AXA XL Executive and Leadership Team

September, 2026

Leadership Overview

AXA XL has 10 executives leading key functions including strategy, reinsurance, regional operations, financial management, and digital architecture.

Focused on delivering robust insurance and reinsurance solutions, AXA XL maintains a commitment to risk management excellence and global market stability through sophisticated underwriting and client-centric service models.

Leadership Roles at AXA XL

  • Chief Executive Officer - Christopher Buse
  • Chief Executive Officer, , Reinsurance (North America) - Gregory Schiffer
  • Chief Executive Officer (Americas) - Lucy Pilko
  • Chief Financial Officer - Thomas Cammarota
  • Chief Financial Officer (Asia) - Mayuri Singhal
  • Chief Operating Officer - Miriam Nachtigall
  • Axa Xl Chief of Staff (Americas) - Rebecca Frisch
  • Chief of Staff To the Chief Administration and Global Chief Claims Officer - Rachel Alt-Simmons
  • Principal Architect & Global Chief Technology Officer, Data & Digital Architecture Technology Office - Sheela Sonone
  • Chief of Staff To Global Chief Client Officer - Rebecca Holman
  • Christopher Buse - Chief Executive Officer

    Christopher Buse, the Chief Executive Officer at AXA XL, directs the overarching strategic vision for the organization. Buse oversees the integration of complex insurance and reinsurance services across global markets, ensuring alignment with long-term corporate objectives. By managing high-level stakeholder relationships and board communications, the Chief Executive Officer maintains the firm's competitive position within the insurance sector. This leadership role involves constant evaluation of market trends to drive sustainable growth and operational efficiency. Christopher Buse actively monitors the performance of core business units to ensure consistent delivery of risk solutions. Through rigorous oversight of capital allocation and strategic planning, the Chief Executive Officer secures the financial health of the enterprise. Buse fosters a culture of innovation and accountability, guiding the organization toward future market leadership while navigating the complexities of the global insurance landscape.
    Christopher Buse

    Gregory Schiffer - Chief Executive Officer, , Reinsurance (North America)

    Gregory Schiffer, the Chief Executive Officer, , Reinsurance (North America) at AXA XL, manages the specialized reinsurance portfolio across the North American market. Schiffer architects underwriting strategies that address regional risk profiles while maximizing profitability for the reinsurance division. Overseeing complex treaty negotiations, the Chief Executive Officer, , Reinsurance (North America) ensures that risk transfer solutions meet the specific needs of diverse client bases. This role requires deep collaboration with actuarial teams to refine pricing models and risk assessment methodologies. Gregory Schiffer drives the expansion of regional market share by identifying emerging opportunities in the insurance landscape. By maintaining strong relationships with brokers and cedents, the Chief Executive Officer, , Reinsurance (North America) strengthens the firm's reputation for reliability and technical expertise. Schiffer consistently monitors regional performance metrics to ensure that reinsurance operations remain aligned with broader corporate goals and risk appetite.
    Gregory Schiffer

    Lucy Pilko - Chief Executive Officer (Americas)

    Lucy Pilko, the Chief Executive Officer (Americas) at AXA XL, governs all insurance operations across the Americas region. Pilko directs regional growth initiatives, ensuring that the company's insurance products effectively serve diverse market segments. Overseeing cross-functional teams, the Chief Executive Officer (Americas) optimizes service delivery and operational workflows to enhance client satisfaction. This leadership position involves coordinating with global headquarters to implement standardized risk management protocols while adapting to local regulatory environments. Lucy Pilko drives the execution of regional business plans, focusing on revenue generation and market penetration. By fostering collaboration between underwriting and claims departments, the Chief Executive Officer (Americas) ensures seamless service delivery. Pilko monitors regional economic indicators to adjust strategic priorities, maintaining the firm's resilience and competitive edge. Through proactive management of regional assets, the Chief Executive Officer (Americas) supports the overall mission of providing comprehensive insurance solutions.

    Thomas Cammarota - Chief Financial Officer

    Thomas Cammarota, the Chief Financial Officer at AXA XL, manages the global financial health and fiscal strategy of the organization. Cammarota oversees financial reporting, budgeting, and capital management processes to ensure long-term stability. By directing the finance department, the Chief Financial Officer provides critical insights into profitability and cost management across all insurance lines. This role involves close coordination with the executive team to align financial resources with strategic growth initiatives. Thomas Cammarota monitors global market fluctuations to mitigate financial risks and optimize investment returns. The Chief Financial Officer ensures compliance with international accounting standards and regulatory requirements, maintaining transparency for stakeholders. Cammarota drives the development of financial models that support informed decision-making regarding product pricing and resource allocation. Through rigorous fiscal oversight, the Chief Financial Officer secures the necessary capital to support the company's ongoing commitment to providing high-quality insurance and reinsurance services.

    Mayuri Singhal - Chief Financial Officer (Asia)

    Mayuri Singhal, the Chief Financial Officer (Asia) at AXA XL, manages the financial operations and fiscal strategy within the Asian market. Singhal oversees regional financial reporting, budgeting, and capital management to ensure alignment with global corporate standards. By directing the finance team in Asia, the Chief Financial Officer (Asia) provides critical insights into regional profitability and cost management. This role involves coordinating with regional leadership to support growth initiatives and navigate local regulatory requirements. Mayuri Singhal monitors economic conditions across Asian markets to mitigate financial risks and optimize resource allocation. The Chief Financial Officer (Asia) ensures that financial processes support the company's commitment to providing high-quality insurance services in the region. Singhal drives the development of financial models that inform strategic decision-making for the Asian business units. Through rigorous fiscal oversight, the Chief Financial Officer (Asia) secures the financial stability necessary to support the company's expansion and service delivery in Asia.
    Mayuri Singhal

