Serco Executive and Leadership Team

June, 2026

Leadership Overview

Serco has 10 executives leading key functions including operations, marketing, technology, finance, human resources, and presidential leadership.

Driven by a commitment to delivering essential public services, Serco focuses on operational excellence and strategic innovation to meet the complex needs of governments and citizens worldwide.

Leadership Roles at Serco

  • Chief Financial Officer - Mark Coster
  • Chief Operating Officer - Heath Chapple
  • President - Alisca Sansserriq
  • Chief Marketing Officer - Parth Bhardwaj
  • Chief Technology Officer - Andy Henson
  • Wcopfor With Serco Supporting Mission Command Training Program Chief of Staff - Lee Hungerbeeler
  • Chief Technology Officer & Senior VP - Donald Styer
  • Chief of Staff, F-35 Engine & Power Thermal Management System Modernization F-35 JPO - Robert Grooms
  • Chief People Officer - Melissa Marousek
  • Team Captain - Faizan Khan
  • Mark Coster - Chief Financial Officer

    Mark Coster, the Chief Financial Officer at Serco, directs the company's financial strategy, planning, and reporting. Coster oversees all fiscal operations, including budgeting, forecasting, treasury, and investor relations, ensuring financial health and compliance across Serco's global operations in defense, justice, transport, health, and citizen services. This critical role involves managing financial risks and optimizing capital allocation to support sustainable growth and profitability. Mark Coster provides strategic financial guidance to the executive team and the board, driving informed decision-making. The Chief Financial Officer ensures adherence to financial regulations and maintains strong relationships with financial institutions and stakeholders. Coster's leadership is fundamental to Serco's ability to secure funding, manage its assets effectively, and deliver long-term value to its shareholders and clients.
    Mark Coster

    Heath Chapple - Chief Operating Officer

    Heath Chapple, the Chief Operating Officer at Serco, directs the execution of operational strategies across the company's diverse service sectors. Chapple oversees the day-to-day management of service delivery, ensuring efficiency and quality in defense, justice, transport, health, and citizen services. This leadership role involves optimizing resource allocation and implementing best practices to achieve service level agreements and client satisfaction. Heath Chapple drives operational improvements by analyzing performance metrics and identifying areas for enhancement. The Chief Operating Officer's focus remains on maintaining high standards of service delivery and fostering a culture of continuous improvement throughout the organization. This executive ensures that Serco's operational capabilities consistently meet and exceed the demands of its public sector clients, contributing directly to the company's reputation for reliability and effectiveness in complex environments.

    Alisca Sansserriq - President

    Alisca Sansserriq, the President at Serco, holds ultimate responsibility for the company's strategic direction and overall performance. Sansserriq leads the executive team in executing the corporate vision, driving growth, and ensuring Serco's continued success in delivering vital public services across its diverse sectors. This senior leadership position involves overseeing all business units and ensuring operational excellence, financial stability, and stakeholder satisfaction. Alisca Sansserriq champions the company's values and commitment to innovation and integrity. The President guides strategic decision-making, fosters key relationships with clients and partners, and represents Serco on a global scale. Sansserriq's leadership is instrumental in navigating complex market dynamics and achieving Serco's long-term objectives.

    Parth Bhardwaj - Chief Marketing Officer

    Parth Bhardwaj, the Chief Marketing Officer at Serco, shapes and executes the company's global marketing and communications strategy. Bhardwaj leads initiatives to enhance Serco's brand presence and market positioning across its key sectors, including defense, justice, transport, health, and citizen services. This role involves developing integrated campaigns that highlight Serco's capabilities and value proposition to government clients and stakeholders. Parth Bhardwaj oversees market research and analysis to identify emerging opportunities and competitive landscapes. The Chief Marketing Officer drives customer engagement strategies and ensures consistent brand messaging across all platforms. By fostering strong relationships with clients and the public, Bhardwaj contributes to Serco's growth and its mission of delivering essential public services effectively.

    Andy Henson - Chief Technology Officer

    Andy Henson, the Chief Technology Officer at Serco, architects the company's technology vision and digital transformation initiatives. Henson leads the integration of innovative technological solutions across Serco's operations in defense, justice, transport, health, and citizen services. This position involves overseeing the development and implementation of IT infrastructure, cybersecurity measures, and digital platforms that enhance service delivery and operational efficiency. Andy Henson drives technological advancements to support Serco's strategic objectives and maintain a competitive edge. The Chief Technology Officer ensures that technology investments align with business needs and regulatory requirements, fostering a secure and scalable digital environment. This executive's leadership is critical for modernizing services and leveraging technology to achieve Serco's mission of delivering impactful public services.

