OneOncology Executive and Leadership Team

July, 2026

Leadership Overview

OneOncology has 9 executives leading key functions including finance, operations, revenue, technology, human resources, legal, medical, and presidential oversight.

Driven by a physician-led, data-driven, technology-powered and patient-centric business model, OneOncology partners with independent community oncology practices nationwide to advance cancer care.

Leadership Roles at OneOncology

  • Chief Financial Officer - Jon Billington
  • Chief Operating Officer - Heather Chapa
  • President - ABCS - Jonathan Schwartz
  • President, Oncology Operations - Alison Andre
  • Chief Revenue Officer - Nirav Shah
  • Chief Technology Officer - Andrew Corts
  • Chief Human Resources Officer - Karen Kizzia
  • Chief Legal Officer - Vinay Bhupathy
  • Chief Medical Officer - Davey Daniel
  • Jon Billington - Chief Financial Officer

    Jon Billington, the Chief Financial Officer at OneOncology, directs all financial strategy and operations. Billington oversees capital allocation, financial planning, and investor relations, ensuring robust fiscal health for the national partnership of independent oncology practices. This leadership role involves managing budgets, optimizing revenue streams, and driving profitability across the organization. By ensuring financial stability, Jon Billington supports the company's mission to provide a physician-led, data-driven, technology-powered, and patient-centric model for cancer care. The Chief Financial Officer's oversight extends to all financial reporting and compliance, maintaining transparency and accountability. Billington's strategic financial management underpins OneOncology's capacity for growth and its commitment to supporting community oncology practices.
    Jon Billington

    Heather Chapa - Chief Operating Officer

    Heather Chapa, the Chief Operating Officer at OneOncology, executes operational strategies to enhance efficiency and service delivery. Chapa manages the day-to-day operations of the company, focusing on optimizing processes that support independent community oncology practices. This involves overseeing infrastructure, resource management, and the implementation of technology-powered solutions. The Chief Operating Officer ensures seamless integration of services across the national network, aligning operations with the company's patient-centric business model. Heather Chapa's leadership drives operational excellence, supporting the physician-led approach to cancer care. By streamlining workflows and managing resources effectively, Chapa contributes directly to the company's ability to deliver high-quality, data-driven oncology services. This role is critical for scaling operations and maintaining the integrity of OneOncology's unique partnership model.

    Jonathan Schwartz - President - ABCS

    Jonathan Schwartz, the President - ABCS at OneOncology, leads strategic initiatives for the Association of Community Cancer Centers (ABCS). Schwartz focuses on advancing the mission of community oncology through collaboration, advocacy, and the implementation of innovative care models. This leadership role involves driving programs that support independent oncology practices and enhance patient access to high-quality cancer treatment. The President - ABCS works to strengthen the network and promote best practices in data-driven, technology-powered healthcare delivery. Jonathan Schwartz's leadership is instrumental in fostering a unified approach among community cancer centers. By directing key programs, Schwartz contributes significantly to OneOncology's overall objective of improving cancer care nationwide. This position is critical for the strategic growth and impact of the ABCS.

    Alison Andre - President, Oncology Operations

    Alison Andre, the President, Oncology Operations at OneOncology, directs the operational execution across the company's oncology practices. Andre oversees the strategic implementation of OneOncology's physician-led, data-driven, and patient-centric model, ensuring seamless service delivery and operational efficiency. This leadership position involves managing key operational functions that support independent community oncology practices nationwide. The President, Oncology Operations focuses on optimizing workflows, resource allocation, and the integration of technology to enhance patient care. Alison Andre's operational expertise is crucial for scaling the company's impact and maintaining high standards of care. By driving operational excellence, Andre directly supports OneOncology's mission to advance cancer treatment and improve patient outcomes. This role is central to the effective functioning of the company's network.

