HCA HealthONE Executive and Leadership Team

May, 2026

Leadership Overview

HCA HealthONE has 9 executives leading key functions including strategy, operations, and medical affairs.

Driven by a commitment to patient care, HCA HealthONE focuses on delivering high-quality outpatient and short-stay surgical procedures, enhancing community health through accessible ambulatory services.

Leadership Roles at HCA HealthONE

  • Chief Executive Officer - Scott Rausch
  • Administrator Chief Executive Officer - Roberto Brandon
  • Chief Operating Officer - Hallie Kosena
  • Chief Operating Officer, HCA HealthONE Rose - Ashley Hickel
  • President - Adam Barkin
  • President - Ruan Kruger
  • Registered Nurse Hyperbaric Medicine and President of Alfa Club of the Rockies - Scott Walker
  • Chief of Staff - Aaron Liddell
  • Chief Medical Officer - Chamisa MacIndoe
  • Scott Rausch - Chief Executive Officer

    Scott Rausch, the Chief Executive Officer at HCA HealthONE, directs the strategic vision and overall operational performance of the organization. Rausch oversees all facets of the company's business, ensuring alignment with its mission to provide outpatient and short-stay surgical procedures. This leadership role involves guiding the executive team in expanding market reach and enhancing service offerings across Denver, Colorado. By fostering a culture of excellence, Scott Rausch drives initiatives that improve patient outcomes and operational efficiency. The Chief Executive Officer's responsibilities include managing key stakeholder relationships and ensuring the long-term financial health and growth of HCA HealthONE's ambulatory surgical centers.
    Scott Rausch

    Roberto Brandon - Administrator Chief Executive Officer

    Roberto Brandon, the Administrator Chief Executive Officer at HCA HealthONE, manages the day-to-day administrative functions and operational execution of the surgical centers. Brandon focuses on optimizing resource allocation and ensuring compliance with healthcare regulations across all facilities. This role involves direct oversight of administrative departments, streamlining processes to support the delivery of outpatient and short-stay surgical procedures. By implementing efficient operational strategies, Roberto Brandon enhances the patient experience and supports the clinical teams. The Administrator Chief Executive Officer's leadership ensures the smooth functioning of HCA HealthONE's Denver-based operations, contributing to its reputation for quality care.

    Hallie Kosena - Chief Operating Officer

    Hallie Kosena, the Chief Operating Officer at HCA HealthONE, oversees the operational infrastructure supporting outpatient and short-stay surgical procedures. Kosena directs the implementation of operational strategies designed to enhance efficiency and patient care across the Denver metropolitan area. This leadership position involves managing departmental operations, ensuring seamless coordination between clinical and administrative functions. By focusing on process improvement, Hallie Kosena drives initiatives that optimize resource utilization and service delivery. The Chief Operating Officer's purview includes maintaining high standards of operational excellence and supporting the growth objectives of HCA HealthONE's ambulatory surgical centers.

    Ashley Hickel - Chief Operating Officer, HCA HealthONE Rose

    Ashley Hickel, the Chief Operating Officer, HCA HealthONE Rose, directs the operational execution and strategic development specifically for the Rose facility's outpatient and short-stay surgical procedures. Hickel focuses on optimizing the unique operational demands of the Rose location, ensuring high standards of patient care and efficiency. This leadership role involves managing all aspects of the facility's operations, from resource management to service line expansion. By implementing targeted operational improvements, Ashley Hickel enhances the performance and patient satisfaction at HCA HealthONE Rose. The Chief Operating Officer's dedication drives the facility's contribution to the broader HCA HealthONE network.

    Adam Barkin - President

    Adam Barkin, the President at HCA HealthONE, leads strategic initiatives and drives the overall growth trajectory of the organization. Barkin focuses on expanding the network's capabilities in outpatient and short-stay surgical procedures, ensuring market competitiveness and service innovation. This executive position involves fostering key partnerships and overseeing major development projects that enhance HCA HealthONE's presence in Denver, Colorado. By championing strategic foresight, Adam Barkin guides the company toward sustained success and increased patient access to quality surgical care. The President's leadership is instrumental in shaping the future direction of HCA HealthONE.

