UnitedHealth Group Executive and Leadership Team

July, 2026

Leadership Overview

UnitedHealth Group has 10 executives leading key functions including operations, information technology, strategy, and clinical solutions.

Driven by a commitment to innovation, UnitedHealth Group delivers comprehensive health insurance plans and healthcare delivery services, leveraging technology and pharmacy benefits management to impact global markets.

Leadership Roles at UnitedHealth Group

  • Chief Executive Officer, Clinical Solutions, Optum Insight - Todd Walthall
  • Chief Operating Officer - John Fleig
  • Chief Operating Officer, UHC Employer and Individual - Aimee Russell
  • Chief Operating Officer, Optum Health Solutions - Reina Davis
  • Chief Information Officer - Jennifer Zmuda
  • Chief of Staff - Jacob Campshure
  • Medical Director, National & Chief Marketing Officer, Oncology, Genomics & Laboratory - Lucy Langer
  • Consumer Product Chief of Staff - John Draz
  • Innovation Vice President, Strategy & Chief of Staff - Kelly O'Rourke
  • Specialty Benefits Operations Chief of Staff - Kevin Libbesmeier
  • Todd Walthall - Chief Executive Officer, Clinical Solutions, Optum Insight

    Todd Walthall, the Chief Executive Officer, Clinical Solutions, Optum Insight at UnitedHealth Group, leads the strategic direction and operational execution of clinical solutions within the Optum Insight division. Walthall drives the development and delivery of advanced healthcare services and technology platforms that support clinical decision-making and patient care. This executive role involves overseeing the integration of data analytics, care management tools, and health IT services to improve health outcomes and operational efficiency. Todd Walthall's leadership focuses on enhancing the value proposition of Optum Insight's offerings to providers, payers, and employers. The Chief Executive Officer, Clinical Solutions, Optum Insight is instrumental in advancing UnitedHealth Group's capabilities in healthcare delivery and technology, reinforcing its position as a comprehensive health services provider.
    Todd Walthall

    John Fleig - Chief Operating Officer

    John Fleig, the Chief Operating Officer at UnitedHealth Group, directs the operational execution across various business segments. Fleig oversees the integration of healthcare delivery services and technology solutions, ensuring seamless service provision for individuals and businesses. This leadership role involves optimizing internal processes to enhance efficiency and service quality, directly supporting the company's mission to provide comprehensive health insurance plans. Fleig's operational oversight extends to managing the day-to-day functions that underpin UnitedHealth Group's extensive portfolio of subsidiaries. By focusing on operational excellence, John Fleig drives the effective delivery of medical, dental, vision, and life insurance coverage, reinforcing the organization's market position. The Chief Operating Officer ensures that operational strategies align with broader corporate objectives, contributing to UnitedHealth Group's overall growth and market impact.

    Aimee Russell - Chief Operating Officer, UHC Employer and Individual

    Aimee Russell, the Chief Operating Officer, UHC Employer and Individual at UnitedHealth Group, manages the operational framework for employer-sponsored and individual health insurance plans. Russell oversees the delivery of medical, dental, and vision coverage, ensuring operational efficiency and service excellence for a broad client base. This leadership position involves optimizing processes related to plan administration, customer service, and claims processing, directly impacting member satisfaction and retention. Aimee Russell's focus on operational execution supports UnitedHealth Group's commitment to providing accessible and comprehensive insurance solutions. The Chief Operating Officer, UHC Employer and Individual drives the strategic implementation of operational improvements within these key market segments. By enhancing operational capabilities, Russell contributes to the sustained growth and market penetration of UnitedHealth Group's core insurance products.

    Reina Davis - Chief Operating Officer, Optum Health Solutions

    Reina Davis, the Chief Operating Officer, Optum Health Solutions at UnitedHealth Group, directs the operational strategy and execution for Optum's health services delivery. Davis oversees the integration and expansion of clinical services, ensuring high-quality patient care and operational efficiency across a wide network of providers. This leadership role involves optimizing resource allocation, enhancing patient access, and driving performance improvements within Optum Health Solutions. Reina Davis's responsibilities extend to managing the complex operational demands of delivering integrated healthcare services. The Chief Operating Officer, Optum Health Solutions is pivotal in advancing UnitedHealth Group's capabilities in direct patient care and health system management. Davis's operational leadership strengthens Optum's position as a leading provider of health solutions.

    Jennifer Zmuda - Chief Information Officer

    Jennifer Zmuda, the Chief Information Officer at UnitedHealth Group, architects the company's technology strategy and digital infrastructure. Zmuda leads the development and implementation of innovative technology solutions that support UnitedHealth Group's diverse healthcare services and insurance offerings. This critical role involves ensuring the security, scalability, and efficiency of all IT systems, which are fundamental to delivering medical, dental, vision, and life insurance coverage. Zmuda's responsibilities include overseeing data management, cybersecurity, and the integration of advanced technologies across the organization's global operations. By driving technological advancement, Jennifer Zmuda enhances the company's ability to provide pharmacy benefits management and healthcare delivery services. The Chief Information Officer's strategic vision ensures that UnitedHealth Group remains at the forefront of digital innovation in the healthcare sector, supporting robust operational capabilities worldwide.

