Core Specialty Executive and Leadership Team

June, 2026

Leadership Overview

Core Specialty has 10 executives leading key functions including technology, operations, finance, and specialized divisions.

Driven by a commitment to specialized insurance solutions, Core Specialty focuses on niche markets and superior underwriting knowledge to meet diverse customer and broker needs across the United States.

Leadership Roles at Core Specialty

  • Executive Vice President & Chief Financial Officer - Evan Cabat
  • Executive Vice President & Chief Financial Officer - William Vens
  • Chief Operating Officer - Cathryn Warner
  • Division President, Workers' Compensation - Clifford Bogh
  • President, Agriculture Reinsurance - William Fischer
  • President, Aviation and Aerospace - Jeffrey Sutton
  • Chief Technology Officer - Nick Lien
  • Division Financial Services Chief of Staff - Christine Marx
  • Executive Vice President & Chief Technology Officer & Chief Information Security Officer - Mary Kotch
  • Senior Vice President and Chief Information Officer - Quinn Easterbrook
  • Evan Cabat - Executive Vice President & Chief Financial Officer

    Evan Cabat, the Executive Vice President & Chief Financial Officer at Core Specialty, oversees the company's financial operations and strategic fiscal planning. Cabat directs all aspects of financial management, including budgeting, forecasting, and capital allocation, ensuring the financial health and stability of Core Specialty. This critical role involves managing financial risks and opportunities associated with the company's diversified property and casualty insurance products offered to small to midsized businesses. The Executive Vice President & Chief Financial Officer works closely with other leaders to support the company's focus on niche markets and superior underwriting knowledge. Evan Cabat's financial acumen is essential for driving profitable growth and maintaining investor confidence. Cabat ensures that financial strategies align with the company's objective of providing innovative insurance solutions and meeting the needs of customers and brokers across its U.S. underwriting offices.

    William Vens - Executive Vice President & Chief Financial Officer

    William Vens, the Executive Vice President & Chief Financial Officer at Core Specialty, directs the company's comprehensive financial strategy and management. Vens oversees all fiscal activities, including financial reporting, investment strategies, and risk management, crucial for Core Specialty's diverse insurance offerings. This executive position involves ensuring robust financial controls and driving financial performance across the company's U.S. operations, supporting its focus on niche markets and superior underwriting knowledge. The Executive Vice President & Chief Financial Officer collaborates with executive leadership to maintain financial discipline and foster sustainable growth. William Vens's expertise is vital for navigating the complexities of the insurance industry and supporting the delivery of innovative insurance solutions to customers and brokers. Vens ensures financial integrity and strategic resource deployment.
    William Vens

    Cathryn Warner - Chief Operating Officer

    Cathryn Warner, the Chief Operating Officer at Core Specialty, manages the day-to-day operational functions of the company. Warner directs the execution of business strategies, ensuring seamless integration across all departments and underwriting offices throughout the U.S. This executive role involves optimizing operational workflows to enhance efficiency and service delivery for Core Specialty's property and casualty insurance products. The Chief Operating Officer plays a crucial part in maintaining the company's focus on niche markets and superior underwriting knowledge. Warner's responsibilities include overseeing process improvements and resource allocation to support the company's growth and its commitment to providing both traditional and innovative insurance solutions. Cathryn Warner ensures that operational excellence underpins Core Specialty's market presence and its ability to meet the specific needs of its customers and brokers. Warner's leadership drives operational effectiveness across the organization.

    Clifford Bogh - Division President, Workers' Compensation

    Clifford Bogh, the Division President, Workers' Compensation at Core Specialty, leads the strategic direction and operational execution for the Workers' Compensation division. Bogh oversees the development and underwriting of specialized insurance solutions tailored to meet the unique needs of businesses requiring workers' compensation coverage. This executive role involves driving growth and profitability within this specific market segment, leveraging Core Specialty's expertise in niche markets and superior underwriting knowledge. The Division President, Workers' Compensation ensures that the division's offerings are competitive and effectively serve customers and brokers across the U.S. Clifford Bogh's leadership is instrumental in maintaining Core Specialty's reputation for providing innovative and reliable insurance products within the workers' compensation sector. Bogh focuses on expanding market share and enhancing service delivery for this critical line of business.

    William Fischer - President, Agriculture Reinsurance

    William Fischer, the President, Agriculture Reinsurance at Core Specialty, directs the strategic vision and operational management for the Agriculture Reinsurance division. Fischer oversees the underwriting and placement of reinsurance treaties for agricultural risks, a key component of Core Specialty's diversified insurance portfolio. This leadership role involves cultivating strong relationships with cedents and reinsurers, ensuring the division's capacity to offer innovative solutions within this specialized sector. The President, Agriculture Reinsurance leverages deep industry knowledge and market insights to drive profitable growth and manage risk effectively. William Fischer's expertise is crucial for navigating the complexities of agricultural markets and upholding Core Specialty's commitment to superior underwriting knowledge. Fischer ensures the division's offerings meet the specific needs of clients seeking agricultural reinsurance protection.

