Radiology Partners Executive and Leadership Team

September, 2026

Leadership Overview

Radiology Partners has 10 executives leading key functions including clinical operations, human resources, legal strategy, and regional practice management.

Committed to advancing diagnostic excellence, Radiology Partners transforms healthcare delivery by integrating physician-led expertise with centralized administrative support to improve patient outcomes across the United States.

Leadership Roles at Radiology Partners

  • Chief Operating Officer - Tori Thompson
  • Interim Chief of Staff To the Interim Chief Operating Officer and Chief Marketing Officer - Ru Rodin
  • Chairman of The President's Council - W. F.
  • President, Acmo of Operations & Practice Rp Florida - Nicholas Waddell
  • Practice President - Diagnostic and Interventional Radiology - Jeffrey Zapawa
  • Radiology Partners Southern California Practice President - Carlos Ledezma
  • Chief Human Resources Officer - Jalie Cohen
  • Chief Legal Officer - John Pantazis
  • Associate Chief Medical Officer, Operations Western Region Radiology Partners - James Lyons
  • Associate Chief Medical Officer, Software Operations - Byron Christie
  • Tori Thompson - Chief Operating Officer

    Tori Thompson, the Chief Operating Officer at Radiology Partners, directs the daily clinical and administrative workflows across the national network. Overseeing the integration of local practices into the centralized support model, the Chief Operating Officer ensures consistent service delivery for hospitals and health systems. This leadership role involves optimizing diagnostic imaging throughput and refining operational efficiency to support high-volume clinical environments. By standardizing administrative processes, Thompson drives scalability across the entire organization. The Chief Operating Officer collaborates with regional leaders to maintain high standards of care while managing the complex logistics of a physician-led practice. Through rigorous oversight of resource allocation and technology implementation, Tori Thompson secures the operational foundation necessary for sustained growth in the competitive diagnostic imaging sector, ultimately enhancing the quality of clinical services provided to healthcare organizations throughout the United States.

    Ru Rodin - Interim Chief of Staff To the Interim Chief Operating Officer and Chief Marketing Officer

    Ru Rodin, the Interim Chief of Staff To the Interim Chief Operating Officer and Chief Marketing Officer at Radiology Partners, coordinates strategic initiatives and communication flows between executive leadership and operational teams. Facilitating the execution of corporate priorities, the Interim Chief of Staff To the Interim Chief Operating Officer and Chief Marketing Officer ensures that marketing objectives align with the clinical service delivery model. This leadership role involves managing cross-functional projects that enhance the visibility and reputation of the practice among hospitals and imaging centers. By streamlining internal processes, Rodin drives organizational agility and supports the leadership team in achieving growth targets. The Interim Chief of Staff To the Interim Chief Operating Officer and Chief Marketing Officer monitors key performance indicators to ensure that strategic goals remain on track. Through meticulous project management and stakeholder engagement, Ru Rodin optimizes the effectiveness of the executive office, contributing to the overall success of the national radiology network.

    W. F. - Chairman of The President's Council

    W. F., the Chairman of The President's Council at Radiology Partners, guides the strategic vision and long-term planning for the physician-led practice. Leading the council in evaluating market trends and clinical advancements, the Chairman of The President's Council ensures that the organization remains at the forefront of diagnostic imaging innovation. This leadership role involves fostering consensus among clinical leaders to drive the adoption of best practices across the national network. By aligning the council's objectives with the broader mission of the practice, W. F. drives the development of subspecialty expertise and clinical excellence. The Chairman of The President's Council works with the executive team to shape the future direction of the organization, ensuring that the practice continues to meet the needs of hospitals and health systems. Through visionary leadership and strategic guidance, W. F. strengthens the foundation of the practice, supporting its role as a leader in the healthcare industry.

    Nicholas Waddell - President, Acmo of Operations & Practice Rp Florida

    Nicholas Waddell, the President, Acmo of Operations & Practice Rp Florida at Radiology Partners, directs the clinical and operational performance of the Florida regional network. Overseeing the delivery of diagnostic imaging services to local hospitals and imaging centers, the President, Acmo of Operations & Practice Rp Florida ensures that clinical standards remain high across the region. This leadership role involves managing the integration of local radiologists into the national practice model while optimizing regional workflows. By driving operational efficiency and clinical quality, Waddell supports the growth of the practice within the competitive Florida market. The President, Acmo of Operations & Practice Rp Florida collaborates with other regional leaders to share best practices and leverage the organization's centralized support. Through effective management of regional resources and a focus on patient-centered care, Nicholas Waddell enhances the impact of the practice, ensuring that healthcare organizations in the region receive superior diagnostic interpretation and consultation services.

    Jeffrey Zapawa - Practice President - Diagnostic and Interventional Radiology

    Jeffrey Zapawa, the Practice President - Diagnostic and Interventional Radiology at Radiology Partners, manages the clinical and operational strategy for diagnostic and interventional services. Overseeing the delivery of specialized imaging and procedural care, the Practice President - Diagnostic and Interventional Radiology ensures that the practice provides comprehensive support to hospitals and imaging centers. This leadership role involves coordinating the efforts of radiologists and interventional specialists to maintain high standards of clinical performance. By driving the growth of interventional services, Zapawa enhances the value provided to healthcare organizations. The Practice President - Diagnostic and Interventional Radiology collaborates with regional and national leadership to implement best practices and improve patient outcomes. Through effective management of clinical resources and a focus on subspecialty expertise, Jeffrey Zapawa strengthens the practice's position as a leader in diagnostic and interventional radiology, ensuring that patients receive high-quality care across the national network.

