Officer - Jenny Robinson
  • Chief Medical Officer - David Hergan
  • Chief People Officer - Stacey Zeltner
  • Shaden Marzouk - Chief Executive Officer

    Shaden Marzouk, the Chief Executive Officer at Spire Orthopedic Partners, directs the overarching strategic vision for this national network of orthopedic practices. By aligning administrative resources with clinical goals, the Chief Executive Officer ensures that physicians maintain focus on high-quality patient care. Marzouk architects growth initiatives across the Northeast, expanding the footprint of the organization while maintaining the legacy of founding partners. This leadership role involves constant collaboration with the Board to secure capital and operational efficiency. Through the optimization of management services, Shaden Marzouk drives the long-term sustainability of the entire network. The Chief Executive Officer monitors market trends to identify expansion opportunities, ensuring that the organization remains a leader in the orthopedic sector. By fostering a culture of excellence, Marzouk strengthens the partnership between administrative teams and medical professionals, ultimately securing the future of independent orthopedic practice.
    Shaden Marzouk

    Leigh Herzog - Chief Operating Officer

    Leigh Herzog, the Chief Operating Officer at Spire Orthopedic Partners, oversees the daily administrative functions that allow orthopedic practices to operate at peak performance. The Chief Operating Officer manages the logistical integration of new locations, ensuring that operational standards remain consistent from Connecticut to Boston. By refining internal processes, Herzog maximizes the efficiency of the 970 employees within the network. This leadership role involves close cooperation with the Chief Medical Officer to align operational capacity with patient care requirements. Leigh Herzog drives the implementation of standardized management services, which allows physicians to focus exclusively on clinical outcomes. Through the continuous monitoring of regional performance metrics, the Chief Operating Officer identifies areas for improvement and resource allocation. Herzog ensures that the infrastructure provided by the organization supports the long-term growth and stability of every partner practice, maintaining the high standards expected of the network.
    Leigh Herzog

    Steven Xenos - Chief Information Officer

    Steven Xenos, the Chief Information Officer at Spire Orthopedic Partners, manages the digital infrastructure required to support over 100 physicians across 23 locations. The Chief Information Officer designs secure data systems that streamline administrative operations and enhance clinical workflows. By implementing advanced technology solutions, Xenos ensures that patient data remains accessible and protected throughout the Northeast network. This role requires constant coordination with other C-suite leaders to integrate new practices into the existing digital ecosystem. Steven Xenos drives the adoption of innovative software tools that improve operational efficiency and reduce administrative burdens for medical staff. Through the oversight of cybersecurity protocols and network reliability, the Chief Information Officer maintains the integrity of the organization's technical assets. Xenos prioritizes scalable solutions that support the rapid growth of the partnership, ensuring that technology remains a competitive advantage for every affiliated practice.
    Steven Xenos

    Nicole Monsky - Chief Marketing Officer

    Nicole Monsky, the Chief Marketing Officer at Spire Orthopedic Partners, develops the brand strategy that connects the network with patients across the Northeast. The Chief Marketing Officer architects communication campaigns that highlight the expertise of the 100-plus physicians within the organization. By managing the public image and market positioning, Monsky ensures that the partnership remains the preferred choice for orthopedic care. This role involves coordinating with regional practice leaders to promote specific services and locations effectively. Nicole Monsky drives growth by increasing brand awareness and patient engagement through targeted outreach initiatives. The Chief Marketing Officer analyzes market data to refine messaging and reach new demographics, supporting the overall expansion goals of the company. Through the creation of cohesive marketing materials, Monsky strengthens the reputation of the network, ensuring that the value proposition of the organization is clearly communicated to the public and potential new partners.
    Nicole Monsky
    Karyn Thomas, the Chief Legal Officer at Spire Orthopedic Partners, manages all regulatory compliance and legal affairs for the growing national partnership. The Chief Legal Officer provides guidance on complex healthcare laws, ensuring that every practice within the network adheres to industry standards. By overseeing contract negotiations and partnership agreements, Thomas protects the interests of the organization and its physicians. This role requires constant interaction with the Board and executive leadership to mitigate risk during expansion efforts across the Northeast. Karyn Thomas drives the development of internal policies that promote ethical conduct and operational transparency. The Chief Legal Officer monitors changes in the healthcare landscape to ensure that the organization remains compliant with evolving regulations. Through the management of legal documentation and dispute resolution, Thomas secures the stability of the partnership, allowing the network to focus on providing high-quality orthopedic care without legal disruption.
    Karyn Thomas

