Express Scripts Executive and Leadership Team

November, 2026

Leadership Overview

Express Scripts has 6 executives leading key functions including pharmacy benefit management, specialty managed care, information technology, and medical strategy.

Focused on optimizing pharmaceutical care across North America, Express Scripts delivers comprehensive pharmacy benefit management solutions to employers, insurance carriers, and managed care organizations through a commitment to clinical excellence and operational efficiency.

Leadership Roles at Express Scripts

  • Service Delivery Associate & Manager & Office of The Chief Executive Officer & President - Irene Ilic
  • Chief Information Officer - Jane Curtis
  • Global Chief Medical Officer - Gerry Stanley
  • Managing Director - Chelsea Harrison
  • Managing Director - Madras Perlson
  • Managing Director - William Imken
  • Irene Ilic - Service Delivery Associate & Manager & Office of The Chief Executive Officer & President

    Irene Ilic, the Service Delivery Associate & Manager & Office of The Chief Executive Officer & President at Express Scripts, coordinates high-level administrative workflows and operational priorities for the executive leadership team. Managing complex communication channels between the Office of the President and internal departments, Ilic ensures alignment with corporate pharmacy benefit management objectives. This role involves synthesizing data from various specialty managed care divisions to support executive decision-making processes. By streamlining internal reporting structures, Ilic facilitates efficient resource allocation across North American operations. Irene Ilic maintains rigorous standards for service delivery, ensuring that organizational goals remain synchronized with client requirements. Through constant monitoring of performance metrics, Ilic drives improvements in administrative throughput. This position requires deep integration with cross-functional teams to maintain the strategic momentum of the company, ultimately securing long-term operational stability and supporting the broader mission of providing accessible pharmaceutical care to diverse client groups.

    Jane Curtis - Chief Information Officer

    Jane Curtis, the Chief Information Officer at Express Scripts, directs the technological infrastructure and digital transformation strategies essential for pharmacy benefit management. Overseeing the development of secure data platforms, Curtis ensures the integrity and accessibility of patient information across North American operations. This role involves architecting scalable cloud solutions that support the complex requirements of specialty managed care. Jane Curtis manages the integration of advanced analytics tools to provide actionable insights for clients and internal stakeholders. By prioritizing cybersecurity and data privacy, Curtis protects the sensitive information of employers, insurance carriers, and individual members. This leadership position requires constant collaboration with the executive team to align technology investments with business growth objectives. Through the implementation of robust IT governance, Curtis drives operational efficiency and innovation. Ultimately, Curtis secures the company's digital future by maintaining a resilient, high-performance technology environment that supports the delivery of seamless pharmaceutical care services.

    Gerry Stanley - Global Chief Medical Officer

    Gerry Stanley, the Global Chief Medical Officer at Express Scripts, leads clinical strategy and medical policy development for the entire pharmacy benefit management organization. Overseeing the clinical integrity of formulary management and specialty drug programs, Stanley ensures that all services align with evidence-based medical practices. This role involves directing the medical advisory boards that evaluate new pharmaceutical therapies for inclusion in benefit plans. Gerry Stanley collaborates with healthcare providers and managed care organizations to improve patient safety and therapeutic outcomes across North America. By monitoring clinical trends and regulatory changes, Stanley guides the company in adapting to the evolving healthcare landscape. This leadership function requires constant engagement with internal teams to integrate medical expertise into every aspect of the business model. Through the promotion of high-quality care standards, Stanley enhances the value of pharmacy benefits for employers and members. Ultimately, Stanley drives the company's commitment to clinical excellence and patient-centered pharmaceutical care.

    Chelsea Harrison - Managing Director

    Chelsea Harrison, the Managing Director at Express Scripts, directs strategic initiatives focused on expanding market reach within the pharmacy benefit management sector. Overseeing large-scale client portfolios, Harrison architects customized benefit plans for managed care organizations and insurance carriers. This leadership role involves identifying emerging trends in specialty managed care to maintain a competitive edge across North American markets. By fostering strong relationships with third-party administrators and union-sponsored benefit plans, Chelsea Harrison ensures consistent service quality and client retention. Harrison monitors financial performance indicators to optimize revenue streams while simultaneously reducing costs for plan sponsors. This executive function requires constant collaboration with internal clinical teams to refine medication management protocols. Through the implementation of data-driven strategies, Harrison enhances the overall value proposition for stakeholders. Ultimately, Harrison secures the company's position as a leader in the pharmacy benefit management industry by delivering scalable, efficient, and cost-effective solutions for complex healthcare needs.

    Madras Perlson - Managing Director

    Madras Perlson, the Managing Director at Express Scripts, manages operational excellence and process optimization for specialty pharmacy services. Focusing on the integration of clinical programs into existing benefit structures, Perlson drives initiatives that improve patient outcomes and reduce pharmaceutical expenditures. This role involves overseeing the deployment of managed care strategies across diverse regional markets in North America. By analyzing utilization patterns, Madras Perlson identifies opportunities for formulary management and cost containment. Perlson collaborates with internal stakeholders to ensure that pharmacy benefit designs meet the specific needs of employers and union-sponsored plans. This leadership position requires constant evaluation of market dynamics to adjust service delivery models accordingly. Through the application of advanced analytics, Perlson enhances the efficiency of specialty drug distribution networks. Ultimately, Perlson supports the company's mission by ensuring that high-quality pharmaceutical care remains accessible and affordable for all clients, while maintaining strict adherence to regulatory standards and operational benchmarks.

    William Imken - Managing Director

    William Imken, the Managing Director at Express Scripts, leads business development and strategic partnerships within the pharmacy benefit management landscape. Focusing on the acquisition and management of large-scale employer accounts, Imken architects long-term growth strategies that align with the company's core mission. This role involves navigating complex negotiations with insurance carriers and third-party administrators to expand the footprint of specialty managed care services. William Imken monitors competitive shifts across North America to ensure that service offerings remain relevant and impactful. By coordinating with internal product development teams, Imken translates client feedback into actionable service enhancements. This leadership function requires a deep understanding of the healthcare ecosystem to drive sustainable revenue growth. Through the execution of targeted market expansion plans, Imken strengthens the company's influence in the pharmacy benefit sector. Ultimately, Imken ensures that the organization delivers superior value to clients by maintaining a focus on innovation, reliability, and comprehensive pharmaceutical management solutions.

    Frequently Asked Questions Regarding Express Scripts Top Executives and Leadership Team

    Who leads Express Scripts?
    Express Scripts is led by Irene Ilic (Service Delivery Associate & Manager & Office of The Chief Executive Officer & President), along with executives such as Jane Curtis (Chief Information Officer) and Gerry Stanley (Global Chief Medical Officer).
    Who is part of Express Scripts’s executive team?
    The executive team of Express Scripts includes leaders such as Irene Ilic (Service Delivery Associate & Manager & Office of The Chief Executive Officer & President), Jane Curtis (Chief Information Officer), Gerry Stanley (Global Chief Medical Officer) and other senior executives.
    How many executives does Express Scripts have?
    Express Scripts has 6 executives leading key business areas.
    What roles are included in Express Scripts’s leadership team?
    The leadership team of Express Scripts includes roles such as Service Delivery Associate & Manager & Office of The Chief Executive Officer & President, Chief Information Officer, Global Chief Medical Officer, Managing Director, Managing Director.