    Jacob Campshure - Chief of Staff

    Jacob Campshure, the Chief of Staff at UnitedHealth Group, provides strategic support and operational coordination across key leadership functions. Campshure facilitates the execution of initiatives that advance UnitedHealth Group's mission to deliver comprehensive health insurance and healthcare services. This role involves bridging communication between different departments and ensuring alignment on strategic priorities, including the expansion of medical, dental, vision, and life insurance plans. Campshure's responsibilities extend to managing special projects and driving operational efficiencies that enhance the delivery of pharmacy benefits management and technology solutions. By streamlining operations and fostering collaboration, Jacob Campshure supports the overall strategic direction of the organization. The Chief of Staff plays a pivotal part in translating high-level objectives into actionable plans, contributing to UnitedHealth Group's sustained growth and market leadership.

    Lucy Langer - Medical Director, National & Chief Marketing Officer, Oncology, Genomics & Laboratory

    Lucy Langer, the Medical Director, National & Chief Marketing Officer, Oncology, Genomics & Laboratory at UnitedHealth Group, spearheads strategic initiatives within specialized healthcare services. Langer directs the development and market positioning of advanced oncology, genomics, and laboratory offerings, integrating clinical expertise with marketing strategy. This dual role ensures that UnitedHealth Group's specialized healthcare solutions meet the evolving needs of patients and providers, enhancing the delivery of comprehensive medical coverage. Langer's responsibilities include driving innovation in diagnostic and treatment services, aligning clinical pathways with market demands. By focusing on these critical areas, Lucy Langer contributes significantly to the company's ability to offer cutting-edge healthcare solutions. The Medical Director, National & Chief Marketing Officer, Oncology, Genomics & Laboratory advances UnitedHealth Group's leadership in specialized medical fields, supporting the organization's broader mission.

    John Draz - Consumer Product Chief of Staff

    John Draz, the Consumer Product Chief of Staff at UnitedHealth Group, provides strategic coordination and operational support for consumer-facing product development. Draz facilitates the execution of initiatives aimed at enhancing UnitedHealth Group's portfolio of health insurance plans and related services for individuals. This role involves ensuring alignment between product strategy, market needs, and operational readiness for new offerings. John Draz's responsibilities include driving cross-functional collaboration to bring innovative consumer products to market efficiently. The Consumer Product Chief of Staff plays a key part in translating product vision into tangible outcomes, supporting UnitedHealth Group's commitment to accessible and user-friendly healthcare solutions. Draz's efforts contribute to the strategic growth and market competitiveness of UnitedHealth Group's consumer offerings.

    Kelly O'Rourke - Innovation Vice President, Strategy & Chief of Staff

    Kelly O'Rourke, the Innovation Vice President, Strategy & Chief of Staff at UnitedHealth Group, drives strategic planning and fosters innovation across the organization. O'Rourke leads initiatives focused on identifying and developing new opportunities that align with UnitedHealth Group's mission to improve health and well-being. This role involves close collaboration with executive leadership to shape future strategies and ensure the effective implementation of innovative solutions. Kelly O'Rourke's responsibilities include overseeing strategic projects and ensuring operational readiness for new ventures. The Innovation Vice President, Strategy & Chief of Staff contributes to UnitedHealth Group's forward-looking approach, enhancing its competitive edge in the healthcare and insurance markets. O'Rourke's strategic insights guide the company's evolution and expansion into emerging areas.

    Kevin Libbesmeier - Specialty Benefits Operations Chief of Staff

    Kevin Libbesmeier, the Specialty Benefits Operations Chief of Staff at UnitedHealth Group, provides critical operational support and strategic coordination for specialty benefits programs. Libbesmeier ensures the efficient delivery of services related to dental, vision, and other specialized insurance coverage, aligning operations with strategic objectives. This role involves streamlining processes and enhancing coordination across various operational teams to optimize service delivery. Kevin Libbesmeier's focus is on driving operational excellence within the specialty benefits sector, supporting UnitedHealth Group's comprehensive insurance offerings. The Specialty Benefits Operations Chief of Staff plays a vital part in translating strategic priorities into effective operational execution. Libbesmeier's contributions enhance the overall member experience and operational efficiency for UnitedHealth Group's specialty benefit plans.

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    Frequently Asked Questions Regarding UnitedHealth Group Top Executives and Leadership Team

    Who leads UnitedHealth Group?
    UnitedHealth Group is led by Todd Walthall (Chief Executive Officer, Clinical Solutions, Optum Insight), along with executives such as John Fleig (Chief Operating Officer) and Aimee Russell (Chief Operating Officer, UHC Employer and Individual).
    Who is part of UnitedHealth Group’s executive team?
    The executive team of UnitedHealth Group includes leaders such as Todd Walthall (Chief Executive Officer, Clinical Solutions, Optum Insight), John Fleig (Chief Operating Officer), Aimee Russell (Chief Operating Officer, UHC Employer and Individual) and other senior executives.
    How many executives does UnitedHealth Group have?
    UnitedHealth Group has 10 executives leading key business areas.
    What roles are included in UnitedHealth Group’s leadership team?
    The leadership team of UnitedHealth Group includes roles such as Chief Executive Officer, Clinical Solutions, Optum Insight, Chief Operating Officer, Chief Operating Officer, UHC Employer and Individual, Chief Operating Officer, Optum Health Solutions, Chief Information Officer.