HCA HealthONE Executive and Leadership Team

July, 2026

Leadership Overview

HCA HealthONE has 10 executives leading key functions including strategy, operations, finance, 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 Financial Officer, Decathlon (Taiwan) - Craig Sammons
  • Chief Operating Officer - Hallie Kosena
  • Chief Operating Officer, HCA HealthONE Centennial - Emily T.
  • Chief Operating Officer, HCA HealthONE Rose - Ashley Hickel
  • Registered Nurse Hyperbaric Medicine and President of Alfa Club of the Rockies - Scott Walker
  • President - Adam Barkin
  • 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 overarching strategy and operational execution for the organization. Rausch guides the company's mission to provide specialized outpatient and short-stay surgical procedures, ensuring alignment with the Denver, Colorado headquarters' strategic objectives. This leadership role involves fostering a culture of excellence in patient care and driving growth across all HCA HealthONE Ambulatory Surgical Centers. Scott Rausch oversees the integration of new technologies and service lines to enhance the patient experience and maintain market leadership in ambulatory surgery. The Chief Executive Officer's responsibilities extend to financial oversight, market expansion, and ensuring regulatory compliance across all operational facets. Rausch's strategic vision propels HCA HealthONE's commitment to community health and accessible surgical solutions.
    Scott Rausch

    Roberto Brandon - Administrator Chief Executive Officer

    Roberto Brandon, the Administrator Chief Executive Officer at HCA HealthONE, manages the administrative functions and operational efficiency of the surgical centers. Brandon ensures that the day-to-day operations support the delivery of high-quality outpatient and short-stay surgical procedures, aligning with the company's core mission. This executive oversees resource allocation, staff management, and the implementation of administrative policies designed to optimize patient care delivery. Roberto Brandon's role is critical in maintaining the smooth functioning of HCA HealthONE's facilities, ensuring compliance with healthcare regulations and standards. The Administrator Chief Executive Officer focuses on enhancing operational workflows and improving patient throughput. Brandon's leadership contributes to the organization's ability to offer accessible and effective surgical solutions to the Denver community and surrounding regions.

    Craig Sammons - Chief Financial Officer, Decathlon (Taiwan)

    Craig Sammons, the Chief Financial Officer, Decathlon (Taiwan), oversees the financial operations and strategic fiscal planning for the organization. Sammons manages budgeting, financial reporting, and investment strategies to ensure the financial health and growth of the company. This role involves analyzing financial performance, identifying cost-saving opportunities, and ensuring compliance with financial regulations. Craig Sammons plays a critical part in guiding financial decisions that support the delivery of outpatient and short-stay surgical procedures. The Chief Financial Officer, Decathlon (Taiwan), is responsible for managing financial risks and optimizing capital allocation. Sammons's financial acumen is essential for sustaining HCA HealthONE's operational capabilities and strategic expansion initiatives.

    Hallie Kosena - Chief Operating Officer

    Hallie Kosena, the Chief Operating Officer at HCA HealthONE, drives operational excellence across the ambulatory surgical centers. Kosena focuses on optimizing the delivery of outpatient and short-stay surgical procedures, ensuring efficient patient flow and high standards of care. This leadership position involves overseeing departmental operations, implementing best practices, and managing resources to support the company's strategic goals. Hallie Kosena works to enhance the patient experience by streamlining processes and improving facility utilization. The Chief Operating Officer plays a key part in managing operational budgets and driving performance improvements. Kosena's expertise ensures that HCA HealthONE's facilities operate at peak efficiency, contributing to the organization's reputation for quality surgical services in the Denver area.

    Emily T. - Chief Operating Officer, HCA HealthONE Centennial

    Emily T., the Chief Operating Officer, HCA HealthONE Centennial, directs the operational strategy and execution for the Centennial facility. T. focuses on enhancing the delivery of outpatient and short-stay surgical procedures, ensuring high standards of patient care and operational efficiency specific to the Centennial location. This executive oversees departmental management, resource allocation, and the implementation of policies that support the facility's strategic objectives. Emily T. works to optimize patient throughput and improve the overall patient experience within the Centennial center. The Chief Operating Officer, HCA HealthONE Centennial, is responsible for driving performance metrics and ensuring regulatory compliance. T.'s leadership ensures the Centennial facility effectively serves its community with specialized surgical services.

