eviCore Healthcare Executive and Leadership Team

July, 2026

Leadership Overview

eviCore Healthcare has 9 executives leading key functions including strategy, finance, operations, information technology, clinical strategy, claims, and medical affairs.

Driven by innovation, eviCore Healthcare delivers intelligent care systems that improve outcomes for patients, providers, and health plans through advanced analytics and technology, balancing quality care with cost efficiency across global markets.

Leadership Roles at eviCore Healthcare

  • President, Chief Executive Officer - Stefan Sleigh
  • Chief Financial Officer - Stephen Mengert
  • President & Chief Operating Officer - Douglas Tardio
  • Operations Chief of Staff - Aundrea Brim
  • Chief Information Officer, Evicore - Poonam Nair
  • Clinical Strategy Officer & To The Chief of Staff & Chief Marketing Officer - Melissa Bennett
  • Claims Provider Contracting Chief of Staff - Skylar Fetterman
  • Associate Chief Medical Officer, Connected Musculoskeletal Solutions - Robert Westergan
  • Chief Medical Officer, Molecular Genetics & Personalized Medicine - Lon Castle
  • Stefan Sleigh - President, Chief Executive Officer

    Stefan Sleigh, the President, Chief Executive Officer at eviCore Healthcare, directs the company's overarching strategy and operational execution. Sleigh guides the organization's vision, ensuring alignment with its mission to provide evidence-based healthcare management solutions. This leadership role involves optimizing intelligent care systems that enhance patient outcomes and provider efficiency across North America, Europe, and Asia. Stefan Sleigh drives the integration of advanced analytics and technology to streamline healthcare delivery, focusing on balancing quality care with cost-effectiveness. The President, Chief Executive Officer ensures that eviCore Healthcare's comprehensive approach addresses the complexities of modern healthcare systems, fostering innovation in diagnostic processes and treatment decisions.

    Stephen Mengert - Chief Financial Officer

    Stephen Mengert, the Chief Financial Officer at eviCore Healthcare, manages all financial operations and strategic financial planning. Mengert oversees budgeting, forecasting, and financial reporting, ensuring the fiscal health of the organization. This role is critical in supporting eviCore Healthcare's mission to deliver cost-efficient healthcare management solutions. The Chief Financial Officer analyzes financial performance, identifies opportunities for revenue enhancement, and manages investment strategies to support growth across global markets. Stephen Mengert ensures robust financial controls are in place, enabling the company to balance quality care with economic viability through its advanced analytics and technology platforms.

    Douglas Tardio - President & Chief Operating Officer

    Douglas Tardio, the President & Chief Operating Officer at eviCore Healthcare, directs the company's day-to-day operations and service delivery. Tardio oversees the implementation of intelligent care systems designed to improve patient and provider outcomes. This leadership function is central to optimizing diagnostic processes and enhancing treatment decisions across North America, Europe, and Asia. The President & Chief Operating Officer ensures operational excellence in leveraging advanced analytics and technology to streamline healthcare management. Douglas Tardio drives efficiency in healthcare delivery, maintaining a focus on balancing quality care with cost-effectiveness through eviCore Healthcare's comprehensive management solutions.

    Aundrea Brim - Operations Chief of Staff

    Aundrea Brim, the Operations Chief of Staff at eviCore Healthcare, supports the strategic execution of operational initiatives. Brim facilitates cross-functional collaboration to enhance the efficiency of intelligent care systems. This position is key to streamlining healthcare delivery and optimizing diagnostic processes. The Operations Chief of Staff works closely with leadership to implement operational improvements that align with eviCore Healthcare's commitment to evidence-based management solutions. Aundrea Brim ensures that operational strategies effectively support the company's goal of balancing quality care with cost efficiency across its digital platforms and mobile applications.

    Poonam Nair - Chief Information Officer, Evicore

    Poonam Nair, the Chief Information Officer, Evicore at eviCore Healthcare, leads the company's technology strategy and digital infrastructure. Nair oversees the development and deployment of advanced analytics and technology platforms that underpin intelligent care systems. This role is crucial for enhancing treatment decisions and streamlining healthcare delivery across global operations. The Chief Information Officer, Evicore ensures the security and scalability of digital platforms and mobile applications, supporting eviCore Healthcare's mission to improve patient outcomes. Poonam Nair drives technological innovation to balance quality care with cost efficiency, optimizing diagnostic processes through robust IT solutions.

