Phoenix Children's Executive and Leadership Team

October, 2026

Leadership Overview

Phoenix Children's has 10 executives leading key functions including strategic oversight, clinical operations, information technology, and medical staff governance.

Committed to advancing pediatric healthcare excellence, Phoenix Children's delivers comprehensive specialty services across inpatient, outpatient, and emergency settings to improve health outcomes for children throughout the region.

Leadership Roles at Phoenix Children's

  • President & Chief Executive Officer - John Nickens
  • Chief Executive Officer, Emeritus, Children's (Phoenix) - Robert Meyer
  • Executive Vice President & Chief Operating Officer - Justin Bradshaw
  • President, Department of Medical Staff - Dustin Rayhorn
  • Residency House Staff President - Julia DeCelles-Zwerneman
  • Area President, East Valley Urgent Care - Doug Hobbs
  • Senior Vice President and Chief Information Officer - Brian Meyer
  • Chief Medical Officer - Michael Ritchey
  • Senior VP & Chief Legal Officer - Richard Siever
  • Senior Vice President, Hospital Based In Chief - Joshua Koch
  • John Nickens - President & Chief Executive Officer

    John Nickens, the President & Chief Executive Officer at Phoenix Children's, directs the overarching strategic vision for this freestanding pediatric facility. Overseeing the expansion of specialty services, the President & Chief Executive Officer ensures that inpatient, outpatient, and trauma care remain at the forefront of medical innovation. This leadership role involves constant collaboration with the Board to maintain financial health while scaling clinical capacity across the Southwest. By prioritizing patient-centered care models, John Nickens directly influences the quality of life for pediatric populations. Nickens maintains a focus on operational excellence, ensuring that every department aligns with the mission of providing world-class medical support. Through rigorous resource allocation and community engagement, the President & Chief Executive Officer secures the long-term sustainability of the hospital system, fostering an environment where advanced medical research meets compassionate, high-quality clinical practice.
    John Nickens

    Robert Meyer - Chief Executive Officer, Emeritus, Children's (Phoenix)

    Robert Meyer, the Chief Executive Officer, Emeritus, Children's (Phoenix) at Phoenix Children's, provides foundational guidance and historical context for current strategic initiatives. Supporting the transition of leadership, the Chief Executive Officer, Emeritus, Children's (Phoenix) offers deep institutional knowledge to ensure continuity in pediatric service delivery. This role involves advising on long-term growth strategies and maintaining relationships with key stakeholders across the healthcare landscape. By leveraging decades of experience, Robert Meyer assists in navigating complex regulatory environments and evolving market demands. Meyer contributes to the stability of the organization, ensuring that the core values of the hospital remain intact during periods of rapid expansion. Through this advisory capacity, the Chief Executive Officer, Emeritus, Children's (Phoenix) reinforces the commitment to excellence in emergency and urgent care, helping the leadership team maintain a consistent focus on the health and well-being of the pediatric patients served.

    Justin Bradshaw - Executive Vice President & Chief Operating Officer

    Justin Bradshaw, the Executive Vice President & Chief Operating Officer at Phoenix Children's, manages the daily operational workflows that sustain the hospital's high-volume clinical environment. Overseeing the logistics of inpatient and outpatient services, the Executive Vice President & Chief Operating Officer ensures that resources are allocated efficiently to meet patient demand. This leadership role involves streamlining processes within the emergency and trauma departments to reduce wait times and improve throughput. By coordinating across various clinical and administrative units, Justin Bradshaw maintains the operational integrity of the facility. Bradshaw focuses on optimizing supply chain management and facility utilization to support the broader mission of pediatric care. Through rigorous performance monitoring and process improvement initiatives, the Executive Vice President & Chief Operating Officer drives operational excellence, ensuring that the hospital remains a reliable and effective provider of specialty pediatric services for the entire region.
    Justin Bradshaw

    Dustin Rayhorn - President, Department of Medical Staff

    Dustin Rayhorn, the President, Department of Medical Staff at Phoenix Children's, represents the interests and professional standards of the medical practitioners within the hospital. Overseeing the credentialing and peer review processes, the President, Department of Medical Staff ensures that all clinicians adhere to the rigorous quality requirements of the institution. This leadership role involves facilitating communication between the medical staff and the executive team to align clinical goals with organizational strategy. By promoting professional development and collaborative practice, Dustin Rayhorn directly influences the morale and effectiveness of the medical team. Rayhorn manages the governance of the medical staff, ensuring that clinical policies are implemented consistently across all departments. Through this representative function, the President, Department of Medical Staff fosters a cohesive environment where physicians and specialists can deliver high-quality pediatric care, ultimately supporting the hospital's mission of excellence in medical service.

    Julia DeCelles-Zwerneman - Residency House Staff President

    Julia DeCelles-Zwerneman, the Residency House Staff President at Phoenix Children's, leads the representative body for residents and fellows within the hospital. Overseeing the educational and professional needs of the house staff, the Residency House Staff President ensures that training programs remain robust and supportive. This leadership role involves advocating for the well-being of trainees while facilitating communication with hospital administration regarding clinical rotations and educational resources. By fostering a collaborative environment, Julia DeCelles-Zwerneman directly impacts the quality of the learning experience for future pediatric specialists. DeCelles-Zwerneman manages the coordination of house staff activities, ensuring that residents are well-prepared to contribute to the hospital's clinical mission. Through this advocacy role, the Residency House Staff President supports the development of a highly skilled medical workforce, ensuring that the hospital continues to provide exceptional care while training the next generation of pediatric experts.