    Lee Hungerbeeler - Wcopfor With Serco Supporting Mission Command Training Program Chief of Staff

    Lee Hungerbeeler, the Wcopfor With Serco Supporting Mission Command Training Program Chief of Staff, manages strategic initiatives and operational coordination for critical training programs. Hungerbeeler ensures seamless execution of the Mission Command Training Program, aligning resources and personnel to meet program objectives within Serco's defense sector operations. This role involves close collaboration with military leadership and Serco's internal teams to enhance training effectiveness and readiness. Lee Hungerbeeler oversees program management, stakeholder communication, and the implementation of operational improvements. The Chief of Staff's focus is on driving program success and ensuring that Serco's support for mission command training meets the highest standards of performance and reliability. Hungerbeeler's leadership is key to delivering specialized services that bolster defense capabilities.

    Donald Styer - Chief Technology Officer & Senior VP

    Donald Styer, the Chief Technology Officer & Senior VP at Serco, spearheads technological innovation and strategic IT leadership across the organization. Styer directs the development and deployment of advanced technology solutions that enhance Serco's service offerings in defense, justice, transport, health, and citizen services. This senior leadership position involves overseeing IT infrastructure, cybersecurity, and digital transformation efforts to ensure operational excellence and competitive advantage. Donald Styer drives the adoption of cutting-edge technologies to improve efficiency, security, and client outcomes. The Chief Technology Officer & Senior VP collaborates with executive teams to align technology roadmaps with business goals, fostering a culture of innovation. Styer's expertise is vital for modernizing Serco's technological capabilities and supporting its mission to deliver essential public services.
    Donald Styer

    Robert Grooms - Chief of Staff, F-35 Engine & Power Thermal Management System Modernization F-35 JPO

    Robert Grooms, the Chief of Staff, F-35 Engine & Power Thermal Management System Modernization F-35 JPO at Serco, provides critical leadership and strategic coordination for complex defense modernization programs. Grooms directs operational planning and execution for the F-35 Joint Program Office's engine and power thermal management system modernization efforts, ensuring alignment with program objectives and timelines. This role involves extensive collaboration with government stakeholders, industry partners, and Serco's technical teams to drive program success. Robert Grooms oversees project management, risk mitigation, and resource optimization within the F-35 JPO context. The Chief of Staff's primary focus is on enhancing the effectiveness and efficiency of modernization initiatives, contributing directly to the advancement of critical defense capabilities. Grooms' leadership ensures Serco's specialized support for advanced aerospace systems.

    Melissa Marousek - Chief People Officer

    Melissa Marousek, the Chief People Officer at Serco, leads the company's human capital strategy and organizational development initiatives. Marousek oversees all aspects of human resources, including talent acquisition, employee engagement, compensation, benefits, and learning and development across Serco's global workforce. This executive role is pivotal in fostering a positive and productive work environment that supports Serco's mission of delivering essential public services. Melissa Marousek drives initiatives to attract, retain, and develop top talent, ensuring the organization has the skilled workforce necessary for success. The Chief People Officer champions diversity, equity, and inclusion, and cultivates a culture of performance and continuous growth. Marousek's leadership is essential for building a strong, engaged, and capable team that underpins Serco's operational excellence.
    Melissa Marousek

    Faizan Khan - Team Captain

    Faizan Khan, the Team Captain at Serco, leads and directs a specialized team focused on achieving specific project objectives. Khan oversees the daily operations and performance of the team, ensuring tasks are completed efficiently and to the highest standards within Serco's operational framework. This role involves guiding team members, fostering collaboration, and ensuring clear communication channels are maintained. Faizan Khan is responsible for motivating the team and driving performance towards successful outcomes. The Team Captain's primary function is to ensure the effective execution of team-based assignments, contributing to the overall success of Serco's service delivery. Khan's leadership ensures the team operates cohesively and effectively.

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    Frequently Asked Questions Regarding Serco Top Executives and Leadership Team

    Who leads Serco?
    Serco is led by Mark Coster (Chief Financial Officer), along with executives such as Heath Chapple (Chief Operating Officer) and Alisca Sansserriq (President).
    Who is part of Serco’s executive team?
    The executive team of Serco includes leaders such as Mark Coster (Chief Financial Officer), Heath Chapple (Chief Operating Officer), Alisca Sansserriq (President) and other senior executives.
    How many executives does Serco have?
    Serco has 10 executives leading key business areas.
    What roles are included in Serco’s leadership team?
    The leadership team of Serco includes roles such as Chief Financial Officer, Chief Operating Officer, President, Chief Marketing Officer, Chief Technology Officer.