    Miriam Nachtigall - Chief Operating Officer

    Miriam Nachtigall, the Chief Operating Officer at AXA XL, directs the internal infrastructure and operational processes that support the company's insurance services. Nachtigall oversees the efficiency of daily business functions, ensuring that underwriting and claims processing remain streamlined and effective. By managing operational workflows, the Chief Operating Officer enhances productivity across all departments. This role involves implementing technology-driven solutions to improve service delivery and reduce administrative overhead. Miriam Nachtigall coordinates with other C-suite leaders to align operational capacity with strategic business goals. The Chief Operating Officer monitors performance metrics to identify bottlenecks and implement continuous improvement initiatives. Nachtigall drives the execution of organizational change management, ensuring that the company remains agile in a competitive market. Through the optimization of internal systems, the Chief Operating Officer supports the firm's ability to provide reliable and timely insurance solutions to clients worldwide.

    Rebecca Frisch - Axa Xl Chief of Staff (Americas)

    Rebecca Frisch, the Axa Xl Chief of Staff (Americas) at AXA XL, coordinates strategic initiatives and executive communications within the Americas region. Frisch manages the flow of information between regional leadership and global departments, ensuring alignment on key business priorities. By facilitating cross-departmental projects, the Axa Xl Chief of Staff (Americas) drives the execution of regional operational goals. This role involves preparing executive briefings and supporting the decision-making process for regional leadership. Rebecca Frisch monitors the progress of strategic projects, identifying potential risks and ensuring timely completion. The Axa Xl Chief of Staff (Americas) fosters collaboration across teams to improve organizational efficiency and communication. Frisch acts as a liaison for regional stakeholders, maintaining focus on the company's mission to provide superior insurance services. Through meticulous planning and coordination, the Axa Xl Chief of Staff (Americas) supports the successful implementation of regional strategies and long-term growth objectives.

    Rachel Alt-Simmons - Chief of Staff To the Chief Administration and Global Chief Claims Officer

    Rachel Alt-Simmons, the Chief of Staff To the Chief Administration and Global Chief Claims Officer at AXA XL, manages the administrative and claims-related strategic agenda. Alt-Simmons coordinates the activities of the claims department, ensuring that global standards for service and efficiency are met. By facilitating communication between the Chief Administration and the claims teams, the Chief of Staff To the Chief Administration and Global Chief Claims Officer drives operational consistency. This role involves overseeing project management for claims-related initiatives and supporting the implementation of new administrative protocols. Rachel Alt-Simmons monitors the performance of claims processes to identify areas for improvement and innovation. The Chief of Staff To the Chief Administration and Global Chief Claims Officer ensures that administrative resources are effectively allocated to support the company's commitment to client service. Through strategic coordination, Alt-Simmons supports the firm's ability to manage complex claims efficiently and maintain high standards of operational excellence.

    Sheela Sonone - Principal Architect & Global Chief Technology Officer, Data & Digital Architecture Technology Office

    Sheela Sonone, the Principal Architect & Global Chief Technology Officer, Data & Digital Architecture Technology Office at AXA XL, directs the technological infrastructure and data strategy. Sonone architects scalable digital solutions that support the company's insurance and reinsurance operations. By overseeing the data architecture, the Principal Architect & Global Chief Technology Officer, Data & Digital Architecture Technology Office ensures that information systems are secure, efficient, and capable of driving business insights. This role involves leading the digital transformation agenda to enhance the firm's technological capabilities. Sheela Sonone collaborates with other technology leaders to integrate advanced analytics into underwriting and claims processes. The Principal Architect & Global Chief Technology Officer, Data & Digital Architecture Technology Office drives the adoption of emerging technologies to maintain a competitive advantage. Through the development of robust digital frameworks, Sonone supports the company's mission to provide innovative and reliable insurance services in a data-driven market.
    Sheela Sonone

    Rebecca Holman - Chief of Staff To Global Chief Client Officer

    Rebecca Holman, the Chief of Staff To Global Chief Client Officer at AXA XL, manages the strategic initiatives related to client engagement and relationship management. Holman coordinates the efforts of the client-facing teams, ensuring that the company's service delivery aligns with client expectations. By facilitating communication between the Global Chief Client Officer and various business units, the Chief of Staff To Global Chief Client Officer drives the execution of client-centric strategies. This role involves overseeing the development of client service programs and monitoring feedback to improve satisfaction. Rebecca Holman supports the implementation of initiatives designed to strengthen long-term client partnerships. The Chief of Staff To Global Chief Client Officer monitors market trends to identify opportunities for enhancing the client experience. Through strategic coordination and project management, Holman supports the firm's commitment to providing exceptional insurance services and maintaining strong relationships with clients across the globe.

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    Frequently Asked Questions Regarding AXA XL Top Executives and Leadership Team

    Who leads AXA XL?
    AXA XL is led by Christopher Buse (Chief Executive Officer), along with executives such as Gregory Schiffer (Chief Executive Officer, , Reinsurance (North America)) and Lucy Pilko (Chief Executive Officer (Americas)).
    Who is part of AXA XL’s executive team?
    The executive team of AXA XL includes leaders such as Christopher Buse (Chief Executive Officer), Gregory Schiffer (Chief Executive Officer, , Reinsurance (North America)), Lucy Pilko (Chief Executive Officer (Americas)) and other senior executives.
    How many executives does AXA XL have?
    AXA XL has 10 executives leading key business areas.
    What roles are included in AXA XL’s leadership team?
    The leadership team of AXA XL includes roles such as Chief Executive Officer, Chief Executive Officer, , Reinsurance (North America), Chief Executive Officer (Americas), Chief Financial Officer, Chief Financial Officer (Asia).