AdventHealth Avista Executive and Leadership Team

August, 2026

Leadership Overview

AdventHealth Avista has 4 executives leading key functions including strategy, operations, and market development.

Driven by a commitment to patient care, AdventHealth Avista focuses on delivering high-quality medical services and fostering community well-being through its comprehensive hospital operations.

Leadership Roles at AdventHealth Avista

  • Chief Executive Officer - John Sackett
  • President & Chief Executive Officer - Mark Smith
  • Chief Executive Officer & President - Lief Sorensen
  • Chief Operating Officer - David Smith
  • John Sackett - Chief Executive Officer

    John Sackett, the Chief Executive Officer at AdventHealth Avista, directs the overall strategic vision and operational execution for the hospital system. Sackett oversees all departments, ensuring alignment with AdventHealth's mission of whole-person care and community health initiatives. This leadership role involves driving growth, optimizing patient outcomes, and maintaining the highest standards of medical excellence. By fostering a culture of innovation and compassionate service, John Sackett ensures AdventHealth Avista remains a trusted healthcare provider in Louisville, Colorado. The Chief Executive Officer's responsibilities extend to financial oversight, resource allocation, and strategic partnerships that enhance the organization's market position and service capabilities.
    John Sackett

    Mark Smith - President & Chief Executive Officer

    Mark Smith, the President & Chief Executive Officer at AdventHealth Avista, spearheads the organization's strategic direction and executive leadership. Smith guides all facets of hospital operations, focusing on enhancing patient care delivery and operational efficiency within the Medical & Surgical Hospitals industry. This executive position involves cultivating strong relationships with medical staff, community stakeholders, and the broader AdventHealth network. By championing advancements in healthcare services and ensuring fiscal responsibility, Mark Smith drives the sustained growth and positive impact of AdventHealth Avista. The President & Chief Executive Officer's mandate includes overseeing strategic planning, resource management, and the implementation of innovative healthcare solutions.

    Lief Sorensen - Chief Executive Officer & President

    Lief Sorensen, the Chief Executive Officer & President at AdventHealth Avista, commands the strategic leadership and operational framework of the healthcare facility. Sorensen directs all aspects of the hospital's functions, emphasizing patient-centered care and the advancement of medical services in Louisville, Colorado. This critical role involves fostering a collaborative environment among clinical teams and administrative staff to achieve superior health outcomes. By driving operational excellence and strategic growth initiatives, Lief Sorensen ensures AdventHealth Avista upholds its commitment to community health and well-being. The Chief Executive Officer & President's purview encompasses financial stewardship, regulatory compliance, and the cultivation of a culture dedicated to compassionate healing.
    Lief Sorensen

    David Smith - Chief Operating Officer

    David Smith, the Chief Operating Officer at AdventHealth Avista, manages the day-to-day operational activities and ensures the efficient delivery of healthcare services. Smith oversees critical functions including patient flow, resource management, and the implementation of operational policies designed to enhance patient experience and clinical outcomes. This leadership position involves collaborating closely with department heads to optimize workflows and maintain high standards of quality and safety across the hospital. By driving operational improvements and fostering a culture of accountability, David Smith supports the strategic objectives of AdventHealth Avista. The Chief Operating Officer's responsibilities are central to maintaining the hospital's operational integrity and its capacity to serve the Louisville community effectively.

    Frequently Asked Questions Regarding AdventHealth Avista Top Executives and Leadership Team

    Who leads AdventHealth Avista?
    AdventHealth Avista is led by John Sackett (Chief Executive Officer), along with executives such as Mark Smith (President & Chief Executive Officer) and Lief Sorensen (Chief Executive Officer & President).
    Who is part of AdventHealth Avista’s executive team?
    The executive team of AdventHealth Avista includes leaders such as John Sackett (Chief Executive Officer), Mark Smith (President & Chief Executive Officer), Lief Sorensen (Chief Executive Officer & President) and other senior executives.
    How many executives does AdventHealth Avista have?
    AdventHealth Avista has 4 executives leading key business areas.
    What roles are included in AdventHealth Avista’s leadership team?
    The leadership team of AdventHealth Avista includes roles such as Chief Executive Officer, President & Chief Executive Officer, Chief Executive Officer & President, Chief Operating Officer.