Kettering Health Executive and Leadership Team

May, 2026

Leadership Overview

Kettering Health has 10 executives leading key functions including strategy, operations, finance, marketing, human resources, and medical affairs.

Driven by a commitment to patient care, Kettering Health operates as a nonprofit network of hospitals dedicated to advancing health and wellness across the Dayton and Cincinnati regions through integrated, high-quality medical services.

Leadership Roles at Kettering Health

  • Chief Executive Officer - Michael Gentry
  • Chief Executive Officer, Kettering Health - Francisco Perez
  • Chief Financial Officer - Timothy Ko
  • Chief Financial Officer, Khmg - Shannon Fullam
  • Chief Operating Officer - Joshua Michalski
  • Chief Marketing Officer, Kettering Health Hamilton - Ashlee Ames
  • Chief Human Resources Officer - Joan Swenson
  • Chief Human Resources Officer & Vice President, Human Resources - Brooke Harris
  • Chief Medical Officer - Raymond Poelstra
  • Chief Legal Officer - Joseph Feller
  • Michael Gentry - Chief Executive Officer

    Michael Gentry, the Chief Executive Officer at Kettering Health, directs the overall strategic vision and operational execution for the entire network. Gentry guides the organization's expansion and service development, ensuring alignment with the core mission of providing exceptional patient care. This leadership role involves fostering innovation across all nine hospitals and numerous outpatient facilities, driving growth and enhancing the network's market position within Ohio. Michael Gentry oversees critical initiatives aimed at improving healthcare delivery models and maintaining financial sustainability. The Chief Executive Officer's purview extends to cultivating strong relationships with community stakeholders and ensuring the network's long-term viability and impact on public health. Gentry's strategic direction ensures Kettering Health remains a leader in healthcare services.
    Michael Gentry

    Francisco Perez - Chief Executive Officer, Kettering Health

    Francisco Perez, the Chief Executive Officer, Kettering Health at Kettering Health, directs the strategic leadership and operational oversight for the Kettering Health network. Perez guides the organization's mission-driven approach to healthcare delivery, focusing on innovation and patient-centered services. This executive role is pivotal in shaping the network's growth trajectory and ensuring excellence across all facilities. Francisco Perez oversees key strategic partnerships and ensures the network's responsiveness to evolving healthcare needs within the Dayton and Cincinnati regions. The Chief Executive Officer, Kettering Health's leadership fosters a culture of continuous improvement and clinical excellence. Perez's vision drives Kettering Health's commitment to advancing health and wellness.

    Timothy Ko - Chief Financial Officer

    Timothy Ko, the Chief Financial Officer at Kettering Health, directs all financial planning, accounting, and reporting functions for the network. Ko is responsible for managing the organization's financial health, including budgeting, investment strategies, and revenue cycle management. This critical role ensures the financial stability and sustainability of Kettering Health's operations across its multiple hospitals and service lines. Timothy Ko oversees capital allocation, risk management, and the development of financial policies to support strategic growth. The Chief Financial Officer's expertise is vital in navigating the complex financial landscape of the healthcare industry. Ko's financial acumen underpins the network's ability to invest in advanced medical technologies and patient care initiatives.
    Timothy Ko

    Shannon Fullam - Chief Financial Officer, Khmg

    Shannon Fullam, the Chief Financial Officer, Khmg at Kettering Health, oversees the financial operations specifically for Kettering Health Medical Group. Fullam manages the financial health of physician practices, ensuring efficient revenue cycle management and fiscal responsibility. This role is crucial for supporting the clinical activities and growth of the medical group's extensive network of providers. Shannon Fullam directs budgeting, financial analysis, and strategic financial planning tailored to the unique needs of physician-led services. The Chief Financial Officer, Khmg's focus ensures that the medical group can effectively deliver high-quality patient care while maintaining financial viability. Fullam's financial stewardship supports the integration and expansion of Kettering Health's physician services.

