Spire Orthopedic Partners Executive and Leadership Team

May, 2026

Leadership Overview

Spire Orthopedic Partners has 6 executives leading key functions including strategy, information technology, marketing, operations, human resources, and clinical operations.

Driven by a commitment to physician empowerment, Spire Orthopedic Partners provides essential infrastructure and capital, enabling orthopedic practices to achieve peak operational efficiency and focus exclusively on delivering exceptional patient care.

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 People Officer - Stacey Zeltner
  • Chief Medical Officer - David Hergan
  • Shaden Marzouk - Chief Executive Officer

    Shaden Marzouk, the Chief Executive Officer at Spire Orthopedic Partners, directs the overarching strategy and growth initiatives for the national partnership of orthopedic practices. Marzouk guides the organization's mission to provide essential support, capital, and operational resources that empower physicians to cultivate thriving practices. Overseeing the integration of new partner practices and ensuring alignment with Spire's core values, the Chief Executive Officer drives expansion across the Northeast region. This leadership role involves fostering a culture of innovation and operational excellence, directly impacting the ability of affiliated physicians to focus on high-level patient care. By championing strategic partnerships and resource allocation, Shaden Marzouk ensures Spire Orthopedic Partners maintains its position as a leading management services organization, supporting over 100 physicians and 23 locations.
    Shaden Marzouk

    Leigh Herzog - Chief Operating Officer

    Leigh Herzog, the Chief Operating Officer at Spire Orthopedic Partners, directs the day-to-day operational execution and administrative infrastructure that enables partner practices to function at their highest level. Herzog oversees the implementation of best practices in practice management, ensuring seamless integration of services and resources across the network's 23 locations. This critical role involves optimizing workflows, managing vendor relationships, and driving operational efficiencies that directly support physician productivity and patient satisfaction. The Chief Operating Officer ensures that the administrative support provided by Spire allows physicians to dedicate their full attention to patient care. By leading these operational efforts, Leigh Herzog is instrumental in scaling Spire's model and reinforcing its commitment to excellence throughout the Northeast.
    Leigh Herzog

    Steven Xenos - Chief Information Officer

    Steven Xenos, the Chief Information Officer at Spire Orthopedic Partners, architects and executes the technology strategy that underpins the organization's operational infrastructure. Xenos oversees the development and implementation of robust IT systems designed to enhance practice efficiency and support seamless patient care delivery across all 23 locations. This involves managing data security, optimizing electronic health records, and driving digital transformation initiatives that align with Spire's growth objectives. The Chief Information Officer ensures that technological advancements directly support the administrative operations, allowing physicians to concentrate on clinical excellence. By leading the IT department, Steven Xenos plays a critical part in maintaining the high level of service expected by partner practices and their patients throughout the Northeast corridor.
    Steven Xenos

    Nicole Monsky - Chief Marketing Officer

    Nicole Monsky, the Chief Marketing Officer at Spire Orthopedic Partners, develops and implements comprehensive marketing strategies to enhance brand visibility and drive practice growth across the network. Monsky directs all communication efforts, public relations, and digital marketing campaigns that highlight Spire's value proposition to both potential partner practices and the patient community. Overseeing market analysis and brand positioning, the Chief Marketing Officer ensures that Spire's message of physician empowerment and patient-centric care resonates effectively throughout Connecticut, New York, and Boston. This leadership function involves collaborating with practice leadership to tailor outreach initiatives and expand market reach. By leading these critical initiatives, Nicole Monsky supports the sustained growth and reputation of Spire Orthopedic Partners as a premier management services organization.
    Nicole Monsky

    Stacey Zeltner - Chief People Officer

    Stacey Zeltner, the Chief People Officer at Spire Orthopedic Partners, leads the human capital strategy, focusing on talent acquisition, development, and retention across the organization's growing network. Zeltner oversees the cultivation of a positive and productive work environment for the more than 970 employees, ensuring alignment with Spire's mission of supporting physician practices. This role involves developing comprehensive HR policies, managing employee relations, and implementing programs that foster professional growth and engagement. The Chief People Officer ensures that Spire's workforce is equipped with the skills and support necessary to deliver exceptional patient care and operational excellence. By championing people-centric initiatives, Stacey Zeltner reinforces Spire Orthopedic Partners' commitment to its employees and its partner practices.

    David Hergan - Chief Medical Officer

    David Hergan, the Chief Medical Officer at Spire Orthopedic Partners, provides critical clinical leadership and strategic direction to ensure the highest standards of patient care across the network. Hergan guides the clinical integration of partner practices, focusing on enhancing patient outcomes and physician satisfaction. This role involves overseeing clinical protocols, quality improvement initiatives, and ensuring adherence to best practices in orthopedic medicine throughout Connecticut, New York, and Boston. The Chief Medical Officer acts as a vital liaison between the administrative functions of Spire and the clinical expertise of its physicians, championing a patient-first approach. By leading clinical strategy, David Hergan ensures that Spire Orthopedic Partners remains dedicated to advancing orthopedic care and supporting its physician partners.
    David Hergan

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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 6 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 People Officer.