Stony Brook Medicine Executive and Leadership Team

July, 2026

Leadership Overview

Stony Brook Medicine has 10 executives leading key functions including technology, revenue, operations, medical affairs, and human resources.

Driven by a commitment to patient care, Stony Brook Medicine upholds a tradition of exceptional service and compassion, extending its reach through a comprehensive network of facilities and community partnerships to ensure accessible healthcare on the East End.

Leadership Roles at Stony Brook Medicine

  • Office of Chief Operating Officer - Nadia Cerro
  • President, Chapter Uup Stony Brook Health Sciences Center Chapter - Bruce Kube
  • President of RSOM Faculty Senate - Andrew Feit
  • President, Stony Brook Community Medical, P C & Meeting House Lane - Konstantinos Spaniolas
  • Chief Technology Officer - Dennis Gallagher
  • Chief Revenue Officer - Brian Fullerton
  • Senior Executive Assistant To Chief Human Resources Officer - Annmarie Anderson
  • Chief of Staff To the Executive Vice President of Stony Brook Medicine - Michael Arens
  • Chief Medical Officer - Johnathan Buscaglia
  • Associate Chief Medical Officer - Sadia Abbasi
  • Nadia Cerro - Office of Chief Operating Officer

    Nadia Cerro, in the Office of Chief Operating Officer at Stony Brook Medicine, supports the strategic execution of daily operations and ensures the efficient delivery of healthcare services across all facilities. Cerro focuses on optimizing operational workflows, enhancing patient throughput, and managing resource allocation to meet the demands of a comprehensive healthcare network. This role involves coordinating interdepartmental efforts, implementing process improvements, and ensuring adherence to quality standards and regulatory requirements. By streamlining operational procedures and fostering a culture of continuous improvement, Nadia Cerro contributes to enhanced patient satisfaction and operational excellence. The Office of Chief Operating Officer's responsibilities include overseeing facility management, supply chain logistics, and ensuring the effective functioning of satellite locations from Westhampton to Montauk, directly supporting the organization's mission of accessible, high-quality care.

    Bruce Kube - President, Chapter Uup Stony Brook Health Sciences Center Chapter

    Bruce Kube, the President, Chapter Uup Stony Brook Health Sciences Center Chapter, leads advocacy and representation efforts for faculty and professional staff within the Stony Brook Health Sciences Center. Kube champions the interests of chapter members, addressing issues related to working conditions, professional development, and collective bargaining. This role involves engaging with university administration to negotiate fair contracts and promote a supportive work environment. By fostering strong communication channels and advocating for member rights, Bruce Kube ensures that the faculty and professional staff are recognized and valued. The President's leadership is crucial for maintaining a collaborative atmosphere and advancing the professional well-being of individuals contributing to Stony Brook Medicine's educational and clinical missions.

    Andrew Feit - President of RSOM Faculty Senate

    Andrew Feit, the President of RSOM Faculty Senate, leads the faculty governance body for the Renaissance School of Medicine at Stony Brook University, advocating for faculty interests and academic standards. Feit facilitates communication between the faculty and the medical school administration, addressing critical issues related to curriculum, research, and faculty welfare. This leadership position involves organizing senate meetings, representing faculty perspectives in policy discussions, and promoting a collaborative academic environment. By ensuring faculty voices are heard and considered in decision-making processes, Andrew Feit contributes to the continued excellence and advancement of medical education and research at Stony Brook. The President's role is essential for maintaining a robust and responsive academic community within the Renaissance School of Medicine.

    Konstantinos Spaniolas - President, Stony Brook Community Medical, P C & Meeting House Lane

    Konstantinos Spaniolas, the President, Stony Brook Community Medical, P C & Meeting House Lane, directs the strategic operations and clinical services for these affiliated medical entities. Spaniolas oversees the integration of community-based healthcare services, ensuring seamless patient access and high-quality care delivery across multiple locations. This executive role involves managing physician groups, optimizing practice management, and fostering collaborative relationships with Stony Brook Medicine's broader network. By driving operational efficiency and enhancing patient engagement, Konstantinos Spaniolas strengthens the reach and impact of community-focused healthcare initiatives. The President's leadership is critical for expanding access to specialized medical services and maintaining the organization's commitment to serving the healthcare needs of the East End community.

    Dennis Gallagher - Chief Technology Officer

    Dennis Gallagher, the Chief Technology Officer at Stony Brook Medicine, directs the strategic implementation and oversight of all technological infrastructure and digital initiatives. Gallagher architects scalable and secure IT systems essential for supporting advanced medical research, patient care delivery, and administrative operations across the extensive network. This leadership role involves evaluating emerging technologies, driving innovation in health informatics, and ensuring robust cybersecurity measures to protect sensitive patient data. By optimizing digital workflows and enhancing data analytics capabilities, Dennis Gallagher directly supports operational efficiency and the advancement of medical services. The Chief Technology Officer's purview extends to managing technology budgets, fostering collaboration with external tech partners, and ensuring the seamless integration of new platforms to maintain Stony Brook Medicine's technological edge in the healthcare sector.
    Dennis Gallagher