    Nirav Shah - Chief Revenue Officer

    Nirav Shah, the Chief Revenue Officer at OneOncology, drives revenue generation and commercial strategy. Shah oversees all sales, business development, and revenue cycle management initiatives, focusing on expanding the company's reach and impact within the oncology sector. This leadership position involves identifying new market opportunities and strengthening relationships with existing partners. The Chief Revenue Officer ensures that OneOncology's physician-led, data-driven model translates into sustainable financial growth. Nirav Shah's expertise is crucial for maximizing revenue streams from the company's unique partnership approach. By optimizing commercial efforts, Shah directly supports the organization's mission to empower independent community oncology practices. This role is central to achieving OneOncology's strategic objectives and enhancing its market position.

    Andrew Corts - Chief Technology Officer

    Andrew Corts, the Chief Technology Officer at OneOncology, architects and directs the company's technology strategy. Corts oversees the development and implementation of innovative technological solutions that power OneOncology's data-driven and patient-centric business model. This includes managing the company's IT infrastructure, cybersecurity, and digital platforms that support independent oncology practices nationwide. The Chief Technology Officer ensures that technology enhances clinical decision-making and operational efficiency. Andrew Corts's vision is critical for leveraging data analytics and advanced tools to improve cancer care delivery. By driving technological advancement, Corts supports the physician-led approach and strengthens OneOncology's competitive edge. This role is fundamental to realizing the full potential of the company's technology-powered framework.

    Karen Kizzia - Chief Human Resources Officer

    Karen Kizzia, the Chief Human Resources Officer at OneOncology, leads all human capital strategies and initiatives. Kizzia oversees talent acquisition, employee development, compensation, and benefits, ensuring a robust and supportive organizational culture. This role is vital for attracting and retaining top talent across the national network of independent oncology practices. The Chief Human Resources Officer champions the company's physician-led and patient-centric values, fostering an environment where employees can thrive. Karen Kizzia's leadership ensures that OneOncology's workforce is aligned with its mission to advance cancer care through data and technology. By developing effective HR programs, Kizzia contributes to the overall success and sustainability of the company's unique partnership model. This position is key to building a high-performing team.
    Vinay Bhupathy, the Chief Legal Officer at OneOncology, provides strategic legal counsel and oversees all legal affairs. Bhupathy manages corporate governance, compliance, risk management, and contractual matters, ensuring adherence to all regulatory requirements. This leadership role is critical for navigating the complex legal landscape of healthcare and supporting the company's national partnership model. The Chief Legal Officer safeguards OneOncology's interests while facilitating its physician-led, data-driven operations. Vinay Bhupathy's expertise ensures that all business activities align with legal standards and ethical practices. By managing legal risks effectively, Bhupathy supports the company's mission to advance cancer care and protect its stakeholders. This position is essential for maintaining the integrity and stability of the organization.
    Vinay Bhupathy

    Davey Daniel - Chief Medical Officer

    Davey Daniel, the Chief Medical Officer at OneOncology, provides clinical leadership and strategic direction for patient care initiatives. Daniel oversees the medical aspects of the company's operations, ensuring that the physician-led, data-driven, and patient-centric model is effectively implemented across the network. This role involves guiding clinical best practices, supporting evidence-based medicine, and fostering innovation in oncology treatment. The Chief Medical Officer collaborates closely with practice leaders to enhance patient outcomes and quality of care. Davey Daniel's medical expertise is fundamental to OneOncology's mission of advancing cancer care. By championing clinical excellence, Daniel ensures that the company remains at the forefront of oncology services. This position is vital for maintaining the high standards of care delivered through OneOncology's partnerships.
    Davey Daniel

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    Frequently Asked Questions Regarding OneOncology Top Executives and Leadership Team

    Who leads OneOncology?
    OneOncology is led by Jon Billington (Chief Financial Officer), along with executives such as Heather Chapa (Chief Operating Officer) and Jonathan Schwartz (President - ABCS).
    Who is part of OneOncology’s executive team?
    The executive team of OneOncology includes leaders such as Jon Billington (Chief Financial Officer), Heather Chapa (Chief Operating Officer), Jonathan Schwartz (President - ABCS) and other senior executives.
    How many executives does OneOncology have?
    OneOncology has 9 executives leading key business areas.
    What roles are included in OneOncology’s leadership team?
    The leadership team of OneOncology includes roles such as Chief Financial Officer, Chief Operating Officer, President - ABCS, President, Oncology Operations, Chief Revenue Officer.