OneOncology Executive and Leadership Team

October, 2026

Leadership Overview

OneOncology has 6 executives leading key functions including strategy, financial management, operational oversight, human capital, clinical excellence, and legal compliance.

Focused on empowering independent cancer care providers, OneOncology delivers comprehensive practice management and clinical research support to ensure high-quality, patient-centered outcomes across community-based oncology networks.

Leadership Roles at OneOncology

  • Chief Executive Officer & Board Member - Jeff Patton
  • Chief Financial Officer - Jon Billington
  • Senior Director - Strategy and Operations (Chief of Staff To Chief Operating Officer) - Dallin Pope
  • Chief Human Resources Officer - Karen Kizzia
  • Chief Medical Officer - Davey Daniel
  • Chief Legal Officer - Vinay Bhupathy
  • Jeff Patton - Chief Executive Officer & Board Member

    Jeff Patton, the Chief Executive Officer & Board Member at OneOncology, directs the overarching strategic vision for the physician-led network. By aligning clinical expertise with centralized operational resources, the Chief Executive Officer & Board Member drives growth across independent cancer care practices. This leadership role involves constant collaboration with the Board to refine value-based care models and expand access to innovative treatments. Jeff Patton ensures that the organization maintains a focus on high-quality, community-based cancer care while optimizing financial performance for affiliated providers. Through the integration of data analytics and practice management services, the Chief Executive Officer & Board Member strengthens the competitive position of oncology clinics nationwide. By fostering a culture of physician leadership, the organization achieves superior patient outcomes. Ultimately, Patton secures the long-term sustainability of the network by scaling operational efficiencies and promoting excellence in oncology service delivery.
    Jeff Patton

    Jon Billington - Chief Financial Officer

    Jon Billington, the Chief Financial Officer at OneOncology, manages the fiscal health and capital allocation strategies for the entire oncology network. Overseeing revenue cycle management and financial planning, the Chief Financial Officer ensures that affiliated practices maintain robust economic stability while delivering advanced cancer care. This role involves rigorous analysis of practice performance metrics to drive operational efficiency and support sustainable growth. Jon Billington coordinates with executive leadership to implement value-based care initiatives that maximize reimbursement and improve financial outcomes. By leveraging data analytics, the Chief Financial Officer identifies opportunities for cost optimization and resource distribution across the national network. Billington maintains strict oversight of financial reporting and compliance, ensuring transparency for all stakeholders. Through disciplined fiscal management, the Chief Financial Officer supports the expansion of clinical services, enabling providers to focus on patient-centered care without compromising the financial integrity of the organization.
    Jon Billington

    Dallin Pope - Senior Director - Strategy and Operations (Chief of Staff To Chief Operating Officer)

    Dallin Pope, the Senior Director - Strategy and Operations (Chief of Staff To Chief Operating Officer) at OneOncology, architects the operational workflows that connect independent practices with centralized support services. By streamlining practice management processes, the Senior Director - Strategy and Operations (Chief of Staff To Chief Operating Officer) enhances the daily efficiency of oncology clinics. This role involves managing cross-functional projects that integrate technology and data analytics into clinical environments. Dallin Pope facilitates communication between the Chief Operating Officer and regional leadership to ensure alignment with corporate strategic goals. By identifying bottlenecks in service delivery, the Senior Director - Strategy and Operations (Chief of Staff To Chief Operating Officer) implements scalable solutions that improve patient access to innovative treatments. Pope drives the execution of operational initiatives that support the broader mission of high-quality, community-based cancer care. Through meticulous project management, the Senior Director - Strategy and Operations (Chief of Staff To Chief Operating Officer) optimizes the operational infrastructure of the entire network.

    Karen Kizzia - Chief Human Resources Officer

    Karen Kizzia, the Chief Human Resources Officer at OneOncology, directs the talent acquisition, organizational development, and culture-building initiatives for the network. By attracting top-tier clinical and administrative professionals, the Chief Human Resources Officer ensures that affiliated practices possess the human capital necessary to deliver exceptional patient care. This role involves designing comprehensive training programs that align with the organization's focus on value-based care and clinical excellence. Karen Kizzia manages employee engagement strategies that foster a collaborative environment across diverse geographic locations. By implementing performance management systems, the Chief Human Resources Officer drives accountability and professional growth within the workforce. Kizzia works closely with executive leadership to align human resources policies with the company's long-term strategic objectives. Through the development of robust talent pipelines, the Chief Human Resources Officer supports the expansion of the oncology network, ensuring that every practice maintains a high standard of service and operational efficiency.

    Davey Daniel - Chief Medical Officer

    Davey Daniel, the Chief Medical Officer at OneOncology, leads the clinical strategy and research initiatives that define the network's approach to cancer care. By standardizing clinical protocols and promoting evidence-based practices, the Chief Medical Officer ensures that patients receive consistent, high-quality treatment across all affiliated clinics. This role involves overseeing clinical research programs that provide patients with access to innovative therapies and cutting-edge oncology services. Davey Daniel collaborates with physician leaders to integrate data analytics into clinical decision-making, thereby improving patient outcomes and operational efficiency. The Chief Medical Officer drives the adoption of value-based care models that prioritize patient health and treatment efficacy. By fostering a network of clinical excellence, Daniel strengthens the organization's reputation as a leader in community-based oncology. Through continuous monitoring of clinical performance, the Chief Medical Officer ensures that the network remains at the forefront of medical advancements and patient-centered care delivery.
    Davey Daniel
    Vinay Bhupathy, the Chief Legal Officer at OneOncology, manages the legal framework, regulatory compliance, and risk mitigation strategies for the entire oncology network. By navigating the complex landscape of healthcare law, the Chief Legal Officer ensures that all practice management and clinical research activities adhere to federal and state regulations. This role involves drafting and negotiating strategic partnerships that enable the organization to expand its footprint in community-based cancer care. Vinay Bhupathy provides counsel on governance matters, protecting the interests of the network and its affiliated physicians. By proactively addressing legal challenges, the Chief Legal Officer supports the seamless integration of new practices into the OneOncology ecosystem. Bhupathy works closely with the executive team to ensure that all business operations align with ethical standards and legal requirements. Through diligent oversight of contractual obligations, the Chief Legal Officer secures the operational stability and long-term growth of the organization.
    Vinay Bhupathy

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    Frequently Asked Questions Regarding OneOncology Top Executives and Leadership Team

    Who leads OneOncology?
    OneOncology is led by Jeff Patton (Chief Executive Officer & Board Member), along with executives such as Jon Billington (Chief Financial Officer) and Dallin Pope (Senior Director - Strategy and Operations (Chief of Staff To Chief Operating Officer)).
    Who is part of OneOncology’s executive team?
    The executive team of OneOncology includes leaders such as Jeff Patton (Chief Executive Officer & Board Member), Jon Billington (Chief Financial Officer), Dallin Pope (Senior Director - Strategy and Operations (Chief of Staff To Chief Operating Officer)) and other senior executives.
    How many executives does OneOncology have?
    OneOncology has 6 executives leading key business areas.
    What roles are included in OneOncology’s leadership team?
    The leadership team of OneOncology includes roles such as Chief Executive Officer & Board Member, Chief Financial Officer, Senior Director - Strategy and Operations (Chief of Staff To Chief Operating Officer), Chief Human Resources Officer, Chief Medical Officer.