TMC Healthcare Executive and Leadership Team

July, 2026

Leadership Overview

TMC Healthcare has 7 executives leading key functions including strategy, operations, information technology, finance, and legal.

Driven by a commitment to community well-being, TMC Healthcare operates the Tucson Medical Center, providing essential cardiac, emergency, neurological, and orthopedic services. The organization's leadership philosophy centers on delivering high-quality, accessible patient care and fostering innovation within the healthcare landscape.

Leadership Roles at TMC Healthcare

  • Chief Executive Officer - Mimi Coomler
  • Vice President & Chief Financial Officer - Bradley Hipp
  • Chief Operating Officer - Linda Wojtowicz
  • Chief of Staff - Michael Probstfeld
  • Chief Information Officer, Senior Vice President - Josh Lee
  • Senior Vice President and Chief Legal Officer - Timothy Reuschel
  • Executive Vice President & Chief Legal Officer - Tracy Nuckolls
  • Mimi Coomler - Chief Executive Officer

    Mimi Coomler, the Chief Executive Officer at TMC Healthcare, directs the overall strategic vision and operational execution for the organization. Coomler guides the hospital's mission to provide comprehensive cardiac, emergency, neurology, and orthopedic services to the Tucson, AZ area. This leadership role involves fostering a culture of excellence and ensuring the delivery of high-quality patient care across all departments. Overseeing the executive team, Coomler drives initiatives that enhance patient outcomes and maintain the hospital's standing as a vital community resource. The Chief Executive Officer's responsibilities extend to financial oversight, market positioning, and long-term growth strategies, ensuring TMC Healthcare remains at the forefront of medical innovation and service delivery. Mimi Coomler's leadership ensures alignment with the organization's founding principles and its commitment to serving the health needs of the region.

    Bradley Hipp - Vice President & Chief Financial Officer

    Bradley Hipp, the Vice President & Chief Financial Officer at TMC Healthcare, directs all financial operations and strategic fiscal planning for the organization. Hipp manages budgeting, financial reporting, revenue cycle management, and investment strategies to ensure the financial health and sustainability of the Tucson Medical Center. This executive role is pivotal in allocating resources effectively to support the delivery of comprehensive cardiac, emergency, neurology, and orthopedic services. The Vice President & Chief Financial Officer works to optimize financial performance, control costs, and identify opportunities for revenue growth while upholding the hospital's commitment to community service. Bradley Hipp's financial acumen guides strategic decision-making, ensuring that TMC Healthcare can continue to invest in advanced medical technologies and patient care initiatives. This leadership ensures fiscal responsibility and supports the organization's long-term viability.

    Linda Wojtowicz - Chief Operating Officer

    Linda Wojtowicz, the Chief Operating Officer at TMC Healthcare, manages the day-to-day operations of the Tucson Medical Center. Wojtowicz oversees the efficient functioning of all hospital departments, ensuring seamless delivery of cardiac, emergency, neurology, and orthopedic services. This executive position focuses on optimizing operational workflows, enhancing patient throughput, and maintaining the highest standards of clinical care. The Chief Operating Officer works closely with department heads to implement best practices and drive operational improvements across the facility. Linda Wojtowicz's role is critical in resource allocation, staff management, and ensuring the hospital's infrastructure supports its mission. By focusing on operational excellence, Wojtowicz contributes directly to patient satisfaction and the overall effectiveness of TMC Healthcare's service offerings. This leadership ensures the hospital operates with maximum efficiency and responsiveness to community needs.

    Michael Probstfeld - Chief of Staff

    Michael Probstfeld, the Chief of Staff at TMC Healthcare, serves as a key advisor and liaison for the executive leadership team. Probstfeld facilitates communication and strategic alignment across various hospital functions, ensuring the smooth execution of organizational objectives. This role involves supporting the Chief Executive Officer in managing key initiatives and fostering collaboration among clinical and administrative departments. The Chief of Staff plays a vital part in operational efficiency by streamlining processes and addressing critical issues that impact patient care and hospital performance. Michael Probstfeld's responsibilities include coordinating special projects, managing executive communications, and ensuring that the hospital's strategic priorities are effectively translated into actionable plans. This position is essential for maintaining organizational coherence and driving forward the mission of providing exceptional healthcare services.

    Josh Lee - Chief Information Officer, Senior Vice President

    Josh Lee, the Chief Information Officer, Senior Vice President at TMC Healthcare, directs the organization's information technology strategy and infrastructure. Lee oversees the development and implementation of all technology solutions that support patient care, operational efficiency, and data security across the Tucson Medical Center. This critical role involves managing electronic health records, network systems, and digital health initiatives to enhance service delivery for cardiac, emergency, neurology, and orthopedic care. The Chief Information Officer, Senior Vice President ensures that technology investments align with TMC Healthcare's mission and contribute to improved patient outcomes and operational effectiveness. Josh Lee's leadership drives innovation in health informatics, safeguarding sensitive patient data while enabling seamless access to information for clinicians. This executive ensures the hospital remains technologically advanced and secure in its operations.
    Josh Lee
    Timothy Reuschel, the Senior Vice President and Chief Legal Officer at TMC Healthcare, oversees all legal affairs and compliance matters for the organization. Reuschel provides expert counsel on healthcare law, regulatory requirements, and risk management to protect the hospital's interests and ensure adherence to all applicable statutes. This executive position is crucial for navigating the complex legal landscape of the healthcare industry, particularly concerning patient care, medical malpractice, and corporate governance. The Senior Vice President and Chief Legal Officer advises the executive team and Board of Directors on legal strategies and potential liabilities. Timothy Reuschel's responsibilities include managing litigation, drafting and reviewing contracts, and developing policies that ensure the integrity and ethical operation of TMC Healthcare. This leadership safeguards the organization's operations and reputation.
    Tracy Nuckolls, the Executive Vice President & Chief Legal Officer at TMC Healthcare, directs the comprehensive legal strategy and compliance framework for the organization. Nuckolls ensures that all operations, from patient care services to administrative functions, strictly adhere to federal, state, and local regulations. This senior leadership role involves managing all aspects of corporate law, healthcare policy, and risk mitigation to protect the hospital's assets and reputation. The Executive Vice President & Chief Legal Officer collaborates closely with executive leadership and external counsel to address complex legal challenges and opportunities. Tracy Nuckolls's expertise is vital in shaping policies that uphold patient rights, ensure data privacy, and maintain the highest ethical standards across TMC Healthcare. This leadership role is fundamental to the organization's sustained compliance and operational integrity.

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    Frequently Asked Questions Regarding TMC Healthcare Top Executives and Leadership Team

    Who leads TMC Healthcare?
    TMC Healthcare is led by Mimi Coomler (Chief Executive Officer), along with executives such as Bradley Hipp (Vice President & Chief Financial Officer) and Linda Wojtowicz (Chief Operating Officer).
    Who is part of TMC Healthcare’s executive team?
    The executive team of TMC Healthcare includes leaders such as Mimi Coomler (Chief Executive Officer), Bradley Hipp (Vice President & Chief Financial Officer), Linda Wojtowicz (Chief Operating Officer) and other senior executives.
    How many executives does TMC Healthcare have?
    TMC Healthcare has 7 executives leading key business areas.
    What roles are included in TMC Healthcare’s leadership team?
    The leadership team of TMC Healthcare includes roles such as Chief Executive Officer, Vice President & Chief Financial Officer, Chief Operating Officer, Chief of Staff, Chief Information Officer, Senior Vice President.