Priority Ambulance Executive and Leadership Team

July, 2026

Leadership Overview

Priority Ambulance has 7 executives leading key functions including operations, regional management, and people management.

Driven by clinical excellence, Priority Ambulance provides the highest level of emergency and nonemergency medical care, operating a national service area with state-of-the-art emergency vehicles and advanced medical technology.

Leadership Roles at Priority Ambulance

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

    Dwayne Tullos, the Regional President at Priority Ambulance, spearheads strategic initiatives and operational oversight within a designated geographic area. Tullos manages the performance of multiple local brands, ensuring consistent delivery of high-level clinical excellence in emergency and nonemergency medical care. This executive role involves driving growth and operational efficiency across various states, leveraging the company's fleet of state-of-the-art emergency vehicles. By fostering strong relationships with local teams, Dwayne Tullos ensures that the approximately 3,400 highly trained paramedics and EMTs are supported and equipped with the latest medical technology. The Regional President's focus is on expanding market presence and enhancing service capabilities, aligning regional operations with Priority Ambulance's national mission. Tullos's leadership ensures that the company's trusted local brands continue to provide reliable medical transport options.

    Christopher Blach - President, Region (West)

    Christopher Blach, the President, Region (West) at Priority Ambulance, directs the strategic development and operational management for the western territories. Blach oversees the integration and performance of local operating companies within this region, ensuring adherence to the highest standards of clinical excellence in emergency and nonemergency medical care. This leadership position involves optimizing the deployment of state-of-the-art emergency vehicles and ensuring the effective utilization of the latest medical equipment and technology. Christopher Blach's responsibilities include driving market expansion and enhancing service delivery across multiple states, supporting the approximately 3,400 paramedics and EMTs. The President, Region (West) focuses on strengthening the company's presence and reputation by ensuring each local brand provides exceptional medical transport options. Blach's strategic vision guides the region's contribution to Priority Ambulance's national service area objectives.

    Sharon Schwarz - Regional President

    Sharon Schwarz, the Regional President at Priority Ambulance, manages and directs operations across a significant geographic segment of the company's service area. Schwarz is tasked with ensuring the consistent delivery of high-quality emergency and nonemergency medical care, upholding the organization's commitment to clinical excellence. This leadership role involves overseeing the performance of multiple operating companies, driving their integration with Priority Ambulance's broader strategic objectives. Sharon Schwarz focuses on optimizing the utilization of the company's fleet of state-of-the-art emergency vehicles and ensuring that the latest medical equipment and technology are effectively deployed. The Regional President's efforts are critical in supporting the approximately 3,400 paramedics and EMTs and expanding the reach of trusted local brands. Schwarz's leadership ensures operational effectiveness and service reliability across the region.

    Reginald James - Regional President

    Reginald James, the Regional President at Priority Ambulance, oversees a key operational region, driving performance and strategic alignment. James is responsible for ensuring that the highest standards of clinical excellence are met in all emergency and nonemergency medical transport services provided within the region. This executive position involves managing the operations of various local brands, fostering their growth and integration into the Priority Ambulance network. Reginald James focuses on enhancing the operational capabilities of the region's fleet of state-of-the-art emergency vehicles and ensuring the effective application of advanced medical technology. The Regional President plays a vital role in supporting the approximately 3,400 paramedics and EMTs, empowering them to deliver exceptional patient care. James's leadership contributes directly to the company's mission of providing reliable and high-quality medical transport across its national service area.

    David Abrams - Regional President, Mid-Atlantic Region

    David Abrams, the Regional President, Mid-Atlantic Region at Priority Ambulance, directs comprehensive operational strategies and market development for the Mid-Atlantic states. Abrams ensures the consistent delivery of superior clinical excellence in emergency and nonemergency medical care throughout the region, aligning with the company's national standards. This leadership role involves managing the performance and integration of local operating companies, driving their contribution to Priority Ambulance's overall mission. David Abrams focuses on optimizing the deployment and maintenance of the company's state-of-the-art emergency vehicles and ensuring the effective use of the latest medical equipment and technology. The Regional President, Mid-Atlantic Region is instrumental in supporting the approximately 3,400 paramedics and EMTs, fostering an environment of continuous improvement and patient-centered care. Abrams's strategic oversight strengthens the company's presence and service capabilities in this vital market.

    Phillip Koster - Chief Operations Officer

    Phillip Koster, the Chief Operations Officer at Priority Ambulance, directs the operational execution across the company's extensive network. Overseeing the deployment and management of approximately 650 state-of-the-art emergency vehicles, Koster ensures the highest standards of clinical excellence are maintained in both emergency and nonemergency medical care. This leadership role involves optimizing the efficiency of medical transport options provided by Priority Ambulance's family of companies operating in 12 states. By focusing on operational scalability, Phillip Koster drives the effective integration of new partners and technologies, ensuring seamless service delivery. The Chief Operations Officer's strategic oversight guarantees that the latest medical equipment and technology are utilized to serve communities across the national service area, directly impacting patient outcomes and operational readiness. Koster's focus remains on enhancing the company's capacity to respond effectively to diverse medical transport needs.
    Phillip Koster

    Adrienne Huntley - Chief People Officer, Priority Ondemand

    Adrienne Huntley, the Chief People Officer, Priority Ondemand at Priority Ambulance, leads all human capital strategies and initiatives. Huntley is responsible for cultivating a high-performance culture that supports the company's mission of providing exceptional clinical excellence in emergency and nonemergency medical care. This executive role involves developing and implementing comprehensive talent management programs for the approximately 3,400 paramedics and EMTs across the national service area. Adrienne Huntley drives initiatives focused on recruitment, retention, professional development, and employee engagement, ensuring the workforce is equipped with the latest skills and knowledge. The Chief People Officer's strategic focus is on building a robust and dedicated team that upholds the values of Priority Ambulance's family of companies. Huntley ensures that the people strategy directly supports operational goals and the delivery of quality medical transport options.

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    Frequently Asked Questions Regarding Priority Ambulance Top Executives and Leadership Team

    Who leads Priority Ambulance?
    Priority Ambulance is led by Dwayne Tullos (Regional President), along with executives such as Christopher Blach (President, Region (West)) and Sharon Schwarz (Regional President).
    Who is part of Priority Ambulance’s executive team?
    The executive team of Priority Ambulance includes leaders such as Dwayne Tullos (Regional President), Christopher Blach (President, Region (West)), Sharon Schwarz (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 Regional President, President, Region (West), Regional President, Regional President, Regional President, Mid-Atlantic Region.