    Ruan Kruger - President

    Ruan Kruger, the President at HCA HealthONE, spearheads initiatives focused on operational excellence and service expansion within the ambulatory surgical network. Kruger directs efforts to enhance the delivery of outpatient and short-stay surgical procedures, ensuring efficiency and superior patient experiences. This leadership role involves collaborating with clinical and administrative teams to implement innovative healthcare solutions across the Denver region. By driving strategic planning, Ruan Kruger supports the organization's commitment to providing accessible, high-quality surgical care. The President's focus on operational effectiveness contributes significantly to HCA HealthONE's mission and market position.

    Scott Walker - Registered Nurse Hyperbaric Medicine and President of Alfa Club of the Rockies

    Scott Walker, the Registered Nurse Hyperbaric Medicine and President of Alfa Club of the Rockies at HCA HealthONE, brings specialized clinical expertise and leadership to patient care initiatives. Walker oversees the hyperbaric medicine department, ensuring advanced treatment protocols for patients requiring specialized wound care and recovery services. This dual role involves managing clinical operations within hyperbaric medicine while also leading the Alfa Club of the Rockies, fostering community engagement and support. By integrating clinical best practices with community outreach, Scott Walker enhances HCA HealthONE's comprehensive approach to patient well-being. The dedication to specialized care and community leadership underscores Walker's significant contributions.

    Aaron Liddell - Chief of Staff

    Aaron Liddell, the Chief of Staff at HCA HealthONE, provides strategic support and operational coordination for the executive leadership team. Liddell facilitates communication and drives key initiatives across departments, ensuring alignment with the company's mission of delivering outpatient and short-stay surgical procedures. This role involves managing special projects, analyzing operational data, and advising leadership on strategic decisions. By streamlining executive workflows, Aaron Liddell enhances the team's effectiveness in overseeing HCA HealthONE's Denver operations. The Chief of Staff's contributions are critical to maintaining organizational focus and achieving strategic objectives in the competitive healthcare landscape.

    Chamisa MacIndoe - Chief Medical Officer

    Chamisa MacIndoe, the Chief Medical Officer at HCA HealthONE, provides clinical leadership and ensures the highest standards of medical care across all surgical procedures. MacIndoe oversees the clinical operations, guiding medical staff and implementing evidence-based practices to enhance patient safety and outcomes. This critical role involves collaborating with administrative leaders to align medical strategy with the organization's goals for outpatient and short-stay surgery. By championing clinical excellence, Chamisa MacIndoe ensures that HCA HealthONE's medical services meet and exceed industry benchmarks. The Chief Medical Officer's expertise is fundamental to maintaining the quality and integrity of patient care.

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    Frequently Asked Questions Regarding HCA HealthONE Top Executives and Leadership Team

    Who leads HCA HealthONE?
    HCA HealthONE is led by Scott Rausch (Chief Executive Officer), along with executives such as Roberto Brandon (Administrator Chief Executive Officer) and Hallie Kosena (Chief Operating Officer).
    Who is part of HCA HealthONE’s executive team?
    The executive team of HCA HealthONE includes leaders such as Scott Rausch (Chief Executive Officer), Roberto Brandon (Administrator Chief Executive Officer), Hallie Kosena (Chief Operating Officer) and other senior executives.
    How many executives does HCA HealthONE have?
    HCA HealthONE has 9 executives leading key business areas.
    What roles are included in HCA HealthONE’s leadership team?
    The leadership team of HCA HealthONE includes roles such as Chief Executive Officer, Administrator Chief Executive Officer, Chief Operating Officer, Chief Operating Officer, HCA HealthONE Rose, President.