    Jenny Robinson - Chief Administrative Officer

    Jenny Robinson, the Chief Administrative Officer at Spire Orthopedic Partners, directs the centralized administrative functions that support the daily operations of the network. The Chief Administrative Officer manages the back-office infrastructure, including procurement, facility management, and administrative support services. By streamlining these essential processes, Robinson ensures that physicians can dedicate their time to patient care rather than business management. This role involves coordinating with regional managers to maintain high service standards across all 23 locations. Jenny Robinson drives the implementation of cost-saving measures and operational improvements that enhance the overall profitability of the partnership. The Chief Administrative Officer works closely with the executive team to align administrative resources with the strategic goals of the organization. Through the oversight of administrative staff and vendor relationships, Robinson maintains the operational foundation necessary for the continued growth and success of the entire orthopedic network.
    Jenny Robinson

    David Hergan - Chief Medical Officer

    David Hergan, the Chief Medical Officer at Spire Orthopedic Partners, oversees the clinical quality and medical standards across the entire network. The Chief Medical Officer leads initiatives to improve patient outcomes and ensures that all 100-plus physicians adhere to evidence-based practices. By fostering a culture of clinical excellence, Hergan supports the professional development of the medical staff. This role involves collaborating with the Chief Operating Officer to ensure that clinical workflows remain efficient and patient-centered. David Hergan drives the adoption of new medical technologies and treatment protocols that keep the organization at the forefront of orthopedic care. The Chief Medical Officer monitors clinical performance metrics to identify opportunities for improvement and maintains the high reputation of the network. Through the leadership of medical committees and peer review processes, Hergan ensures that the organization continues to provide superior care to patients throughout the Northeast.
    David Hergan

    Stacey Zeltner - Chief People Officer

    Stacey Zeltner, the Chief People Officer at Spire Orthopedic Partners, manages the human capital strategy for the 970 employees within the organization. The Chief People Officer directs talent acquisition, employee retention, and professional development programs to ensure a high-performing workforce. By fostering an inclusive and supportive culture, Zeltner aligns the needs of the staff with the mission of the partnership. This role involves working with leadership to design compensation structures and benefits that attract top talent in the competitive healthcare market. Stacey Zeltner drives initiatives that promote employee engagement and well-being, which are critical for maintaining the quality of patient care. The Chief People Officer oversees performance management systems and training programs that empower employees to excel in their roles. Through the development of robust human resources policies, Zeltner ensures that the organization remains a preferred employer, supporting the long-term growth and stability of the entire network.

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    Frequently Asked Questions Regarding Spire Orthopedic Partners Top Executives and Leadership Team

    Who leads Spire Orthopedic Partners?
    Spire Orthopedic Partners is led by Shaden Marzouk (Chief Executive Officer), along with executives such as Leigh Herzog (Chief Operating Officer) and Steven Xenos (Chief Information Officer).
    Who is part of Spire Orthopedic Partners’s executive team?
    The executive team of Spire Orthopedic Partners includes leaders such as Shaden Marzouk (Chief Executive Officer), Leigh Herzog (Chief Operating Officer), Steven Xenos (Chief Information Officer) and other senior executives.
    How many executives does Spire Orthopedic Partners have?
    Spire Orthopedic Partners has 8 executives leading key business areas.
    What roles are included in Spire Orthopedic Partners’s leadership team?
    The leadership team of Spire Orthopedic Partners includes roles such as Chief Executive Officer, Chief Operating Officer, Chief Information Officer, Chief Marketing Officer, Chief Legal Officer.