HCA HealthONE Executive and Leadership Team

August, 2026

Leadership Overview

HCA HealthONE has 9 executives leading key functions including strategy, operations, clinical oversight, and administration.

Focused on delivering high-quality outpatient surgical care, HCA HealthONE maintains a commitment to patient safety and operational excellence across the Colorado region through advanced medical facilities and specialized surgical services.

Leadership Roles at HCA HealthONE

  • Chief Executive Officer - Scott Rausch
  • Chief Operating Officer - Hallie Kosena
  • Chief Operating Officer, HCA HealthONE Rose - Ashley Hickel
  • Chief Operating Officer - Rocky Mountain Children's - Derek Nye
  • President - Adam Barkin
  • Registered Nurse Hyperbaric Medicine and President of Alfa Club of the Rockies - Scott Walker
  • Chief of Staff - Aaron Liddell
  • Chief Medical Officer - Eric Lung
  • Chief Administrative Officer, , Rose Women's (CAO) - Kara Nicklas
  • Scott Rausch - Chief Executive Officer

    Scott Rausch, the Chief Executive Officer at HCA HealthONE, directs the overarching strategic vision for all outpatient surgical centers. Rausch architects long-term growth initiatives while ensuring alignment with the mission of providing accessible, high-quality surgical procedures across the Colorado market. By overseeing the integration of clinical standards and business development, the Chief Executive Officer maintains a focus on operational efficiency and patient outcomes. This leadership role involves constant collaboration with the board to refine service delivery models and expand the footprint of surgical care. Scott Rausch drives the organization toward sustainable performance metrics, ensuring that every facility meets rigorous safety benchmarks. Through the optimization of resource allocation and the cultivation of high-performing teams, the Chief Executive Officer secures the competitive position of the company within the ambulatory surgery sector, ultimately fostering a culture of excellence and continuous improvement throughout the entire network.
    Scott Rausch

    Hallie Kosena - Chief Operating Officer

    Hallie Kosena, the Chief Operating Officer at HCA HealthONE, oversees the daily operational performance of the ambulatory surgical centers. Kosena architects scalable workflows that optimize patient throughput and surgical scheduling, ensuring that every facility operates at peak efficiency. By managing the logistical complexities of outpatient procedures, the Chief Operating Officer maintains high standards of clinical quality and safety. Hallie Kosena drives the implementation of new medical technologies and process improvements that enhance the overall patient experience. This leadership role involves close coordination with facility managers to ensure that resource utilization aligns with regional demand. Through the rigorous analysis of operational data, the Chief Operating Officer identifies opportunities for cost reduction and service expansion. Kosena ensures that all surgical units adhere to strict regulatory compliance, thereby reinforcing the reputation of the company as a leader in short-stay surgical care within the competitive Colorado healthcare landscape.

    Ashley Hickel - Chief Operating Officer, HCA HealthONE Rose

    Ashley Hickel, the Chief Operating Officer, HCA HealthONE Rose at HCA HealthONE, directs the operational strategy specifically for the Rose facility. Hickel architects specialized surgical protocols that cater to the unique needs of the patient population served by this location. By overseeing the daily management of surgical suites and clinical staff, the Chief Operating Officer, HCA HealthONE Rose ensures that all procedures meet the highest benchmarks for safety and efficacy. Ashley Hickel drives initiatives to improve patient satisfaction and clinical outcomes through the optimization of surgical workflows. This role involves managing the integration of advanced medical equipment and ensuring that the facility remains at the forefront of outpatient surgical innovation. Through the effective coordination of multidisciplinary teams, the Chief Operating Officer, HCA HealthONE Rose maintains a focus on operational excellence and fiscal responsibility, ultimately supporting the broader mission of providing exceptional surgical care within the Denver metropolitan area.

    Derek Nye - Chief Operating Officer - Rocky Mountain Children's

    Derek Nye, the Chief Operating Officer - Rocky Mountain Children's at HCA HealthONE, directs the operational framework for pediatric surgical services. Nye architects specialized care pathways that address the unique requirements of pediatric patients, ensuring that all surgical interventions occur in a safe and supportive environment. By overseeing the clinical operations and resource management for this specific division, the Chief Operating Officer - Rocky Mountain Children's maintains a focus on delivering high-quality outcomes for children across the region. Derek Nye drives the implementation of pediatric-specific safety protocols and operational standards that distinguish the facility in the market. This role involves collaborating with clinical leaders to ensure that the surgical environment remains optimized for pediatric care. Through the strategic management of specialized surgical teams, the Chief Operating Officer - Rocky Mountain Children's ensures that the organization provides comprehensive and compassionate care, reinforcing the commitment to excellence in pediatric health services.
    Derek Nye

    Adam Barkin - President

    Adam Barkin, the President at HCA HealthONE, directs the overall market strategy and business development efforts for the organization. Barkin architects growth plans that expand the reach of outpatient surgical services across the Colorado region. By overseeing the competitive positioning and strategic partnerships, the President ensures that the company remains a leader in the ambulatory surgery sector. Adam Barkin drives the execution of long-term objectives, focusing on market penetration and the diversification of surgical service offerings. This leadership role involves engaging with stakeholders and the board to align business activities with the overarching mission of the company. Through the strategic analysis of market trends and operational performance, the President identifies new opportunities for expansion and service enhancement. Barkin maintains a focus on sustainable growth, ensuring that the organization continues to deliver value to patients and partners while maintaining a strong presence in the healthcare market.