    Doug Hobbs - Area President, East Valley Urgent Care

    Doug Hobbs, the Area President, East Valley Urgent Care at Phoenix Children's, directs the expansion and operational success of urgent care services in the eastern region. Overseeing the performance of local clinics, the Area President, East Valley Urgent Care ensures that pediatric urgent care remains accessible and efficient for families. This leadership role involves managing regional staffing, facility maintenance, and patient service standards to meet the high demand for immediate care. By optimizing the regional footprint, Doug Hobbs directly impacts the hospital's ability to provide timely medical intervention. Hobbs coordinates with the central leadership team to ensure that urgent care services align with the broader hospital mission. Through the strategic management of regional operations, the Area President, East Valley Urgent Care drives growth and service quality, ensuring that the hospital maintains a strong presence and delivers consistent, high-quality pediatric care across the entire service area.

    Brian Meyer - Senior Vice President and Chief Information Officer

    Brian Meyer, the Senior Vice President and Chief Information Officer at Phoenix Children's, architects the digital infrastructure necessary for modern pediatric healthcare. Overseeing the integration of electronic health records and advanced diagnostic systems, the Senior Vice President and Chief Information Officer ensures data security and operational efficiency across all hospital departments. This leadership role involves deploying cutting-edge technology to support clinical decision-making and patient monitoring. By optimizing the digital ecosystem, Brian Meyer directly impacts the speed and accuracy of care delivery. Meyer manages the technical teams responsible for maintaining robust network connectivity, which is vital for emergency and trauma services. Through the implementation of scalable software solutions, the Senior Vice President and Chief Information Officer drives the digital transformation of the hospital, ensuring that medical staff have immediate access to critical patient information, thereby enhancing the overall quality of care provided to children.
    Brian Meyer

    Michael Ritchey - Chief Medical Officer

    Michael Ritchey, the Chief Medical Officer at Phoenix Children's, directs the clinical standards and medical practices across all pediatric specialties. Overseeing the recruitment and performance of the medical staff, the Chief Medical Officer ensures that patient care protocols meet the highest safety and quality benchmarks. This leadership role involves collaborating with department heads to integrate evidence-based medicine into daily practice. By fostering a culture of continuous learning and clinical excellence, Michael Ritchey directly impacts patient outcomes in trauma and urgent care settings. Ritchey manages the complex interplay between medical research and bedside care, ensuring that the latest advancements are accessible to patients. Through the oversight of clinical governance, the Chief Medical Officer maintains the hospital's reputation for superior pediatric outcomes, ensuring that every medical decision aligns with the overarching goal of providing comprehensive, compassionate, and effective healthcare to children.
    Richard Siever, the Senior VP & Chief Legal Officer at Phoenix Children's, directs the legal and regulatory affairs for the entire hospital system. Overseeing compliance with healthcare laws and institutional policies, the Senior VP & Chief Legal Officer ensures that all operations remain within the bounds of legal and ethical standards. This leadership role involves managing risk, negotiating contracts, and providing counsel on complex healthcare governance issues. By mitigating legal exposure, Richard Siever protects the interests of the hospital and its patients. Siever works closely with the executive team to ensure that strategic initiatives are legally sound and aligned with industry regulations. Through the oversight of legal operations, the Senior VP & Chief Legal Officer supports the hospital's ability to provide uninterrupted pediatric services, ensuring that the organization maintains its commitment to integrity and accountability in all aspects of its clinical and business operations.

    Joshua Koch - Senior Vice President, Hospital Based In Chief

    Joshua Koch, the Senior Vice President, Hospital Based In Chief at Phoenix Children's, leads the strategic management of hospital-based clinical services. Overseeing the integration of specialized pediatric units, the Senior Vice President, Hospital Based In Chief ensures that inpatient care remains highly responsive to patient needs. This leadership role involves coordinating with nursing and support staff to maintain high standards of care within the facility. By focusing on the optimization of hospital-based workflows, Joshua Koch directly enhances the efficiency of trauma and emergency response teams. Koch manages the operational aspects of the hospital environment, ensuring that all clinical areas are adequately staffed and equipped. Through the implementation of standardized care pathways, the Senior Vice President, Hospital Based In Chief drives improvements in patient safety and satisfaction, ensuring that the hospital remains a premier destination for pediatric specialty care.

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    Frequently Asked Questions Regarding Phoenix Children's Top Executives and Leadership Team

    Who leads Phoenix Children's?
    Phoenix Children's is led by John Nickens (President & Chief Executive Officer), along with executives such as Robert Meyer (Chief Executive Officer, Emeritus, Children's (Phoenix)) and Justin Bradshaw (Executive Vice President & Chief Operating Officer).
    Who is part of Phoenix Children's’s executive team?
    The executive team of Phoenix Children's includes leaders such as John Nickens (President & Chief Executive Officer), Robert Meyer (Chief Executive Officer, Emeritus, Children's (Phoenix)), Justin Bradshaw (Executive Vice President & Chief Operating Officer) and other senior executives.
    How many executives does Phoenix Children's have?
    Phoenix Children's has 10 executives leading key business areas.
    What roles are included in Phoenix Children's’s leadership team?
    The leadership team of Phoenix Children's includes roles such as President & Chief Executive Officer, Chief Executive Officer, Emeritus, Children's (Phoenix), Executive Vice President & Chief Operating Officer, President, Department of Medical Staff, Residency House Staff President.