Jackson Health System Executive and Leadership Team

September, 2026

Leadership Overview

Jackson Health System has 10 executives leading key functions including strategy, financial oversight, operational management, information technology, and clinical governance.

Committed to delivering comprehensive medical excellence, Jackson Health System prioritizes patient-centered care through advanced emergency services, specialized surgical interventions, and integrated rehabilitation programs across the Florida region.

Leadership Roles at Jackson Health System

  • Chief Executive Officer & President - David Zambrana
  • Chief of Staff To the Chief Executive Officer of Jackson Health System and Vice President, Government Relations - Esther Caravia-Abolila
  • Chief Financial Officer - Julie Dircks
  • Chief Financial Officer & Chief Operating Officer - Alberto Aboud
  • Executive Vice President & Chief Financial Officer - Mark Knight
  • Associate Chief Operating Officer - Jorge Alvarez
  • Associate Chief Operating Officer - Craig Goldfarb
  • Senior VP & Chief Information Officer - Michael Garcia
  • Chief Medical Officer - O'Neil Pyke
  • Associate Chief Medical Officer - Andrew Ta
  • David Zambrana - Chief Executive Officer & President

    David Zambrana, the Chief Executive Officer & President at Jackson Health System, directs the overarching strategic vision for this expansive medical network. Overseeing the integration of emergency care, orthopedic surgery, and cardiovascular medicine, the Chief Executive Officer & President ensures alignment between clinical outcomes and institutional growth. This leadership role involves managing complex stakeholder relationships while driving high-level initiatives across the Miami market. By optimizing resource allocation, David Zambrana directly impacts the operational efficiency of the entire health system. Furthermore, the Chief Executive Officer & President maintains rigorous standards for patient safety and service delivery. Through constant evaluation of market trends and healthcare policy, Zambrana secures the long-term viability of the organization. This executive leadership ensures that the system remains a premier provider of specialized medical services, consistently meeting the evolving needs of the diverse patient population served by the institution.
    David Zambrana

    Esther Caravia-Abolila - Chief of Staff To the Chief Executive Officer of Jackson Health System and Vice President, Government Relations

    Esther Caravia-Abolila, the Chief of Staff To the Chief Executive Officer of Jackson Health System and Vice President, Government Relations at Jackson Health System, manages the strategic communication between the executive office and external stakeholders. Overseeing government relations and policy advocacy, the Chief of Staff To the Chief Executive Officer of Jackson Health System and Vice President, Government Relations ensures that the organization maintains a strong voice in the healthcare policy landscape. This leadership role involves navigating legislative environments to support the system's mission. By fostering relationships with public officials, Esther Caravia-Abolila directly impacts the regulatory and funding landscape for the health system. Furthermore, the Chief of Staff To the Chief Executive Officer of Jackson Health System and Vice President, Government Relations coordinates executive priorities to ensure organizational alignment. Through effective advocacy, Caravia-Abolila secures the necessary support for the continued delivery of comprehensive medical services across the region.

    Julie Dircks - Chief Financial Officer

    Julie Dircks, the Chief Financial Officer at Jackson Health System, manages the fiscal health and budgetary integrity of the organization. Overseeing capital allocation for radiology, rehabilitation, and pharmacy services, the Chief Financial Officer ensures that financial resources support the mission of providing high-quality care. This leadership role involves analyzing revenue cycles and cost-containment strategies to maintain institutional stability. By implementing robust financial controls, Julie Dircks directly impacts the ability of the system to invest in cutting-edge medical technology and facility upgrades. Furthermore, the Chief Financial Officer collaborates with clinical leadership to align departmental budgets with patient volume and service demand. Through meticulous oversight of financial reporting and compliance, Dircks mitigates fiscal risk while fostering sustainable growth. This executive function remains vital for the continued expansion of digestive health and behavioral health programs, ensuring that the system operates with maximum efficiency and transparency.

    Alberto Aboud - Chief Financial Officer & Chief Operating Officer

    Alberto Aboud, the Chief Financial Officer & Chief Operating Officer at Jackson Health System, balances fiscal management with the daily execution of clinical operations. Overseeing the intersection of financial performance and service delivery, the Chief Financial Officer & Chief Operating Officer optimizes workflows within the transplant and pain management departments. This leadership role involves streamlining administrative processes to enhance patient throughput and operational capacity. By integrating financial data into operational decision-making, Alberto Aboud directly impacts the productivity of the entire health system. Furthermore, the Chief Financial Officer & Chief Operating Officer coordinates with department heads to ensure that resource utilization aligns with strategic objectives. Through rigorous performance monitoring, Aboud drives improvements in service quality and cost-effectiveness. This dual-focused executive role ensures that the organization maintains a strong financial foundation while simultaneously delivering superior medical care across all specialized service lines.