    Joshua Michalski - Chief Operating Officer

    Joshua Michalski, the Chief Operating Officer at Kettering Health, manages the day-to-day operations across the network's extensive healthcare facilities. Michalski focuses on optimizing operational efficiency, enhancing patient throughput, and ensuring the seamless delivery of medical services. This role involves direct oversight of hospital administration, clinical support services, and facility management to uphold the highest standards of care. Joshua Michalski drives initiatives to improve patient experience and operational workflows, directly impacting service quality and resource allocation. The Chief Operating Officer's responsibilities include implementing best practices in healthcare management and ensuring regulatory compliance across all operational units. Michalski's leadership ensures the effective functioning of Kettering Health's extensive infrastructure.
    Joshua Michalski

    Ashlee Ames - Chief Marketing Officer, Kettering Health Hamilton

    Ashlee Ames, the Chief Marketing Officer, Kettering Health Hamilton at Kettering Health, leads all marketing and communications strategies for the Kettering Health Hamilton facility. Ames develops and executes campaigns to enhance brand awareness, patient engagement, and community outreach for the hospital. This position is key to driving patient volume and reinforcing the hospital's commitment to its local service area. Ashlee Ames oversees market research, digital marketing initiatives, and public relations efforts to support the hospital's strategic objectives. The Chief Marketing Officer, Kettering Health Hamilton's role ensures effective messaging that resonates with patients and healthcare providers. Ames's marketing leadership strengthens the hospital's connection with the community it serves.

    Joan Swenson - Chief Human Resources Officer

    Joan Swenson, the Chief Human Resources Officer at Kettering Health, leads the comprehensive human resources strategy for the entire network. Swenson is responsible for talent acquisition, employee development, compensation and benefits, and fostering a positive organizational culture. This role is essential for attracting and retaining a skilled workforce dedicated to patient care. Joan Swenson oversees initiatives that promote employee engagement, diversity, equity, and inclusion across all Kettering Health facilities. The Chief Human Resources Officer's strategic direction ensures that human capital management aligns with the network's overarching goals. Swenson's leadership cultivates a supportive environment for all employees, reinforcing Kettering Health's commitment to its people.

    Brooke Harris - Chief Human Resources Officer & Vice President, Human Resources

    Brooke Harris, the Chief Human Resources Officer & Vice President, Human Resources at Kettering Health, directs strategic human capital management and HR operations. Harris oversees talent management, organizational development, and employee relations to support the network's mission. This dual role ensures alignment between HR initiatives and Kettering Health's strategic objectives, focusing on workforce planning and retention. Brooke Harris drives programs that enhance employee experience and foster a culture of excellence and collaboration. The Chief Human Resources Officer & Vice President, Human Resources's expertise is crucial for navigating complex HR challenges and supporting the growth of the healthcare network. Harris's leadership strengthens the foundation of Kettering Health's dedicated workforce.
    Brooke Harris

    Raymond Poelstra - Chief Medical Officer

    Raymond Poelstra, the Chief Medical Officer at Kettering Health, provides clinical leadership and oversees medical affairs across the network. Poelstra ensures the highest standards of patient care, clinical quality, and patient safety are maintained throughout all facilities. This executive role is vital for integrating clinical best practices and driving medical innovation. Raymond Poelstra collaborates with physicians and clinical teams to enhance patient outcomes and operational effectiveness. The Chief Medical Officer's focus is on advancing the quality of medical services and supporting the professional development of clinicians. Poelstra's clinical guidance is fundamental to Kettering Health's commitment to exceptional healthcare.
    Joseph Feller, the Chief Legal Officer at Kettering Health, directs all legal affairs and provides counsel on regulatory compliance and risk management for the network. Feller ensures that Kettering Health operates within all applicable laws and ethical guidelines, safeguarding the organization's interests. This position is critical for managing legal aspects of healthcare operations, contracts, and corporate governance. Joseph Feller oversees litigation, advises on healthcare policy, and develops legal strategies to support the network's mission. The Chief Legal Officer's expertise is essential for navigating the complex legal environment of the healthcare industry. Feller's legal acumen protects Kettering Health and guides its strategic decisions.
    Joseph Feller

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    Frequently Asked Questions Regarding Kettering Health Top Executives and Leadership Team

    Who leads Kettering Health?
    Kettering Health is led by Michael Gentry (Chief Executive Officer), along with executives such as Francisco Perez (Chief Executive Officer, Kettering Health) and Timothy Ko (Chief Financial Officer).
    Who is part of Kettering Health’s executive team?
    The executive team of Kettering Health includes leaders such as Michael Gentry (Chief Executive Officer), Francisco Perez (Chief Executive Officer, Kettering Health), Timothy Ko (Chief Financial Officer) and other senior executives.
    How many executives does Kettering Health have?
    Kettering Health has 10 executives leading key business areas.
    What roles are included in Kettering Health’s leadership team?
    The leadership team of Kettering Health includes roles such as Chief Executive Officer, Chief Executive Officer, Kettering Health, Chief Financial Officer, Chief Financial Officer, Khmg, Chief Operating Officer.