Centene Executive and Leadership Team

June, 2026

Leadership Overview

Centene has 10 executives leading key functions including strategy, operations, and information technology.

Driven by a commitment to community health, Centene transforms the health of the communities it serves, one person at a time, by increasing access to integrated, culturally sensitive healthcare that supports physical, emotional, and social wellbeing.

Leadership Roles at Centene

  • Chief Executive Officer - Sarah London
  • Plan President & Chief Executive Officer - Adam Proctor
  • Vice President, Finance & Chief Financial Officer, Delaware Health - Jerry Flannery
  • Chief Operating Officer - Centene Dental and Vision - Michael Grover
  • Chief Operating Officer, Sunflower Health Plan - Sherilyn Fahlstrom
  • Chief Operating Officer, Health Plan - Rayshawn Clay
  • Chief of Staff - Amy Alberg
  • Vice President, Quality & Chief of Staff - Joellen Simons
  • Chief Information Officer, Shared Services - Gloria Romeo
  • Executive Vice President & Chief Information Officer - Brian LeClaire
  • Sarah London - Chief Executive Officer

    Sarah London, the Chief Executive Officer at Centene, directs the overall strategic vision and operational execution for the enterprise. Overseeing all major business units, London ensures alignment with the companys mission to provide affordable, high-quality health coverage, particularly to underserved populations across all 50 U.S. states. This leadership role involves driving innovation in integrated care solutions and expanding access to services that support physical, emotional, and social wellbeing. By focusing on market expansion and enhancing member experience, Sarah London guides Centene in its commitment to transforming community health. The Chief Executive Officer's responsibilities include fostering strong relationships with stakeholders, navigating complex regulatory environments, and championing the companys growth initiatives. London's strategic direction ensures Centene maintains its position as a leading managed care organization, dedicated to serving millions of individuals and families nationwide.
    Sarah London

    Adam Proctor - Plan President & Chief Executive Officer

    Adam Proctor, the Plan President & Chief Executive Officer at Centene, spearheads the strategic direction and operational management for specific health plan initiatives. Overseeing regional operations, Proctor ensures the delivery of accessible, high-quality healthcare services tailored to the unique needs of the communities served. This executive role involves driving growth and operational excellence within designated markets, focusing on expanding access to integrated care solutions. By managing key relationships and optimizing service delivery, Adam Proctor supports Centene's overarching mission to transform community health. The Plan President & Chief Executive Officer's duties include ensuring regulatory compliance, enhancing member satisfaction, and fostering strong partnerships with healthcare providers. Proctor's leadership is critical in executing Centene's strategy at the local level, reinforcing the companys commitment to serving underserved populations and promoting overall wellbeing.
    Adam Proctor

    Jerry Flannery - Vice President, Finance & Chief Financial Officer, Delaware Health

    Jerry Flannery, the Vice President, Finance & Chief Financial Officer, Delaware Health at Centene, directs the financial strategy and management for Centene's operations in Delaware. Overseeing all financial activities, Flannery ensures fiscal responsibility, drives financial planning, and supports the delivery of affordable, high-quality healthcare services. This critical role involves managing budgets, optimizing financial performance, and ensuring compliance with financial regulations. By providing robust financial oversight, Jerry Flannery contributes to Centene's mission of transforming community health. The Vice President, Finance & Chief Financial Officer's responsibilities include financial reporting, investment strategy, and risk management. Flannery's financial acumen is vital in sustaining Centene's growth and its commitment to serving underserved populations and promoting overall wellbeing.
    Jerry Flannery

    Michael Grover - Chief Operating Officer - Centene Dental and Vision

    Michael Grover, the Chief Operating Officer - Centene Dental and Vision at Centene, directs the operational strategy and execution for the companys dental and vision care segments. Overseeing all aspects of service delivery, Grover ensures access to affordable, high-quality specialized health coverage nationwide. This leadership position involves driving innovation in member services, optimizing provider networks, and enhancing the overall member experience within these specific lines of business. By focusing on operational efficiency and strategic growth, Michael Grover supports Centene's broader mission to transform community health. The Chief Operating Officer's responsibilities include managing departmental budgets, ensuring regulatory compliance, and fostering strong relationships with stakeholders in the dental and vision sectors. Grover's expertise is crucial in expanding Centene's integrated care solutions and promoting holistic wellbeing.
    Michael Grover

    Sherilyn Fahlstrom - Chief Operating Officer, Sunflower Health Plan

    Sherilyn Fahlstrom, the Chief Operating Officer, Sunflower Health Plan at Centene, leads the operational strategy and execution for the Sunflower Health Plan. Overseeing all aspects of plan management, Fahlstrom ensures the delivery of accessible, high-quality healthcare services within its designated service areas. This executive role involves driving operational efficiency, enhancing member and provider satisfaction, and supporting the growth of the plan. By managing key relationships and optimizing service delivery, Sherilyn Fahlstrom contributes to Centene's mission of transforming community health. The Chief Operating Officer's responsibilities include ensuring regulatory compliance, managing departmental performance, and fostering strong partnerships within the healthcare ecosystem. Fahlstrom's leadership is instrumental in executing Centene's strategy at the regional level, reinforcing the commitment to serving underserved populations and promoting holistic wellbeing.