    Carlos Ledezma - Radiology Partners Southern California Practice President

    Carlos Ledezma, the Radiology Partners Southern California Practice President at Radiology Partners, directs the clinical and administrative operations for the Southern California region. Overseeing the delivery of diagnostic imaging services to local health systems, the Radiology Partners Southern California Practice President ensures that the practice meets the specific needs of the regional market. This leadership role involves managing the integration of local radiologists and support teams into the national organization. By driving operational efficiency and clinical quality, Ledezma supports the growth of the practice in Southern California. The Radiology Partners Southern California Practice President collaborates with other regional leaders to leverage the organization's centralized support and subspecialty expertise. Through effective management of regional resources and a focus on patient-centered care, Carlos Ledezma enhances the impact of the practice, ensuring that healthcare organizations in the region receive superior diagnostic interpretation and consultation services.

    Jalie Cohen - Chief Human Resources Officer

    Jalie Cohen, the Chief Human Resources Officer at Radiology Partners, architects the talent acquisition and retention strategies for the national network of radiologists and clinical specialists. Managing the professional development and organizational culture, the Chief Human Resources Officer ensures alignment between workforce capabilities and the evolving needs of health systems. This leadership role involves designing comprehensive benefits and engagement programs that attract top-tier medical talent to the practice. By fostering a collaborative environment, Cohen drives high performance across diverse clinical teams. The Chief Human Resources Officer works closely with executive leadership to implement human capital initiatives that support the long-term mission of the organization. Through strategic workforce planning and the cultivation of a supportive professional culture, Jalie Cohen strengthens the internal infrastructure, ensuring that the practice maintains the subspecialty expertise required to deliver superior diagnostic imaging services to patients and healthcare partners nationwide.
    John Pantazis, the Chief Legal Officer at Radiology Partners, manages the legal framework and regulatory compliance for the national physician-led practice. Overseeing contract negotiations with hospitals and health systems, the Chief Legal Officer ensures that all clinical partnerships adhere to complex healthcare regulations. This leadership role involves mitigating risk and providing counsel on corporate governance and administrative policies. By navigating the legal landscape of diagnostic imaging, Pantazis drives the protection of the organization's interests while facilitating expansion into new markets. The Chief Legal Officer collaborates with the board and executive team to address legal challenges associated with large-scale healthcare operations. Through proactive legal strategy and meticulous attention to regulatory requirements, John Pantazis secures the stability of the practice, allowing the organization to focus on delivering high-quality diagnostic services and subspecialty expertise to healthcare organizations across the United States.
    John Pantazis

    James Lyons - Associate Chief Medical Officer, Operations Western Region Radiology Partners

    James Lyons, the Associate Chief Medical Officer, Operations Western Region Radiology Partners at Radiology Partners, oversees the clinical operations and quality assurance for the Western region. Directing the implementation of clinical protocols, the Associate Chief Medical Officer, Operations Western Region Radiology Partners ensures that diagnostic imaging services meet the highest standards of accuracy and efficiency. This leadership role involves managing the performance of radiologists and clinical teams to support the needs of hospitals and health systems across the Western United States. By optimizing clinical workflows and fostering subspecialty collaboration, Lyons drives the delivery of high-quality care. The Associate Chief Medical Officer, Operations Western Region Radiology Partners works with regional leadership to address operational challenges and improve service outcomes. Through rigorous clinical oversight and a commitment to excellence, James Lyons strengthens the regional practice, ensuring that healthcare organizations receive reliable and timely diagnostic expertise to support patient treatment decisions.

    Byron Christie - Associate Chief Medical Officer, Software Operations

    Byron Christie, the Associate Chief Medical Officer, Software Operations at Radiology Partners, leads the integration of advanced diagnostic software and technology into the clinical practice. Overseeing the deployment of imaging platforms, the Associate Chief Medical Officer, Software Operations ensures that radiologists have the tools necessary to provide accurate and efficient interpretations. This leadership role involves collaborating with IT and clinical teams to optimize software performance and enhance the diagnostic workflow. By driving the adoption of innovative technology, Christie supports the organization's commitment to clinical excellence and operational efficiency. The Associate Chief Medical Officer, Software Operations works with executive leadership to align technology investments with the strategic goals of the practice. Through the effective management of software operations, Byron Christie enables the organization to leverage data and technology to improve patient outcomes and provide superior diagnostic services to healthcare organizations across the United States.

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    Frequently Asked Questions Regarding Radiology Partners Top Executives and Leadership Team

    Who leads Radiology Partners?
    Radiology Partners is led by Tori Thompson (Chief Operating Officer), along with executives such as Ru Rodin (Interim Chief of Staff To the Interim Chief Operating Officer and Chief Marketing Officer) and W. F. (Chairman of The President's Council).
    Who is part of Radiology Partners’s executive team?
    The executive team of Radiology Partners includes leaders such as Tori Thompson (Chief Operating Officer), Ru Rodin (Interim Chief of Staff To the Interim Chief Operating Officer and Chief Marketing Officer), W. F. (Chairman of The President's Council) and other senior executives.
    How many executives does Radiology Partners have?
    Radiology Partners has 10 executives leading key business areas.
    What roles are included in Radiology Partners’s leadership team?
    The leadership team of Radiology Partners includes roles such as Chief Operating Officer, Interim Chief of Staff To the Interim Chief Operating Officer and Chief Marketing Officer, Chairman of The President's Council, President, Acmo of Operations & Practice Rp Florida, Practice President - Diagnostic and Interventional Radiology.