OneOncology Executive and Leadership Team

September, 2026

Leadership Overview

OneOncology has 7 executives leading key functions including strategy, financial oversight, operational management, human resources, administrative coordination, legal compliance, and clinical excellence.

Focused on empowering independent cancer care practices, OneOncology delivers comprehensive support to enhance patient outcomes through advanced technology, data analytics, and value-based care models across community-based oncology networks.

Leadership Roles at OneOncology

  • Chief Executive Officer & Board Member - Jeff Patton
  • Chief Financial Officer - Jon Billington
  • Chief Operating Officer - Heather Wade
  • Senior Director - Strategy and Operations (Chief of Staff To Chief Operating Officer) - Dallin Pope
  • Chief Human Resources Officer - Karen Kizzia
  • Chief Legal Officer - Vinay Bhupathy
  • Chief Medical Officer - Davey Daniel
  • 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 independent cancer care practices with centralized resources, the Chief Executive Officer & Board Member ensures consistent delivery of high-quality, community-based oncology services. Patton architects long-term growth initiatives that integrate clinical research with robust practice management solutions. This leadership role involves constant collaboration with the Board to maintain financial stability while expanding access to innovative cancer treatments across North American markets. Through the optimization of revenue cycle management and data analytics, the Chief Executive Officer & Board Member drives operational efficiency for all affiliated providers. Jeff Patton maintains a focus on patient-centered care, ensuring that local physician leadership remains the cornerstone of the organization. Ultimately, the Chief Executive Officer & Board Member secures the competitive position of the network within the evolving landscape of value-based oncology care.
    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 independent practices possess the necessary resources to thrive in a value-based care environment. Billington directs complex financial modeling to support the expansion of clinical services and the adoption of new medical technologies. This leadership role requires close coordination with the Board to monitor performance metrics and ensure sustainable growth across regional operations. By implementing rigorous data analytics, the Chief Financial Officer identifies opportunities for cost optimization and improved practice profitability. Jon Billington maintains strict oversight of financial compliance and reporting standards, providing the foundation for strategic decision-making. Through disciplined fiscal management, the Chief Financial Officer enables the organization to scale effectively while maintaining the highest standards of patient care delivery.
    Jon Billington

    Heather Wade - Chief Operating Officer

    Heather Wade, the Chief Operating Officer at OneOncology, executes the daily operational strategies that empower independent cancer care practices. By streamlining practice management workflows and integrating advanced technology platforms, the Chief Operating Officer ensures seamless service delivery across the network. Wade directs the implementation of standardized operational protocols that enhance efficiency and improve patient outcomes in community settings. This leadership role involves managing cross-functional teams to support clinical research initiatives and strategic service expansion. By optimizing the interface between local physician leadership and centralized resources, the Chief Operating Officer drives consistent performance across diverse geographic regions. Heather Wade maintains a focus on operational excellence, ensuring that all affiliated practices benefit from scalable infrastructure and data-driven insights. Through the continuous refinement of administrative processes, the Chief Operating Officer supports the overarching mission of providing comprehensive, patient-centered oncology services to communities nationwide.

    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, coordinates the strategic initiatives and operational priorities that define the network's growth. By facilitating communication between the Chief Operating Officer and various departments, the Senior Director - Strategy and Operations (Chief of Staff To Chief Operating Officer) ensures that organizational objectives remain synchronized. Pope directs the execution of complex projects that enhance practice management and clinical service delivery. This leadership role involves analyzing market trends and operational data to inform strategic decision-making across the organization. By managing the flow of information and resources, the Senior Director - Strategy and Operations (Chief of Staff To Chief Operating Officer) optimizes the efficiency of the executive office. Dallin Pope maintains a focus on cross-functional alignment, ensuring that all strategic efforts support the broader mission of improving patient outcomes. Through meticulous coordination, the Senior Director - Strategy and Operations (Chief of Staff To Chief Operating Officer) drives the successful implementation of key operational goals.

    Karen Kizzia - Chief Human Resources Officer

    Karen Kizzia, the Chief Human Resources Officer at OneOncology, architects the talent acquisition and organizational development strategies necessary to support a growing network of oncology professionals. By fostering a culture of clinical excellence and physician leadership, the Chief Human Resources Officer ensures that affiliated practices attract and retain top-tier medical talent. Kizzia directs comprehensive workforce planning initiatives that align human capital with the evolving needs of community-based cancer care. This leadership role involves designing professional development programs and performance management systems that drive organizational engagement. By overseeing internal communications and cultural integration, the Chief Human Resources Officer maintains alignment across the diverse network. Karen Kizzia implements strategic HR policies that support the operational goals of the company, ensuring that every team member contributes to the delivery of high-quality patient care. Through effective talent management, the Chief Human Resources Officer strengthens the foundation of the entire oncology organization.
    Vinay Bhupathy, the Chief Legal Officer at OneOncology, directs the legal strategy and regulatory compliance framework for the entire physician-led network. By navigating the complexities of healthcare law and value-based care regulations, the Chief Legal Officer ensures that all partnerships with independent practices remain secure and compliant. Bhupathy architects robust legal structures that protect the organization while enabling the expansion of clinical research and strategic services. This leadership role involves managing risk, overseeing contract negotiations, and providing counsel on corporate governance matters. By collaborating with the Board and executive leadership, the Chief Legal Officer ensures that all business activities align with legal standards and ethical practices. Vinay Bhupathy maintains a focus on safeguarding the interests of the network, allowing providers to concentrate on delivering high-quality, community-based cancer care. Through proactive legal management, the Chief Legal Officer supports the long-term stability and growth of the organization.
    Vinay Bhupathy

    Davey Daniel - Chief Medical Officer

    Davey Daniel, the Chief Medical Officer at OneOncology, directs the clinical strategy and quality improvement initiatives that define the network's patient care standards. By promoting evidence-based medicine and innovative treatment protocols, the Chief Medical Officer ensures that affiliated practices deliver superior outcomes in community settings. Daniel architects clinical research programs that expand access to cutting-edge therapies for patients across the network. This leadership role involves collaborating with physician leaders to integrate data analytics into daily practice, thereby enhancing the effectiveness of value-based care models. By overseeing clinical quality metrics, the Chief Medical Officer drives continuous improvement in patient-centered oncology services. Davey Daniel maintains a focus on clinical excellence, ensuring that the network remains at the forefront of cancer care advancements. Through the leadership of medical initiatives, the Chief Medical Officer supports the organization's mission to provide comprehensive, high-quality care to every patient served.
    Davey Daniel

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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 Heather Wade (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), Heather Wade (Chief Operating Officer) and other senior executives.
    How many executives does OneOncology have?
    OneOncology has 7 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, Chief Operating Officer, Senior Director - Strategy and Operations (Chief of Staff To Chief Operating Officer), Chief Human Resources Officer.