    Ashley Hickel - Chief Operating Officer, HCA HealthONE Rose

    Ashley Hickel, the Chief Operating Officer, HCA HealthONE Rose, leads the operational management and strategic development for the Rose facility. Hickel is dedicated to optimizing the delivery of outpatient and short-stay surgical procedures, ensuring superior patient care and operational effectiveness at the Rose location. This executive directs departmental functions, manages resource deployment, and implements initiatives that align with the facility's growth objectives. Ashley Hickel focuses on enhancing patient satisfaction and streamlining clinical workflows. The Chief Operating Officer, HCA HealthONE Rose, oversees performance metrics and ensures adherence to all healthcare standards. Hickel's leadership ensures the Rose facility provides exceptional surgical services to its patient population.

    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, leads specialized patient care and community engagement initiatives. Walker directs the provision of hyperbaric medicine services, ensuring optimal patient outcomes and adherence to clinical protocols. This dual role involves managing the hyperbaric medicine department while also fostering community connections through the Alfa Club of the Rockies. Scott Walker focuses on enhancing patient recovery through advanced therapeutic techniques and promoting health awareness within the community. The Registered Nurse Hyperbaric Medicine and President of Alfa Club of the Rockies plays a vital part in both direct patient care and broader organizational outreach. Walker's commitment extends to advancing specialized medical treatments and strengthening community ties.
    Scott Walker

    Adam Barkin - President

    Adam Barkin, the President at HCA HealthONE, drives strategic initiatives and oversees key operational areas to advance the company's mission. Barkin focuses on expanding market presence and enhancing the delivery of outpatient and short-stay surgical procedures. This leadership position involves fostering strong relationships with stakeholders, guiding business development, and ensuring operational alignment with corporate objectives. Adam Barkin works to identify new opportunities for growth and service enhancement across HCA HealthONE's network. The President plays a crucial role in strategic planning and execution, ensuring the organization remains a leader in ambulatory surgical care. Barkin's leadership contributes to HCA HealthONE's commitment to providing accessible, high-quality healthcare solutions.

    Aaron Liddell - Chief of Staff

    Aaron Liddell, the Chief of Staff at HCA HealthONE, provides strategic support and operational coordination for executive leadership. Liddell facilitates communication and alignment across various departments, ensuring that the company's mission of delivering outpatient and short-stay surgical procedures is effectively executed. This role involves managing key initiatives, preparing executive reports, and driving special projects that enhance organizational efficiency and patient care. Aaron Liddell works closely with the Chief Executive Officer and other senior leaders to advance strategic objectives and address operational challenges. The Chief of Staff's responsibilities include streamlining decision-making processes and ensuring that executive priorities are translated into actionable plans. Liddell's contributions are vital to the cohesive functioning of HCA HealthONE's leadership team.

    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 the organization. MacIndoe oversees clinical operations, guides medical staff, and develops strategies to enhance patient outcomes for outpatient and short-stay surgical procedures. This role involves ensuring adherence to clinical best practices, managing quality improvement initiatives, and fostering a culture of safety and excellence. Chamisa MacIndoe collaborates with administrative leaders to integrate clinical insights into strategic planning. The Chief Medical Officer is instrumental in shaping the medical direction of HCA HealthONE, focusing on innovation and evidence-based medicine. MacIndoe's expertise ensures that patient care remains at the forefront of all operational decisions.

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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 Craig Sammons (Chief Financial Officer, Decathlon (Taiwan)).
    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), Craig Sammons (Chief Financial Officer, Decathlon (Taiwan)) and other senior executives.
    How many executives does HCA HealthONE have?
    HCA HealthONE has 10 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 Financial Officer, Decathlon (Taiwan), Chief Operating Officer, Chief Operating Officer, HCA HealthONE Centennial.