    Rayshawn Clay - Chief Operating Officer, Health Plan

    Rayshawn Clay, the Chief Operating Officer, Health Plan at Centene, oversees the comprehensive operational management of Centene's health plan divisions. Directing day-to-day activities, Clay ensures the effective delivery of affordable, high-quality health coverage and related services to millions of members nationwide. This executive role involves driving operational excellence, optimizing resource allocation, and enhancing member and provider engagement across all health plan operations. By focusing on efficiency and service quality, Rayshawn Clay supports Centene's mission to transform community health. The Chief Operating Officer's responsibilities include managing operational budgets, ensuring regulatory compliance, and implementing strategic initiatives to improve healthcare access and outcomes. Clay's leadership is essential in maintaining Centene's position as a leading managed care organization serving diverse populations.
    Rayshawn Clay

    Amy Alberg - Chief of Staff

    Amy Alberg, the Chief of Staff at Centene, provides critical strategic support and operational coordination across executive functions. Managing key initiatives and facilitating communication between departments, Alberg ensures seamless execution of Centene's mission to deliver affordable, high-quality health coverage. This role involves driving cross-functional projects, optimizing internal processes, and supporting the leadership team in strategic decision-making. By enhancing organizational efficiency and alignment, Amy Alberg contributes directly to the transformation of community health. The Chief of Staff's responsibilities include preparing executive briefings, managing special projects, and ensuring that strategic priorities are effectively implemented throughout the organization. Alberg's efforts are vital in maintaining Centene's focus on serving underserved populations and promoting holistic wellbeing.

    Joellen Simons - Vice President, Quality & Chief of Staff

    Joellen Simons, the Vice President, Quality & Chief of Staff at Centene, drives initiatives focused on enhancing healthcare quality and providing strategic operational support. Overseeing quality assurance programs and coordinating key executive projects, Simons ensures that Centene's services meet the highest standards of care and align with its mission. This dual role involves implementing quality improvement strategies and facilitating the efficient execution of organizational priorities. By focusing on excellence and operational alignment, Joellen Simons contributes to the transformation of community health. The Vice President, Quality & Chief of Staff's responsibilities include monitoring performance metrics, supporting leadership decision-making, and ensuring adherence to best practices across all operations. Simons's dedication to quality is vital in maintaining Centene's commitment to serving underserved populations and promoting holistic wellbeing.

    Gloria Romeo - Chief Information Officer, Shared Services

    Gloria Romeo, the Chief Information Officer, Shared Services at Centene, directs the strategic development and implementation of information technology solutions across shared services functions. Overseeing the technology infrastructure and digital transformation efforts, Romeo ensures robust, secure, and efficient IT operations that support Centene's mission of providing accessible healthcare. This leadership role involves driving innovation in technology platforms, optimizing data management, and enhancing cybersecurity measures. By leveraging technology, Gloria Romeo supports Centene's commitment to transforming community health and improving member experiences. The Chief Information Officer's responsibilities include managing IT budgets, leading technology teams, and ensuring that IT systems effectively support business objectives and regulatory requirements. Romeo's strategic vision is critical in advancing Centene's capabilities and serving its diverse member base.

    Brian LeClaire - Executive Vice President & Chief Information Officer

    Brian LeClaire, the Executive Vice President & Chief Information Officer at Centene, leads the companys comprehensive information technology strategy and execution. Overseeing all aspects of technology infrastructure, digital innovation, and data security, LeClaire ensures that Centene's IT systems effectively support its mission of providing accessible, high-quality healthcare. This senior leadership role involves driving technological advancements, optimizing enterprise-wide IT operations, and enhancing cybersecurity measures to protect sensitive member information. By championing digital transformation, Brian LeClaire supports Centene's commitment to transforming community health. The Executive Vice President & Chief Information Officer's responsibilities include managing IT investments, leading global technology teams, and aligning IT strategy with business objectives. LeClaire's expertise is crucial in advancing Centene's capabilities and ensuring seamless service delivery to its diverse member base.
    Brian LeClaire

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    Frequently Asked Questions Regarding Centene Top Executives and Leadership Team

    Who leads Centene?
    Centene is led by Sarah London (Chief Executive Officer), along with executives such as Adam Proctor (Plan President & Chief Executive Officer) and Jerry Flannery (Vice President, Finance & Chief Financial Officer, Delaware Health).
    Who is part of Centene’s executive team?
    The executive team of Centene includes leaders such as Sarah London (Chief Executive Officer), Adam Proctor (Plan President & Chief Executive Officer), Jerry Flannery (Vice President, Finance & Chief Financial Officer, Delaware Health) and other senior executives.
    How many executives does Centene have?
    Centene has 10 executives leading key business areas.
    What roles are included in Centene’s leadership team?
    The leadership team of Centene includes roles such as Chief Executive Officer, Plan President & Chief Executive Officer, Vice President, Finance & Chief Financial Officer, Delaware Health, Chief Operating Officer - Centene Dental and Vision, Chief Operating Officer, Sunflower Health Plan.