Galen Medical Group Executive and Leadership Team

July, 2026

Leadership Overview

Galen Medical Group has 4 executives leading key functions including finance, administration, and strategy.

Dedicated to elevating community health, Galen Medical Group provides evidence-based, patient-friendly services across multiple specialties, driving health outcomes through innovative medical practices.

Leadership Roles at Galen Medical Group

  • Chief Financial Officer - Katrina Ashby
  • President - Shannon McCallie
  • President - Colleen Schmitt
  • Chief Administrative Officer - Donald Martin
  • Katrina Ashby - Chief Financial Officer

    Katrina Ashby, the Chief Financial Officer at Galen Medical Group, directs all financial operations and fiscal strategy. Overseeing budgeting, financial planning, and resource allocation, Ashby ensures the organization's economic stability and growth. This leadership role involves managing revenue cycles, optimizing expenditures, and ensuring compliance with healthcare financial regulations. By analyzing financial data, Katrina Ashby drives informed decision-making across departments, supporting the delivery of comprehensive healthcare services in pediatrics, adult medicine, dermatology, and digestive health. Ashby's financial acumen is critical to maintaining the group's commitment to patient-friendly services and innovative medical practices throughout the Chattanooga region.

    Shannon McCallie - President

    Shannon McCallie, the President at Galen Medical Group, drives the strategic vision and overall direction of the comprehensive healthcare provider. Leading initiatives across all medical specialties, including pediatrics, adult medicine, dermatology, and digestive health, McCallie ensures the organization uphms to its commitment to evidence-based care and patient-friendly services. This executive role involves fostering relationships with stakeholders, guiding market expansion, and championing the group's mission to elevate community health. By setting high standards for medical excellence and operational efficiency, Shannon McCallie cultivates an environment of continuous improvement and innovation. McCallie's leadership is fundamental to Galen Medical Group's impact on the health of individuals and families throughout the Chattanooga region.

    Colleen Schmitt - President

    Colleen Schmitt, the President at Galen Medical Group, spearheads the strategic development and operational execution of the group's diverse healthcare offerings. Directing efforts across pediatrics, adult medicine, dermatology, and digestive health, Schmitt ensures the consistent delivery of high-quality, evidence-based medical care. This leadership position focuses on enhancing patient access, optimizing service delivery models, and promoting the group's core values of compassionate care and innovation. By collaborating with clinical teams and administrative staff, Colleen Schmitt strengthens Galen Medical Group's capacity to serve families and individuals seeking specialized medical attention. Schmitt's strategic oversight is crucial for advancing the health and well-being of the Chattanooga community.

    Donald Martin - Chief Administrative Officer

    Donald Martin, the Chief Administrative Officer at Galen Medical Group, oversees the operational infrastructure and administrative functions supporting the group's extensive medical services. Managing daily operations across multiple locations, Martin ensures seamless patient experiences and efficient workflow for all medical specialties, including pediatrics, adult medicine, dermatology, and digestive health. This position involves optimizing resource utilization, implementing administrative policies, and fostering a productive work environment. By streamlining administrative processes, Donald Martin enhances the delivery of evidence-based care and patient-friendly services. Martin's administrative leadership is vital for the group's mission to elevate community health through innovative medical practices in the Chattanooga region.

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    Frequently Asked Questions Regarding Galen Medical Group Top Executives and Leadership Team

    Who leads Galen Medical Group?
    Galen Medical Group is led by Katrina Ashby (Chief Financial Officer), along with executives such as Shannon McCallie (President) and Colleen Schmitt (President).
    Who is part of Galen Medical Group’s executive team?
    The executive team of Galen Medical Group includes leaders such as Katrina Ashby (Chief Financial Officer), Shannon McCallie (President), Colleen Schmitt (President) and other senior executives.
    How many executives does Galen Medical Group have?
    Galen Medical Group has 4 executives leading key business areas.
    What roles are included in Galen Medical Group’s leadership team?
    The leadership team of Galen Medical Group includes roles such as Chief Financial Officer, President, President, Chief Administrative Officer.