Priority Ambulance Executive and Leadership Team

September, 2026

Leadership Overview

Priority Ambulance has 7 executives leading key functions including operations, regional strategy, and human capital management.

Committed to clinical excellence across 12 states, Priority Ambulance delivers high-quality emergency and nonemergency medical transport through a vast network of local brands and advanced medical technology.

Leadership Roles at Priority Ambulance

  • President, Region (West) - Christopher Blach
  • Regional President - Reg James
  • Regional President - Dwayne Tullos
  • Regional President, Mid-Atlantic Region - David Abrams
  • Regional President - Sharon Schwarz
  • Chief Operations Officer - Phillip Koster
  • Chief People Officer, Priority Ondemand - Adrienne Huntley
  • Christopher Blach - President, Region (West)

    Christopher Blach, the President, Region (West) at Priority Ambulance, manages all medical transport operations throughout the western United States. Overseeing regional expansion and local brand integration, the President, Region (West) ensures that clinical services align with the specific needs of communities in Arizona and surrounding territories. This leadership role involves coordinating with local partners to maintain high-level emergency response capabilities while managing complex regulatory environments. By fostering strong relationships with healthcare facilities and municipal stakeholders, Christopher Blach secures the market position of the company in the West. Blach directs the implementation of standardized training programs for regional staff, ensuring that every paramedic and EMT delivers consistent, high-quality care. Through strategic oversight of regional assets and personnel, the President, Region (West) supports the broader organizational goal of providing reliable medical transport options across the national footprint, ultimately enhancing the overall impact of the company on patient health outcomes.

    Reg James - Regional President

    Reg James, the Regional President at Priority Ambulance, architects the strategic growth and operational success of medical transport services within designated territories. Overseeing the daily performance of local ambulance brands, the Regional President ensures that clinical excellence remains the primary focus for all field teams. This leadership role involves managing the complex logistics of emergency and nonemergency medical care while maintaining strict compliance with state-specific healthcare regulations. By optimizing the deployment of advanced medical equipment and technology, Reg James drives operational efficiency and improves response times for the communities served. James collaborates with other regional leaders to share best practices and scale successful service models across the national network. Through the effective management of regional personnel and resources, the Regional President supports the long-term financial stability and clinical reputation of the company, ensuring that every patient receives the highest level of care during critical transport situations.

    Dwayne Tullos - Regional President

    Dwayne Tullos, the Regional President at Priority Ambulance, manages the operational delivery of medical transport services within specific regional markets. Overseeing the integration of local EMS brands, the Regional President ensures that clinical protocols and patient care standards remain consistent with the national mission. This leadership role involves coordinating with healthcare partners and local government agencies to provide reliable emergency and nonemergency medical care. By focusing on the optimization of regional fleet operations and staff deployment, Dwayne Tullos drives efficiency and service quality across the territory. Tullos monitors key performance indicators to ensure that every transport mission meets the rigorous requirements of the company. Through the strategic oversight of regional assets, the Regional President supports the expansion of medical transport options, ensuring that the company maintains a strong presence and delivers exceptional value to the communities served throughout the region.

    David Abrams - Regional President, Mid-Atlantic Region

    David Abrams, the Regional President, Mid-Atlantic Region at Priority Ambulance, directs all medical transport operations across the Mid-Atlantic territory. Overseeing the performance of local brands in Virginia and Maryland, the Regional President, Mid-Atlantic Region ensures that clinical excellence and patient safety remain the top priorities. This leadership role involves managing the complex logistics of emergency and nonemergency medical care while navigating regional healthcare landscapes. By fostering partnerships with local hospitals and health systems, David Abrams secures the operational success of the company in the Mid-Atlantic. Abrams implements strategic initiatives to improve response times and service reliability, ensuring that every paramedic and EMT operates with the latest medical technology. Through the effective management of regional resources and personnel, the Regional President, Mid-Atlantic Region supports the broader organizational goal of providing high-quality medical transport options, ultimately enhancing the impact of the company on patient health outcomes in the region.

    Sharon Schwarz - Regional President

    Sharon Schwarz, the Regional President at Priority Ambulance, manages the strategic direction and operational execution of medical transport services within assigned regions. Overseeing the clinical and administrative functions of local ambulance brands, the Regional President ensures that all operations align with the company mission of providing the highest level of medical care. This leadership role involves coordinating with regional stakeholders to optimize service delivery and maintain compliance with healthcare standards. By driving initiatives that enhance the efficiency of emergency and nonemergency transport, Sharon Schwarz supports the growth and stability of the company. Schwarz collaborates with other executives to implement best practices in fleet management and patient care, ensuring that every local brand operates at peak performance. Through the effective oversight of regional operations, the Regional President contributes to the overall success of the organization, ensuring that communities receive reliable and high-quality medical transport services.

    Phillip Koster - Chief Operations Officer

    Phillip Koster, the Chief Operations Officer at Priority Ambulance, directs the deployment of 650 state-of-the-art emergency vehicles across the national service area. Overseeing the integration of medical technology and fleet logistics, the Chief Operations Officer ensures that 3,400 paramedics and EMTs maintain peak readiness for emergency and nonemergency medical care. This leadership role involves standardizing clinical protocols to guarantee consistent service quality across all 12 states of operation. By optimizing dispatch efficiency and resource allocation, Phillip Koster directly impacts the operational capacity of the entire organization. Koster maintains rigorous oversight of maintenance schedules and equipment upgrades to support the company mission of clinical excellence. Through constant monitoring of field performance metrics, the Chief Operations Officer drives continuous improvement in patient transport outcomes, ensuring that every local brand within the family of companies meets the highest standards of medical care and safety.
    Phillip Koster

    Adrienne Huntley - Chief People Officer, Priority Ondemand

    Adrienne Huntley, the Chief People Officer, Priority Ondemand at Priority Ambulance, directs the human capital strategy for the organization. Overseeing talent acquisition, employee development, and retention programs, the Chief People Officer, Priority Ondemand ensures that 3,400 highly trained paramedics and EMTs possess the skills necessary for clinical excellence. This leadership role involves building a culture of safety and professional growth that attracts top-tier medical talent across all 12 states of operation. By implementing comprehensive training initiatives and performance management systems, Adrienne Huntley drives organizational alignment with the company mission. Huntley collaborates with regional leadership to address workforce challenges and optimize staffing levels for emergency transport services. Through the strategic management of human resources, the Chief People Officer, Priority Ondemand supports the operational scale of the company, ensuring that every local brand maintains a workforce capable of delivering superior medical care to the communities served.

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    Frequently Asked Questions Regarding Priority Ambulance Top Executives and Leadership Team

    Who leads Priority Ambulance?
    Priority Ambulance is led by Christopher Blach (President, Region (West)), along with executives such as Reg James (Regional President) and Dwayne Tullos (Regional President).
    Who is part of Priority Ambulance’s executive team?
    The executive team of Priority Ambulance includes leaders such as Christopher Blach (President, Region (West)), Reg James (Regional President), Dwayne Tullos (Regional President) and other senior executives.
    How many executives does Priority Ambulance have?
    Priority Ambulance has 7 executives leading key business areas.
    What roles are included in Priority Ambulance’s leadership team?
    The leadership team of Priority Ambulance includes roles such as President, Region (West), Regional President, Regional President, Regional President, Mid-Atlantic Region, Regional President.