Carelon Executive and Leadership Team

July, 2026

Leadership Overview

Carelon has 9 executives leading key functions including technology, strategy, and research.

Driven by a vision for a healthier system, Carelon connects the care journey through personalized, people-first care models, digital tools, and services that address all factors influencing an individuals whole-person health, making better care more affordable and reducing complexity.

Leadership Roles at Carelon

  • Staff Vice President & To Carelon Health Chief of Staff & President - Abigail Milloy
  • President, At Carelon Research - Mark Cziraky
  • President & Chief Medical Officer, Clinical Excellence & Carelon Health - Robert Mandel
  • President SCDA of Okaloosa County - Bernisha McNabb
  • Chief Information Officer - Swami Subramaniam
  • Chief Information Officer, Carelon Specialty Care - Neelima Annam
  • Chief of Staff & Director, Business Strategy Plan Clinical Pharmacy Services - Todd Peters
  • Chief of Staff & Director, Business Strategy, Care Delivery & External Growth - Alyssa Reynolds
  • Director, Planning and Performance and Chief of Staff - Raymond Wilson
  • Abigail Milloy - Staff Vice President & To Carelon Health Chief of Staff & President

    Abigail Milloy, the Staff Vice President & To Carelon Health Chief of Staff & President at Carelon, provides critical strategic support and operational leadership to the President of Carelon Health. Milloy ensures that Carelon Health's initiatives are aligned with the company's broader mission of achieving whole health through connected systems and integrated digital tools. This executive role involves facilitating communication and collaboration across various healthcare stakeholders, including individuals, health plans, employers, and providers, to drive better outcomes and affordability. Abigail Milloy plays a key part in translating the vision for a healthier system into tangible solutions that address complex and chronic conditions, behavioral health challenges, and the convenience of virtual care. By enhancing operational efficiency and strategic focus within Carelon Health, Milloy directly contributes to making better care more affordable and reducing complexity across the healthcare ecosystem.

    Mark Cziraky - President, At Carelon Research

    Mark Cziraky, the President, At Carelon Research at Carelon, leads the research and development initiatives that underpin Carelon's commitment to evidence-based, value-based care. Cziraky directs the generation of clinical insights, data analytics, and research findings that inform the company's strategies for improving health outcomes and affordability. This executive role is crucial in ensuring that Carelon's personalized, people-first care models are grounded in scientific rigor and address the full spectrum of an individual's whole-person health. Mark Cziraky oversees the exploration of innovative solutions for complex and chronic conditions, behavioral health challenges, and the integration of virtual care. By advancing research capabilities, Cziraky directly contributes to making better care more affordable and reducing complexity, ensuring that Carelon remains at the forefront of healthcare innovation and delivers exponential benefits to all stakeholders.
    Mark Cziraky

    Robert Mandel - President & Chief Medical Officer, Clinical Excellence & Carelon Health

    Robert Mandel, the President & Chief Medical Officer, Clinical Excellence & Carelon Health at Carelon, drives the clinical strategy and ensures the highest standards of care delivery across the organization. Mandel oversees the integration of clinical best practices, data analytics, and research insights to enhance patient outcomes and system-wide affordability. This leadership role is central to connecting the care journey through personalized, people-first models that address the whole-person health of individuals, including those with complex and chronic conditions or behavioral health challenges. Robert Mandel champions initiatives that simplify end-to-end healthcare experiences and reduce complexity, ensuring that value-based care is accessible and effective. By focusing on clinical excellence, Mandel directly contributes to making better care more affordable and empowering providers and patients alike within the connected healthcare system.

    Bernisha McNabb - President SCDA of Okaloosa County

    Bernisha McNabb, the President SCDA of Okaloosa County at Carelon, leads strategic initiatives focused on community health and development within the Okaloosa County region. McNabb ensures that local efforts align with Carelon's broader mission of achieving whole health through connected systems and integrated digital tools, thereby improving outcomes for individuals and providers in the area. This executive role involves fostering partnerships and implementing programs that address specific community health needs, contributing to making better care more affordable and accessible. Bernisha McNabb's focus on local engagement and strategic planning helps to reduce complexity in healthcare delivery at the community level. By driving targeted initiatives, McNabb directly supports Carelon's goal of empowering individuals and enhancing the overall health and well-being of the communities served.

    Swami Subramaniam - Chief Information Officer

    Swami Subramaniam, the Chief Information Officer at Carelon, architects the enterprise-wide technology strategy, ensuring integrated digital tools and shared data connect the entire healthcare system. Subramaniam drives the implementation of scalable IT infrastructure that supports Carelon's mission to achieve whole health for individuals, health plans, employers, and providers. This leadership role involves overseeing all aspects of information technology, from cybersecurity to data analytics, directly impacting the company's ability to turn complex challenges into exponential solutions. By optimizing technological resources, Swami Subramaniam ensures seamless connectivity across the care journey, empowering stakeholders with the necessary digital capabilities to deliver personalized, people-first care models and improve overall health outcomes. The Chief Information Officer's focus remains on leveraging technology to make better care more affordable and reduce systemic complexity.

