OneOncology Executive and Leadership Team

July, 2026

Leadership Overview

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

Driven by a commitment to advancing cancer care, OneOncology operates on a physician-led, data-driven, technology-powered, and patient-centric business model, solidifying its position as a national leader in community oncology.

Leadership Roles at OneOncology

  • Chief Financial Officer - Jon Billington
  • Chief Operating Officer - Heather Chapa
  • President - ABCS - Jonathan Schwartz
  • President, Oncology Operations - Alison Andre
  • Chief Technology Officer - Andrew Corts
  • Chief Revenue Officer - Nirav Shah
  • 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 the company's financial strategy and fiscal management. Billington oversees all financial operations, including budgeting, forecasting, capital allocation, and financial reporting, ensuring the fiscal health and sustainability of the organization. This role is critical in supporting OneOncology's growth and its mission to provide advanced cancer care through a physician-led, data-driven model. Jon Billington manages investor relations and financial partnerships, securing the resources necessary for technological innovation and operational expansion. The Chief Financial Officer's expertise underpins the company's ability to invest in patient-centric solutions and maintain a strong market position.
    Jon Billington

    Heather Chapa - Chief Operating Officer

    Heather Chapa, the Chief Operating Officer at OneOncology, spearheads the operational execution of the company's strategic initiatives. Chapa oversees the day-to-day operations across the national network, ensuring alignment with the physician-led, data-driven, and patient-centric model. This involves optimizing workflows, managing resources, and driving operational excellence within community oncology practices. Heather Chapa focuses on enhancing the efficiency and effectiveness of service delivery, directly impacting the patient experience and the overall success of OneOncology's partnerships. The Chief Operating Officer's leadership ensures that the company's operational framework consistently supports its mission to advance cancer care.

    Jonathan Schwartz - President - ABCS

    Jonathan Schwartz, the President - ABCS at OneOncology, leads the strategic direction and operational oversight for the American Board of Clinical Society. Schwartz drives initiatives aimed at advancing clinical practice and fostering collaboration among oncology professionals, aligning with OneOncology's core mission. This leadership role involves enhancing the value and impact of ABCS through data-driven insights and patient-centric approaches. Jonathan Schwartz focuses on strengthening the organization's position within the oncology landscape, ensuring its continued contribution to improving cancer care delivery nationwide. The President - ABCS's efforts are critical for the growth and success of this key division.

    Alison Andre - President, Oncology Operations

    Alison Andre, the President, Oncology Operations at OneOncology, directs the operational framework supporting the company's national network of independent oncology practices. Andre ensures the seamless execution of services, driving efficiency and excellence in patient care delivery. This leadership role is pivotal in translating OneOncology's physician-led, data-driven, and patient-centric model into tangible operational success across all affiliated sites. Alison Andre focuses on optimizing resource allocation, enhancing clinical workflows, and fostering strong relationships with practice leaders to advance cancer treatment. The President, Oncology Operations's strategic oversight is fundamental to achieving the company's mission of transforming community oncology.

    Andrew Corts - Chief Technology Officer

    Andrew Corts, the Chief Technology Officer at OneOncology, architects the company's technological infrastructure and digital strategy. Corts directs the development and implementation of innovative technology solutions that power OneOncology's physician-led, data-driven, and patient-centric business model. This involves overseeing all aspects of the technology stack, ensuring scalability, security, and seamless integration across the national network of independent oncology practices. Andrew Corts drives the digital transformation initiatives, enhancing operational efficiency and patient outcomes through advanced analytics and robust IT systems. The Chief Technology Officer's focus remains on leveraging technology to support the core mission of improving cancer care delivery nationwide.

    Nirav Shah - Chief Revenue Officer

    Nirav Shah, the Chief Revenue Officer at OneOncology, drives revenue generation and commercial strategy across the organization. Shah leads initiatives focused on expanding market share and optimizing revenue streams by strengthening partnerships with independent oncology practices. This involves developing and executing strategies that align with OneOncology's physician-led, data-driven, and patient-centric business model. Nirav Shah oversees sales, business development, and payer relations, ensuring sustainable financial growth and enhancing the value proposition for affiliated practices. The Chief Revenue Officer's leadership is instrumental in achieving the company's financial objectives and furthering its mission to transform cancer care.

    Karen Kizzia - Chief Human Resources Officer

    Karen Kizzia, the Chief Human Resources Officer at OneOncology, leads the company's human capital strategy and talent management initiatives. Kizzia focuses on cultivating a high-performance culture that supports OneOncology's physician-led, data-driven, and patient-centric business model. This involves overseeing recruitment, employee development, compensation, benefits, and fostering an inclusive work environment across the national network. Karen Kizzia ensures that the organization attracts and retains top talent, crucial for delivering exceptional cancer care and driving innovation. The Chief Human Resources Officer's strategic direction is vital for employee engagement and the overall success of OneOncology's mission.
    Vinay Bhupathy, the Chief Legal Officer at OneOncology, provides strategic legal counsel and oversees all legal affairs for the organization. Bhupathy ensures compliance with all applicable laws and regulations, manages risk, and supports the company's business objectives within its physician-led, data-driven, and patient-centric framework. This role involves advising on corporate governance, contracts, intellectual property, and litigation matters. Vinay Bhupathy plays a critical role in structuring partnerships and transactions, safeguarding the company's interests and facilitating its expansion. The Chief Legal Officer's expertise is essential for maintaining OneOncology's integrity and supporting its mission to advance cancer care.
    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 champions the company's physician-led, data-driven, and patient-centric model, ensuring the highest standards of oncology care are met across the network. This involves guiding clinical protocols, evaluating new treatment modalities, and fostering collaboration among affiliated physicians. Davey Daniel's insights are crucial for aligning clinical operations with business objectives and advancing the quality of cancer treatment. The Chief Medical Officer's focus is on enhancing patient outcomes and driving clinical innovation within community oncology settings.
    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 Technology Officer.