    Melissa Bennett - Clinical Strategy Officer & To The Chief of Staff & Chief Marketing Officer

    Melissa Bennett, the Clinical Strategy Officer & To The Chief of Staff & Chief Marketing Officer at eviCore Healthcare, shapes the company's clinical direction and market positioning. Bennett integrates clinical expertise with strategic marketing initiatives to enhance the value of evidence-based healthcare management solutions. This multifaceted role supports operational alignment and drives market penetration for intelligent care systems. The Clinical Strategy Officer & To The Chief of Staff & Chief Marketing Officer ensures that clinical strategies effectively communicate the benefits of advanced analytics and technology to providers and health plans. Melissa Bennett focuses on optimizing patient outcomes and demonstrating cost-efficiency through integrated clinical and marketing efforts.

    Skylar Fetterman - Claims Provider Contracting Chief of Staff

    Skylar Fetterman, the Claims Provider Contracting Chief of Staff at eviCore Healthcare, manages critical relationships and agreements with healthcare providers. Fetterman oversees the contracting process to ensure alignment with eviCore Healthcare's evidence-based management solutions and operational efficiency goals. This role is vital for streamlining healthcare delivery and optimizing the integration of intelligent care systems. The Claims Provider Contracting Chief of Staff works to establish mutually beneficial partnerships that support improved patient outcomes and cost-effectiveness. Skylar Fetterman ensures that provider contracts facilitate the effective use of advanced analytics and technology across North America, Europe, and Asia.

    Robert Westergan - Associate Chief Medical Officer, Connected Musculoskeletal Solutions

    Robert Westergan, the Associate Chief Medical Officer, Connected Musculoskeletal Solutions at eviCore Healthcare, provides clinical leadership for specialized healthcare services. Westergan guides the development and application of evidence-based protocols within musculoskeletal care, leveraging advanced analytics and technology. This position is instrumental in optimizing treatment decisions and improving patient outcomes in this specific domain. The Associate Chief Medical Officer, Connected Musculoskeletal Solutions ensures that clinical strategies enhance the efficiency of diagnostic processes and healthcare delivery. Robert Westergan drives the integration of intelligent care systems to balance quality care with cost-effectiveness for musculoskeletal conditions across global markets.

    Lon Castle - Chief Medical Officer, Molecular Genetics & Personalized Medicine

    Lon Castle, the Chief Medical Officer, Molecular Genetics & Personalized Medicine at eviCore Healthcare, leads clinical strategy in advanced diagnostic and therapeutic areas. Castle oversees the integration of molecular genetics and personalized medicine into eviCore Healthcare's intelligent care systems. This role is critical for enhancing treatment decisions and optimizing patient outcomes through data-driven insights. The Chief Medical Officer, Molecular Genetics & Personalized Medicine ensures that clinical expertise guides the application of advanced analytics and technology. Lon Castle drives the adoption of evidence-based management solutions that balance quality care with cost efficiency in these specialized fields.

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    Frequently Asked Questions Regarding eviCore Healthcare Top Executives and Leadership Team

    Who leads eviCore Healthcare?
    eviCore Healthcare is led by Stefan Sleigh (President, Chief Executive Officer), along with executives such as Stephen Mengert (Chief Financial Officer) and Douglas Tardio (President & Chief Operating Officer).
    Who is part of eviCore Healthcare’s executive team?
    The executive team of eviCore Healthcare includes leaders such as Stefan Sleigh (President, Chief Executive Officer), Stephen Mengert (Chief Financial Officer), Douglas Tardio (President & Chief Operating Officer) and other senior executives.
    How many executives does eviCore Healthcare have?
    eviCore Healthcare has 9 executives leading key business areas.
    What roles are included in eviCore Healthcare’s leadership team?
    The leadership team of eviCore Healthcare includes roles such as President, Chief Executive Officer, Chief Financial Officer, President & Chief Operating Officer, Operations Chief of Staff, Chief Information Officer, Evicore.