Montefiore Nyack Executive and Leadership Team

July, 2026

Leadership Overview

Montefiore Nyack has 4 executives leading key functions including strategy, clinical operations, information management, and executive leadership.

Driven by a commitment to patient care, Montefiore Nyack operates as a leading medical and surgical hospital, dedicated to advancing healthcare services within its community and beyond.

Leadership Roles at Montefiore Nyack

  • President & Chief Executive Officer - Mark Geller
  • President - Michal Tracz
  • Vice President & Chief Medical Officer - Anthony Matejicka
  • Cim - Liji Joseph
  • Mark Geller - President & Chief Executive Officer

    Mark Geller, the President & Chief Executive Officer at Montefiore Nyack, directs the overall strategic vision and operational execution for the hospital. Geller oversees all major departments, ensuring alignment with the organization's mission to provide comprehensive medical and surgical care. This leadership position involves driving growth initiatives and maintaining the hospital's commitment to high-quality patient outcomes. By fostering a culture of excellence, Mark Geller ensures Montefiore Nyack remains a trusted healthcare provider in Nyack, New York. The President & Chief Executive Officer's responsibilities extend to financial oversight and long-term planning, securing the hospital's stability and capacity to serve the community effectively. Geller's strategic direction guides the hospital's response to evolving healthcare landscapes and patient needs.

    Michal Tracz - President

    Michal Tracz, the President at Montefiore Nyack, drives strategic initiatives and operational excellence across the hospital. Tracz focuses on enhancing the hospital's service offerings and expanding its reach within the healthcare market. This leadership position involves fostering key partnerships and ensuring the hospital's continued growth and development. The President works to align departmental objectives with the overarching mission of providing high-quality medical and surgical care. By championing strategic planning, Michal Tracz strengthens Montefiore Nyack's position as a leading healthcare institution. Tracz's leadership ensures the hospital adapts to industry changes and meets the evolving needs of the community it serves.

    Anthony Matejicka - Vice President & Chief Medical Officer

    Anthony Matejicka, the Vice President & Chief Medical Officer at Montefiore Nyack, leads all clinical operations and medical staff. Matejicka ensures the delivery of exceptional patient care by setting and enforcing the highest standards of medical practice. This role involves direct oversight of physician teams, clinical protocols, and quality improvement initiatives across all medical services. The Vice President & Chief Medical Officer collaborates closely with hospital administration to integrate clinical strategy with organizational goals, focusing on patient safety and effective treatment modalities. By championing evidence-based medicine, Anthony Matejicka enhances the hospital's reputation for advanced surgical and medical procedures. Matejicka's leadership ensures that Montefiore Nyack's clinical services meet the complex health needs of the region.

    Liji Joseph - Cim

    Liji Joseph, the Cim at Montefiore Nyack, manages critical information systems and technology infrastructure. Joseph ensures the seamless operation of all digital platforms supporting patient care, administrative functions, and data management. This role is vital for maintaining the hospital's technological advancement and data security. The Cim oversees the implementation of new systems and the optimization of existing ones, directly impacting operational efficiency and patient record integrity. By driving innovation in information technology, Liji Joseph supports Montefiore Nyack's commitment to modern healthcare delivery. Joseph's expertise ensures that the hospital leverages technology to enhance patient safety and streamline clinical workflows.

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    Frequently Asked Questions Regarding Montefiore Nyack Top Executives and Leadership Team

    Who leads Montefiore Nyack?
    Montefiore Nyack is led by Mark Geller (President & Chief Executive Officer), along with executives such as Michal Tracz (President) and Anthony Matejicka (Vice President & Chief Medical Officer).
    Who is part of Montefiore Nyack’s executive team?
    The executive team of Montefiore Nyack includes leaders such as Mark Geller (President & Chief Executive Officer), Michal Tracz (President), Anthony Matejicka (Vice President & Chief Medical Officer) and other senior executives.
    How many executives does Montefiore Nyack have?
    Montefiore Nyack has 4 executives leading key business areas.
    What roles are included in Montefiore Nyack’s leadership team?
    The leadership team of Montefiore Nyack includes roles such as President & Chief Executive Officer, President, Vice President & Chief Medical Officer, Cim.