Adventist Health Executive and Leadership Team

July, 2026

Leadership Overview

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

Driven by a commitment to holistic well-being, Adventist Health operates as a faith-based, nonprofit integrated health system dedicated to serving over 80 communities across the West Coast and Hawaii with compassionate care.

Leadership Roles at Adventist Health

  • President & Chief Executive Officer, Adventhealth Palm Coast, Market For Flagler & St Johns - Denyse Bales-Chubb
  • Chief Financial Officer - Debbie Bach
  • Chief Financial Officer, Coast Service Area (North) - Richard Riter
  • President, Adventist Health Lodi Memorial - Brooke McCollough
  • Chief Revenue Officer - Peggy Nakamura
  • Chief Marketing Officer - Rosalio Lopez
  • Chief of Staff - Willie Ewing
  • Chief Human Resources Officer - Cheri McCall
  • Chief Medical Officer - Robert Smitson
  • Chief Medical Officer, System - Patrick Takahashi
  • Denyse Bales-Chubb - President & Chief Executive Officer, Adventhealth Palm Coast, Market For Flagler & St Johns

    Denyse Bales-Chubb, the President & Chief Executive Officer, Adventhealth Palm Coast, Market For Flagler & St Johns at Adventist Health, directs comprehensive healthcare operations and strategic market development for specific regions. Overseeing the Adventhealth Palm Coast facility and the broader market encompassing Flagler & St Johns counties, Bales-Chubb ensures the delivery of high-quality, faith-based patient care. This leadership role involves driving operational excellence, fostering community engagement, and aligning regional initiatives with the overarching mission of Adventist Health. By focusing on integrated care models and patient-centered services, Denyse Bales-Chubb strengthens the health system's presence and impact in these key Florida markets. The executive's strategic vision guides resource allocation and service expansion to meet evolving community health needs.
    Denyse Bales-Chubb

    Debbie Bach - Chief Financial Officer

    Debbie Bach, the Chief Financial Officer at Adventist Health, oversees the financial health and strategic fiscal planning for the integrated health system. Bach directs all financial operations, including budgeting, forecasting, revenue cycle management, and investment strategies, ensuring fiscal responsibility and sustainability across the organization. This critical role involves managing financial risks, optimizing resource allocation, and driving financial performance to support Adventist Health's mission of providing compassionate, faith-based care. By collaborating with other executive leaders, Debbie Bach ensures that financial decisions align with clinical objectives and long-term growth strategies. The executive's expertise is vital in navigating the complex financial landscape of the healthcare industry, safeguarding the organization's assets and enhancing its capacity for service.

    Richard Riter - Chief Financial Officer, Coast Service Area (North)

    Richard Riter, the Chief Financial Officer, Coast Service Area (North) at Adventist Health, directs financial operations and fiscal strategy for the northern coastal region of the health system. Riter oversees budgeting, financial planning, revenue cycle management, and resource allocation specifically for this service area, ensuring financial stability and growth. This leadership position involves close collaboration with regional operational leaders to align financial objectives with clinical service delivery and community health needs. By managing financial performance and identifying cost-saving opportunities, Richard Riter supports the delivery of high-quality, faith-based healthcare throughout the Coast Service Area (North). The executive's expertise is crucial in maintaining the financial integrity and operational capacity of Adventist Health's facilities in this region.

    Brooke McCollough - President, Adventist Health Lodi Memorial

    Brooke McCollough, the President, Adventist Health Lodi Memorial at Adventist Health, leads the strategic direction and operational management of the Lodi Memorial facility. McCollough oversees all aspects of hospital operations, ensuring the delivery of high-quality, compassionate patient care aligned with the organization's faith-based mission. This leadership role involves fostering strong relationships with physicians, staff, and the local community to enhance service offerings and patient satisfaction. By driving operational efficiency and strategic growth initiatives, Brooke McCollough strengthens Adventist Health's presence and impact in the Lodi region. The executive's focus is on advancing the hospital's commitment to community health and well-being through integrated and patient-centered care.
    Brooke McCollough

    Peggy Nakamura - Chief Revenue Officer

    Peggy Nakamura, the Chief Revenue Officer at Adventist Health, spearheads initiatives to optimize revenue generation and financial performance across the health system. Nakamura directs strategies for maximizing revenue streams, enhancing patient access, and improving the overall financial vitality of Adventist Health's services. This involves analyzing market trends, developing pricing strategies, and ensuring efficient revenue cycle management. By fostering collaboration between clinical and administrative departments, Peggy Nakamura drives revenue growth while upholding the organization's commitment to quality patient care. The executive's focus extends to identifying new opportunities for service expansion and revenue diversification, directly contributing to the sustainability and mission-driven operations of the health system.

