Spire Orthopedic Partners Executive and Leadership Team

June, 2026

Leadership Overview

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

Driven by a commitment to physician empowerment, Spire Orthopedic Partners provides essential infrastructure for administrative operations, enabling practices to achieve peak performance and allowing physicians to dedicate their focus to superior 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 architects the organizational framework that supports physicians in developing and expanding their practices for sustained future success. This leadership role involves guiding the management services organization's operational resources to ensure practices function at optimal efficiency, thereby empowering physicians to prioritize patient care. The Chief Executive Officer's vision extends across the network's presence, from Connecticut to New York and Boston, encompassing over 100 physicians and 23 locations. Shaden Marzouk ensures alignment with the founding partners' century-long legacy while driving innovation and expansion within the orthopedic sector.
    Shaden Marzouk

    Leigh Herzog - Chief Operating Officer

    Leigh Herzog, the Chief Operating Officer at Spire Orthopedic Partners, manages the day-to-day operational execution and resource allocation across the organization's extensive network. Herzog ensures that the infrastructure supporting administrative functions operates at peak performance, enabling physicians to concentrate fully on patient care. This involves optimizing workflows, enhancing operational efficiencies, and overseeing the integration of new practices into the Spire model. The Chief Operating Officer plays a pivotal part in scaling the organization's support services to meet the demands of a growing partnership spanning multiple states. Leigh Herzog's leadership ensures the seamless functioning of Spire's 23 locations and supports the 970 employees dedicated to practice management.
    Leigh Herzog

    Steven Xenos - Chief Information Officer

    Steven Xenos, the Chief Information Officer at Spire Orthopedic Partners, oversees the entire technology infrastructure and digital strategy essential for practice growth and operational excellence. Xenos drives the implementation of advanced IT solutions that enhance administrative efficiency and support the delivery of high-quality patient care across the network. This involves managing data security, optimizing electronic health record systems, and exploring innovative technological advancements to streamline operations. The Chief Information Officer ensures that all technological resources are aligned with Spire's mission to provide robust support to its partner practices. Steven Xenos's expertise is critical in maintaining a competitive edge and fostering a seamless digital environment for physicians and staff throughout the Northeast region.
    Steven Xenos

    Nicole Monsky - Chief Marketing Officer

    Nicole Monsky, the Chief Marketing Officer at Spire Orthopedic Partners, directs all strategic marketing initiatives and brand development for the growing national partnership. Monsky crafts and executes campaigns designed to enhance Spire's market presence and support the growth objectives of its affiliated orthopedic practices. This role involves identifying key market opportunities, developing targeted outreach strategies, and ensuring consistent brand messaging across all platforms. The Chief Marketing Officer collaborates closely with practice leadership to drive patient acquisition and strengthen physician recruitment efforts. Nicole Monsky's efforts are instrumental in communicating the value proposition of Spire Orthopedic Partners to both patients and potential practice partners throughout the Northeast.
    Nicole Monsky

    Stacey Zeltner - Chief People Officer

    Stacey Zeltner, the Chief People Officer at Spire Orthopedic Partners, leads all human capital strategies and talent management initiatives across the organization. Zeltner develops and implements programs focused on attracting, retaining, and developing the 970 employees who support Spire's partner practices. This involves fostering a positive and productive work environment, overseeing compensation and benefits, and ensuring compliance with all labor regulations. The Chief People Officer plays a crucial role in building a strong organizational culture that aligns with Spire's mission of empowering physicians and supporting exceptional patient care. Stacey Zeltner's leadership ensures that Spire Orthopedic Partners has the skilled and dedicated workforce necessary for continued growth and operational success.

    David Hergan - Chief Medical Officer

    David Hergan, the Chief Medical Officer at Spire Orthopedic Partners, provides critical clinical leadership and ensures the highest standards of patient care across the network. Hergan guides the medical strategy, focusing on clinical excellence, quality improvement, and the integration of best practices within orthopedic medicine. This role involves collaborating with physicians to enhance patient outcomes and optimize clinical operations throughout the 23 locations. The Chief Medical Officer serves as a key liaison between the clinical teams and the management services organization, ensuring that operational support directly benefits patient care delivery. David Hergan's medical expertise is vital in upholding Spire's commitment to physician-led, patient-centered orthopedic services.
    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.