    Neelima Annam - Chief Information Officer, Carelon Specialty Care

    Neelima Annam, the Chief Information Officer, Carelon Specialty Care at Carelon, directs the technology vision and execution specifically for Carelon's specialty care divisions. Annam ensures that integrated digital tools and shared data facilitate a connected healthcare system within these specialized areas, supporting the overarching goal of whole health. This executive oversees the development and deployment of technology solutions that address the unique needs of individuals managing complex and chronic conditions, behavioral health challenges, and those seeking convenient virtual care. Neelima Annam's responsibilities include enhancing the digital experience for patients and providers within specialty care settings, thereby improving outcomes and making care more accessible. By focusing on the specific technological requirements of specialty care, Annam drives innovation and efficiency, ensuring that Carelon Specialty Care leverages its expertise, compassion, and technology to deliver exponential benefits and simplify end-to-end healthcare experiences.

    Todd Peters - Chief of Staff & Director, Business Strategy Plan Clinical Pharmacy Services

    Todd Peters, the Chief of Staff & Director, Business Strategy Plan Clinical Pharmacy Services at Carelon, spearheads the strategic planning and business development initiatives for Carelon's clinical pharmacy services. Peters ensures alignment between business strategy and the delivery of value-based care, focusing on improving outcomes and affordability. This leadership position involves translating the company's vision for a healthier system into actionable plans that connect individuals, health plans, employers, and providers through optimized pharmacy services. Todd Peters drives the integration of data analytics, research, and clinical insights to ensure each person accesses proven care, particularly concerning medication management and doorstep prescription delivery. By streamlining end-to-end healthcare experiences within the pharmacy domain, Peters contributes significantly to making better care more affordable and reducing complexity for all stakeholders involved in the healthcare system.

    Alyssa Reynolds - Chief of Staff & Director, Business Strategy, Care Delivery & External Growth

    Alyssa Reynolds, the Chief of Staff & Director, Business Strategy, Care Delivery & External Growth at Carelon, drives the strategic direction for Carelon's care delivery models and expansion efforts. Reynolds ensures that business strategies are integrated with the company's commitment to whole-person health, leveraging digital tools and shared data to connect the entire healthcare system. This executive role focuses on identifying and capitalizing on opportunities for external growth, enhancing the accessibility and effectiveness of Carelon's services for individuals, health plans, employers, and providers. Alyssa Reynolds oversees the strategic planning necessary to address complex and chronic conditions, behavioral health challenges, and the expansion of virtual care options. By focusing on strategic growth and optimizing care delivery, Reynolds directly contributes to making better care more affordable and reducing complexity within the healthcare landscape.

    Raymond Wilson - Director, Planning and Performance and Chief of Staff

    Raymond Wilson, the Director, Planning and Performance and Chief of Staff at Carelon, oversees the strategic planning processes and performance management frameworks that support Carelon's mission of achieving whole health. Wilson ensures that operational plans are aligned with the company's vision for a connected healthcare system, utilizing integrated digital tools and shared data to improve outcomes for individuals, health plans, employers, and providers. This leadership role involves analyzing performance metrics and identifying areas for strategic improvement to make better care more affordable and reduce complexity. Raymond Wilson contributes to the development of solutions that address complex and chronic conditions, behavioral health challenges, and the overall efficiency of care delivery. By focusing on planning and performance, Wilson drives the effective execution of strategies aimed at simplifying end-to-end healthcare experiences and empowering all stakeholders.

    Explore Leadership Teams in Business Services

    Frequently Asked Questions Regarding Carelon Top Executives and Leadership Team

    Who leads Carelon?
    Carelon is led by Abigail Milloy (Staff Vice President & To Carelon Health Chief of Staff & President), along with executives such as Mark Cziraky (President, At Carelon Research) and Robert Mandel (President & Chief Medical Officer, Clinical Excellence & Carelon Health).
    Who is part of Carelon’s executive team?
    The executive team of Carelon includes leaders such as Abigail Milloy (Staff Vice President & To Carelon Health Chief of Staff & President), Mark Cziraky (President, At Carelon Research), Robert Mandel (President & Chief Medical Officer, Clinical Excellence & Carelon Health) and other senior executives.
    How many executives does Carelon have?
    Carelon has 9 executives leading key business areas.
    What roles are included in Carelon’s leadership team?
    The leadership team of Carelon includes roles such as Staff Vice President & To Carelon Health Chief of Staff & President, President, At Carelon Research, President & Chief Medical Officer, Clinical Excellence & Carelon Health, President SCDA of Okaloosa County, Chief Information Officer.