    Jeffrey Sutton - President, Aviation and Aerospace

    Jeffrey Sutton, the President, Aviation and Aerospace at Core Specialty, leads the strategic development and operational oversight for the Aviation and Aerospace insurance division. Sutton directs the underwriting of specialized insurance products designed for the unique risks inherent in the aviation and aerospace industries. This executive position focuses on expanding Core Specialty's presence in these niche markets, utilizing superior underwriting knowledge to provide tailored coverage solutions. The President, Aviation and Aerospace fosters strong partnerships with brokers and clients, ensuring the delivery of comprehensive and innovative insurance products. Jeffrey Sutton's leadership is critical for managing the complexities of this high-risk sector and driving the division's success. Sutton ensures that Core Specialty remains a trusted provider of specialized insurance for aviation and aerospace clients.

    Nick Lien - Chief Technology Officer

    Nick Lien, the Chief Technology Officer at Core Specialty, directs the company's technology strategy and infrastructure. Lien oversees the development and implementation of innovative technological solutions that support Core Specialty's diversified property and casualty insurance products. This leadership role involves ensuring the robustness and scalability of the company's IT systems, which are critical for serving small to midsized businesses across various niche markets. Lien's focus is on leveraging technology to enhance underwriting efficiency and customer service, aligning digital capabilities with the company's mission of offering traditional and advanced insurance solutions. The Chief Technology Officer ensures that technology investments directly contribute to operational excellence and competitive advantage in the insurance sector. Nick Lien drives the technological roadmap, enabling Core Specialty to adapt to evolving market demands and maintain its position as a provider of specialized insurance.

    Christine Marx - Division Financial Services Chief of Staff

    Christine Marx, the Division Financial Services Chief of Staff at Core Specialty, provides strategic support and operational oversight for the financial services division. Marx directs key initiatives and ensures alignment between departmental objectives and the broader company strategy, particularly concerning Core Specialty's property and casualty insurance products. This role involves facilitating communication and collaboration across various financial functions and underwriting offices throughout the U.S. The Division Financial Services Chief of Staff supports the company's commitment to niche markets and superior underwriting knowledge by streamlining processes and driving efficiency. Christine Marx's contributions are essential for enhancing the division's effectiveness and supporting the delivery of tailored insurance solutions. Marx ensures strategic execution and operational coherence within the financial services segment.

    Mary Kotch - Executive Vice President & Chief Technology Officer & Chief Information Security Officer

    Mary Kotch, the Executive Vice President & Chief Technology Officer & Chief Information Security Officer at Core Specialty, leads both technology strategy and information security initiatives. Kotch directs the development and implementation of robust technological infrastructure and comprehensive security protocols to safeguard Core Specialty's operations and data. This multifaceted role ensures that the company's IT systems are not only advanced and efficient but also highly secure, supporting the delivery of property and casualty insurance products to small to midsized businesses. The Executive Vice President & Chief Technology Officer & Chief Information Security Officer champions innovation while maintaining stringent security standards, critical for serving niche markets and upholding superior underwriting knowledge. Mary Kotch's leadership ensures technological advancement and data protection are paramount, supporting the company's mission to provide secure and innovative insurance solutions.

    Quinn Easterbrook - Senior Vice President and Chief Information Officer

    Quinn Easterbrook, the Senior Vice President and Chief Information Officer at Core Specialty, directs the company's information technology strategy and infrastructure. Easterbrook oversees the management and enhancement of Core Specialty's IT systems, ensuring they effectively support the delivery of diversified property and casualty insurance products. This leadership position involves driving technological innovation and operational efficiency across all U.S. underwriting offices, reinforcing the company's focus on niche markets and superior underwriting knowledge. The Senior Vice President and Chief Information Officer plays a key role in implementing advanced IT solutions that meet the evolving needs of customers and brokers. Quinn Easterbrook's expertise is vital for maintaining a competitive technological edge and ensuring the seamless operation of Core Specialty's business processes. Easterbrook guides the company's digital transformation and IT governance.

    Explore Leadership Teams in Insurance

    Frequently Asked Questions Regarding Core Specialty Top Executives and Leadership Team

    Who leads Core Specialty?
    Core Specialty is led by Evan Cabat (Executive Vice President & Chief Financial Officer), along with executives such as William Vens (Executive Vice President & Chief Financial Officer) and Cathryn Warner (Chief Operating Officer).
    Who is part of Core Specialty’s executive team?
    The executive team of Core Specialty includes leaders such as Evan Cabat (Executive Vice President & Chief Financial Officer), William Vens (Executive Vice President & Chief Financial Officer), Cathryn Warner (Chief Operating Officer) and other senior executives.
    How many executives does Core Specialty have?
    Core Specialty has 10 executives leading key business areas.
    What roles are included in Core Specialty’s leadership team?
    The leadership team of Core Specialty includes roles such as Executive Vice President & Chief Financial Officer, Executive Vice President & Chief Financial Officer, Chief Operating Officer, Division President, Workers' Compensation, President, Agriculture Reinsurance.