    Rosalio Lopez - Chief Marketing Officer

    Rosalio Lopez, the Chief Marketing Officer at Adventist Health, leads the development and execution of comprehensive marketing and communication strategies to enhance brand visibility and patient engagement. Lopez directs efforts to articulate the value proposition of Adventist Health's services, build strong community relationships, and promote the organization's faith-based mission. This role involves overseeing advertising, digital marketing, public relations, and brand management to effectively reach diverse patient populations across the West Coast and Hawaii. By translating the organization's commitment to compassionate care into compelling narratives, Rosalio Lopez strengthens patient loyalty and attracts new individuals seeking quality healthcare. The executive's strategic direction ensures consistent brand messaging and supports the growth objectives of the health system.

    Willie Ewing - Chief of Staff

    Willie Ewing, the Chief of Staff at Adventist Health, provides strategic support and operational coordination to the executive leadership team, ensuring alignment and efficiency across key initiatives. Ewing manages critical projects, facilitates communication between departments, and drives the execution of strategic priorities set forth by the President & CEO. This role involves acting as a key liaison, streamlining decision-making processes, and enhancing the overall effectiveness of executive functions. By fostering collaboration and ensuring seamless workflow, Willie Ewing supports the health system's mission of delivering faith-based, integrated care. The executive's contributions are essential in navigating complex organizational challenges and advancing the strategic objectives of Adventist Health.

    Cheri McCall - Chief Human Resources Officer

    Cheri McCall, the Chief Human Resources Officer at Adventist Health, leads the strategic direction and operational management of all human resources functions across the integrated health system. McCall oversees talent acquisition, employee relations, compensation and benefits, organizational development, and workforce planning, ensuring a robust and engaged team. This critical role focuses on cultivating a supportive and mission-driven work environment that aligns with Adventist Health's faith-based values. By championing employee well-being and professional growth, Cheri McCall enhances the organization's ability to attract and retain top talent, thereby strengthening its capacity to deliver exceptional patient care. The executive's leadership is instrumental in fostering a culture of excellence and service.

    Robert Smitson - Chief Medical Officer

    Robert Smitson, the Chief Medical Officer at Adventist Health, provides clinical leadership and strategic direction for medical affairs across the health system. Smitson oversees the quality of patient care, clinical outcomes, and the implementation of evidence-based medical practices, ensuring adherence to the highest standards of healthcare delivery. This role involves collaborating with physicians, nurses, and administrative leaders to enhance clinical operations, patient safety, and physician engagement. By championing clinical excellence and innovation, Robert Smitson supports Adventist Health's mission to provide compassionate, integrated care. The executive's focus on clinical integrity and patient well-being is fundamental to the organization's commitment to serving its communities.

    Patrick Takahashi - Chief Medical Officer, System

    Patrick Takahashi, the Chief Medical Officer, System at Adventist Health, directs the overall clinical strategy and medical governance for the entire health system. Takahashi leads initiatives focused on improving patient outcomes, enhancing clinical quality, and ensuring the consistent application of best medical practices across all Adventist Health facilities. This executive position involves collaborating with regional Chief Medical Officers and clinical leadership to drive system-wide improvements in patient safety and care delivery. By fostering a culture of continuous learning and clinical excellence, Patrick Takahashi reinforces the organization's commitment to its faith-based mission and its role as a trusted healthcare provider. The executive's oversight ensures that medical services consistently meet the evolving needs of the communities served.

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    Frequently Asked Questions Regarding Adventist Health Top Executives and Leadership Team

    Who leads Adventist Health?
    Adventist Health is led by Denyse Bales-Chubb (President & Chief Executive Officer, Adventhealth Palm Coast, Market For Flagler & St Johns), along with executives such as Debbie Bach (Chief Financial Officer) and Richard Riter (Chief Financial Officer, Coast Service Area (North)).
    Who is part of Adventist Health’s executive team?
    The executive team of Adventist Health includes leaders such as Denyse Bales-Chubb (President & Chief Executive Officer, Adventhealth Palm Coast, Market For Flagler & St Johns), Debbie Bach (Chief Financial Officer), Richard Riter (Chief Financial Officer, Coast Service Area (North)) and other senior executives.
    How many executives does Adventist Health have?
    Adventist Health has 10 executives leading key business areas.
    What roles are included in Adventist Health’s leadership team?
    The leadership team of Adventist Health includes roles such as President & Chief Executive Officer, Adventhealth Palm Coast, Market For Flagler & St Johns, Chief Financial Officer, Chief Financial Officer, Coast Service Area (North), President, Adventist Health Lodi Memorial, Chief Revenue Officer.