    Mark Knight - Executive Vice President & Chief Financial Officer

    Mark Knight, the Executive Vice President & Chief Financial Officer at Jackson Health System, directs the long-term financial strategy and investment portfolio of the organization. Overseeing the financial planning for large-scale medical initiatives, the Executive Vice President & Chief Financial Officer ensures that the system maintains the liquidity required for future growth. This leadership role involves managing complex financial structures and ensuring compliance with regulatory standards. By providing strategic financial guidance, Mark Knight directly impacts the ability of the system to expand its cardiovascular medicine and transplant services. Furthermore, the Executive Vice President & Chief Financial Officer works with the board to align fiscal policy with the overarching mission of the health system. Through disciplined financial management, Knight secures the resources necessary for sustained excellence. This executive role remains critical for navigating the financial complexities of the healthcare industry while ensuring the long-term viability of the institution.
    Mark Knight

    Jorge Alvarez - Associate Chief Operating Officer

    Jorge Alvarez, the Associate Chief Operating Officer at Jackson Health System, focuses on the tactical execution of internal facility operations. Overseeing the daily management of support services and infrastructure, the Associate Chief Operating Officer ensures that clinical environments remain safe and fully functional. This leadership role involves optimizing the logistics of patient care delivery, specifically within the rehabilitation and emergency departments. By refining internal processes, Jorge Alvarez directly impacts the operational readiness of the system. Furthermore, the Associate Chief Operating Officer works closely with clinical staff to resolve bottlenecks and improve the overall patient experience. Through consistent oversight of facility maintenance and resource distribution, Alvarez supports the broader strategic goals of the organization. This executive role provides the necessary operational stability to allow medical professionals to focus exclusively on patient outcomes, ensuring that the system functions seamlessly across all its diverse service locations.

    Craig Goldfarb - Associate Chief Operating Officer

    Craig Goldfarb, the Associate Chief Operating Officer at Jackson Health System, manages the operational logistics of specialized medical service lines. Overseeing the coordination of orthopedic surgery and digestive health programs, the Associate Chief Operating Officer ensures that these departments maintain high standards of efficiency and patient throughput. This leadership role involves aligning clinical staffing with patient demand to maximize service availability. By implementing process improvements in surgical scheduling and outpatient care, Craig Goldfarb directly impacts the operational performance of these key service areas. Furthermore, the Associate Chief Operating Officer collaborates with medical directors to enhance the quality of care and patient satisfaction. Through meticulous attention to operational detail, Goldfarb supports the system's mission of providing comprehensive medical services. This executive function ensures that specialized departments operate at peak capacity, contributing to the overall success and reputation of the health system.

    Michael Garcia - Senior VP & Chief Information Officer

    Michael Garcia, the Senior VP & Chief Information Officer at Jackson Health System, architects the digital infrastructure necessary for modern healthcare delivery. Overseeing the implementation of electronic health records and secure data management systems, the Senior VP & Chief Information Officer ensures that clinical teams possess real-time access to critical patient information. This leadership role involves protecting sensitive health data while enabling technological innovation across all medical departments. By modernizing the digital landscape, Michael Garcia directly impacts the speed and accuracy of diagnostic services and patient care coordination. Furthermore, the Senior VP & Chief Information Officer collaborates with the executive team to integrate advanced analytics into the strategic planning process. Through the deployment of scalable IT solutions, Garcia supports the operational requirements of the entire network. This executive function remains essential for maintaining the technological edge required to provide world-class medical services in a competitive healthcare environment.
    Michael Garcia

    O'Neil Pyke - Chief Medical Officer

    O'Neil Pyke, the Chief Medical Officer at Jackson Health System, leads the clinical strategy and medical governance for the entire network. Overseeing the quality of care across all specialties, including behavioral health and cardiovascular medicine, the Chief Medical Officer ensures that clinical practices adhere to the highest standards of excellence. This leadership role involves mentoring medical staff and implementing evidence-based protocols to improve patient outcomes. By driving clinical innovation, O'Neil Pyke directly impacts the standard of care provided to the community. Furthermore, the Chief Medical Officer collaborates with the executive team to integrate clinical needs into the broader strategic vision of the system. Through rigorous oversight of medical performance, Pyke maintains the reputation of the institution as a leader in healthcare. This executive function remains essential for ensuring that the system consistently delivers safe, effective, and compassionate medical services to every patient.
    O'Neil Pyke

    Andrew Ta - Associate Chief Medical Officer

    Andrew Ta, the Associate Chief Medical Officer at Jackson Health System, supports the clinical leadership in managing the daily medical operations of the health system. Overseeing the implementation of clinical pathways in emergency care and rehabilitation, the Associate Chief Medical Officer ensures that medical teams operate with maximum efficiency and safety. This leadership role involves monitoring clinical performance metrics and facilitating interdisciplinary collaboration. By refining the delivery of medical services, Andrew Ta directly impacts the quality of patient care and the operational success of the clinical departments. Furthermore, the Associate Chief Medical Officer works with the Chief Medical Officer to address complex clinical challenges and improve patient satisfaction. Through active engagement with medical staff, Ta fosters a culture of continuous improvement and excellence. This executive role provides the necessary clinical oversight to ensure that the system remains at the forefront of medical service delivery.

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    Frequently Asked Questions Regarding Jackson Health System Top Executives and Leadership Team

    Who leads Jackson Health System?
    Jackson Health System is led by David Zambrana (Chief Executive Officer & President), along with executives such as Esther Caravia-Abolila (Chief of Staff To the Chief Executive Officer of Jackson Health System and Vice President, Government Relations) and Julie Dircks (Chief Financial Officer).
    Who is part of Jackson Health System’s executive team?
    The executive team of Jackson Health System includes leaders such as David Zambrana (Chief Executive Officer & President), Esther Caravia-Abolila (Chief of Staff To the Chief Executive Officer of Jackson Health System and Vice President, Government Relations), Julie Dircks (Chief Financial Officer) and other senior executives.
    How many executives does Jackson Health System have?
    Jackson Health System has 10 executives leading key business areas.
    What roles are included in Jackson Health System’s leadership team?
    The leadership team of Jackson Health System includes roles such as Chief Executive Officer & President, Chief of Staff To the Chief Executive Officer of Jackson Health System and Vice President, Government Relations, Chief Financial Officer, Chief Financial Officer & Chief Operating Officer, Executive Vice President & Chief Financial Officer.