    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, directs the specialized clinical delivery of hyperbaric oxygen therapy. Walker architects patient care plans that utilize hyperbaric medicine to treat complex wounds and conditions, ensuring that clinical protocols meet the highest safety standards. By overseeing the daily operation of hyperbaric chambers and the associated nursing staff, the Registered Nurse Hyperbaric Medicine and President of Alfa Club of the Rockies maintains a focus on patient recovery and clinical efficacy. Scott Walker drives the integration of specialized wound care services into the broader surgical offerings of the company. This role involves collaborating with surgical teams to provide comprehensive care for patients requiring advanced therapeutic interventions. Through the application of clinical expertise and leadership, the Registered Nurse Hyperbaric Medicine and President of Alfa Club of the Rockies ensures that the organization provides high-quality, specialized medical services to the community.

    Aaron Liddell - Chief of Staff

    Aaron Liddell, the Chief of Staff at HCA HealthONE, manages the internal communication flow and strategic execution of executive priorities. Liddell coordinates cross-departmental initiatives to ensure that the operational goals of the ambulatory surgical centers remain synchronized with the broader corporate mission. By facilitating high-level decision-making processes, the Chief of Staff enables the leadership team to address complex challenges in the outpatient surgical landscape. Aaron Liddell monitors the progress of key projects, ensuring that all administrative functions support the delivery of superior patient care. This role involves bridging the gap between clinical operations and executive strategy, thereby enhancing organizational agility. Through the systematic oversight of internal workflows, the Chief of Staff drives efficiency and accountability across the enterprise. Liddell maintains a focus on streamlining processes to support the expansion of surgical services, ensuring that the company remains responsive to the evolving needs of the Colorado healthcare community.

    Eric Lung - Chief Medical Officer

    Eric Lung, the Chief Medical Officer at HCA HealthONE, directs the clinical governance and quality assurance programs across all surgical centers. Lung architects evidence-based medical protocols that ensure the highest standards of patient safety and surgical excellence. By overseeing the credentialing of medical staff and the monitoring of clinical outcomes, the Chief Medical Officer maintains a focus on continuous quality improvement. Eric Lung drives the adoption of best practices in surgical care, ensuring that all facilities remain compliant with national healthcare standards. This leadership role involves collaborating with the executive team to integrate clinical insights into the broader business strategy. Through the rigorous evaluation of medical performance data, the Chief Medical Officer identifies areas for clinical advancement and professional development. Lung ensures that the organization remains a trusted provider of surgical services, fostering a culture of clinical integrity and patient-centered care throughout the entire HCA HealthONE network.

    Kara Nicklas - Chief Administrative Officer, , Rose Women's (CAO)

    Kara Nicklas, the Chief Administrative Officer, , Rose Women's (CAO) at HCA HealthONE, directs the administrative functions and support services for the Rose Women's division. Nicklas architects efficient business processes that facilitate the smooth operation of clinical departments, ensuring that administrative burdens do not impede patient care. By overseeing human resources, facility management, and administrative compliance, the Chief Administrative Officer, , Rose Women's (CAO) maintains a focus on organizational stability and operational readiness. Kara Nicklas drives initiatives to improve staff engagement and administrative efficiency, thereby supporting the overall mission of the facility. This role involves coordinating with other executive leaders to ensure that administrative support aligns with the strategic goals of the women's health services. Through the effective management of administrative resources, the Chief Administrative Officer, , Rose Women's (CAO) ensures that the facility operates with precision, ultimately contributing to the high-quality care provided to patients.

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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 Hallie Kosena (Chief Operating Officer) and Ashley Hickel (Chief Operating Officer, HCA HealthONE Rose).
    Who is part of HCA HealthONE’s executive team?
    The executive team of HCA HealthONE includes leaders such as Scott Rausch (Chief Executive Officer), Hallie Kosena (Chief Operating Officer), Ashley Hickel (Chief Operating Officer, HCA HealthONE Rose) 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, Chief Operating Officer, Chief Operating Officer, HCA HealthONE Rose, Chief Operating Officer - Rocky Mountain Children's, President.