    Brian Fullerton - Chief Revenue Officer

    Brian Fullerton, the Chief Revenue Officer at Stony Brook Medicine, spearheads all revenue-generating activities and financial strategies to ensure sustainable growth and operational viability. Fullerton analyzes market trends, identifies new revenue streams, and optimizes existing financial models to maximize income from patient services, research grants, and partnerships. This executive oversees billing, collections, and payer relations, ensuring compliance with healthcare regulations and maximizing reimbursement rates. By fostering strong relationships with insurance providers and developing innovative service offerings, Brian Fullerton drives financial performance and expands the organization's market reach. The Chief Revenue Officer's strategic focus includes enhancing patient access to care while maintaining fiscal responsibility, directly contributing to the long-term financial health and expansion of Stony Brook Medicine's healthcare services across the East End.
    Brian Fullerton

    Annmarie Anderson - Senior Executive Assistant To Chief Human Resources Officer

    Annmarie Anderson, the Senior Executive Assistant To Chief Human Resources Officer at Stony Brook Medicine, provides critical administrative and strategic support to the human resources leadership. Anderson manages complex scheduling, coordinates executive communications, and facilitates key HR initiatives to ensure the smooth functioning of the department. This role involves preparing reports, organizing meetings, and maintaining confidential records essential for HR operations. By ensuring efficient administrative processes, Annmarie Anderson enables the Chief Human Resources Officer to focus on strategic talent management, employee relations, and organizational development. The Senior Executive Assistant's support is vital for maintaining effective HR functions, including recruitment, retention, and employee engagement programs that underpin Stony Brook Medicine's commitment to its extensive team of physicians, nurses, and staff.

    Michael Arens - Chief of Staff To the Executive Vice President of Stony Brook Medicine

    Michael Arens, the Chief of Staff To the Executive Vice President of Stony Brook Medicine, acts as a key liaison and strategic advisor, facilitating the execution of high-level initiatives and operational directives. Arens manages critical projects, coordinates communications across executive teams, and ensures alignment with the Executive Vice President's strategic vision for the entire organization. This position involves analyzing complex issues, developing actionable recommendations, and overseeing the implementation of strategic plans across various departments. By providing comprehensive support and driving key priorities, Michael Arens enhances the effectiveness and reach of the Executive Vice President's leadership. The Chief of Staff's role is integral to advancing Stony Brook Medicine's mission, ensuring seamless operations and strategic progress throughout its extensive network of care providers and facilities.

    Johnathan Buscaglia - Chief Medical Officer

    Johnathan Buscaglia, the Chief Medical Officer at Stony Brook Medicine, directs clinical strategy and ensures the highest standards of patient care and medical excellence across the organization. Buscaglia oversees all medical staff, clinical departments, and quality improvement initiatives, driving evidence-based practices and patient safety protocols. This leadership role involves setting clinical policies, managing medical staff credentialing, and fostering a culture of continuous learning and professional development among healthcare providers. By championing clinical innovation and ensuring adherence to best practices, Johnathan Buscaglia directly impacts patient outcomes and the overall quality of medical services. The Chief Medical Officer's purview extends to medical education, research integration, and ensuring that Stony Brook Medicine remains at the forefront of medical advancements, providing compassionate and effective care throughout the East End.

    Sadia Abbasi - Associate Chief Medical Officer

    Sadia Abbasi, the Associate Chief Medical Officer at Stony Brook Medicine, collaborates with the Chief Medical Officer to enhance clinical operations and patient care quality. Abbasi supports the implementation of clinical policies, monitors healthcare outcomes, and contributes to quality improvement projects across various medical departments. This position involves working closely with physicians and clinical teams to ensure adherence to best practices and regulatory standards. By facilitating communication and driving initiatives aimed at improving patient safety and satisfaction, Sadia Abbasi plays a key role in advancing the medical mission. The Associate Chief Medical Officer's efforts are vital in supporting the strategic direction of clinical services, ensuring that Stony Brook Medicine consistently delivers exceptional and compassionate healthcare throughout its service areas.

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    Frequently Asked Questions Regarding Stony Brook Medicine Top Executives and Leadership Team

    Who leads Stony Brook Medicine?
    Stony Brook Medicine is led by Nadia Cerro (Office of Chief Operating Officer), along with executives such as Bruce Kube (President, Chapter Uup Stony Brook Health Sciences Center Chapter) and Andrew Feit (President of RSOM Faculty Senate).
    Who is part of Stony Brook Medicine’s executive team?
    The executive team of Stony Brook Medicine includes leaders such as Nadia Cerro (Office of Chief Operating Officer), Bruce Kube (President, Chapter Uup Stony Brook Health Sciences Center Chapter), Andrew Feit (President of RSOM Faculty Senate) and other senior executives.
    How many executives does Stony Brook Medicine have?
    Stony Brook Medicine has 10 executives leading key business areas.
    What roles are included in Stony Brook Medicine’s leadership team?
    The leadership team of Stony Brook Medicine includes roles such as Office of Chief Operating Officer, President, Chapter Uup Stony Brook Health Sciences Center Chapter, President of RSOM Faculty Senate, President, Stony Brook Community Medical, P C & Meeting House Lane, Chief Technology Officer.