Everest Group Executive and Leadership Team

May, 2026

Leadership Overview

Everest Group has 10 executives leading key functions including legacy operations, finance, reinsurance, human resources, information technology, claims, and technology services.

Driven by a commitment to long-term value, Everest Group focuses on underwriting excellence and robust risk and capital management to deliver innovative insurance and reinsurance solutions globally.

Leadership Roles at Everest Group

  • Executive Vice President & Chief Executive Officer, Legacy Operations - Gary Haase
  • Chief Financial Officer - Jason Mancini
  • Chief Operating Officer, Global Facultative Reinsurance - Trevor Gallagher
  • Global Chief Operating Officer, Claims, Technical Services - Louis Manger
  • Chief Operating Officer, Financial & Special Lines - Brian Mastellone
  • Chief Human Resources Officer & Insurance Executive - Gail Van Beveren
  • Executive VP & Chief Human Resources Officer - Christopher Kujawa
  • Global Chief Information Officer, Insurance Delivery - Matthew Herson
  • Group Chief Information Officer - Srini Maddineni
  • Senior Vice President, Global Technology Services and Chief Technology Officer - Al Durcan
  • Gary Haase - Executive Vice President & Chief Executive Officer, Legacy Operations

    Gary Haase, the Executive Vice President & Chief Executive Officer, Legacy Operations at Everest Group, directs the strategic management and operational execution of the company's legacy insurance portfolios. This critical role involves optimizing the performance and runoff of historical business lines, ensuring capital efficiency and mitigating long-term liabilities. Haase's leadership focuses on maximizing value extraction from these established operations while adhering to stringent risk and capital management principles. The scope of this position encompasses the careful oversight of all aspects related to legacy business, including claims resolution, reserve management, and regulatory compliance across relevant jurisdictions. By implementing disciplined underwriting and proactive risk mitigation strategies, Gary Haase ensures the stability and financial integrity of Everest Group's legacy commitments, contributing directly to the company's overall long-term value creation objectives.

    Jason Mancini - Chief Financial Officer

    Jason Mancini, the Chief Financial Officer at Everest Group, architects the company's comprehensive financial strategy and oversees all fiscal operations. This executive leadership position involves rigorous management of financial planning, accounting, treasury, and investor relations, ensuring robust capital allocation and financial health. Mancini's responsibilities extend to driving financial performance through disciplined risk and capital management, aligning with Everest Group's core mission of creating long-term value. The role demands meticulous oversight of financial reporting, compliance with global accounting standards, and the strategic deployment of capital to support underwriting excellence and innovation. By maintaining a strong balance sheet and fostering a culture of financial accountability, Jason Mancini directly supports the company's expansive product and distribution capabilities, solidifying its position as a leading global reinsurance and insurance organization.

    Trevor Gallagher - Chief Operating Officer, Global Facultative Reinsurance

    Trevor Gallagher, the Chief Operating Officer, Global Facultative Reinsurance at Everest Group, spearheads the operational framework for the company's global facultative reinsurance business. This leadership position involves optimizing the efficiency and effectiveness of reinsurance operations across diverse international markets, ensuring seamless service delivery and risk transfer. Gallagher's focus centers on enhancing operational capabilities to support underwriting excellence and the company's innovative culture within the reinsurance sector. The role requires meticulous attention to process improvement, risk mitigation, and the strategic alignment of operational functions with business objectives. By driving operational advancements and ensuring robust risk management practices, Trevor Gallagher directly contributes to Everest Group's ability to provide extensive product and distribution capabilities, reinforcing its standing as a premier global reinsurance provider.
    Trevor Gallagher

    Louis Manger - Global Chief Operating Officer, Claims, Technical Services

    Louis Manger, the Global Chief Operating Officer, Claims, Technical Services at Everest Group, oversees the comprehensive operational framework for claims management and technical services across the company's global operations. This executive position is central to ensuring efficient claims processing, effective risk mitigation, and the delivery of expert technical support, all while upholding underwriting excellence. Manger's leadership focuses on optimizing service delivery, enhancing operational resilience, and integrating innovative approaches within claims and technical functions. The role demands a strategic focus on process improvement and risk management to support Everest Group's strong balance sheet and commitment to long-term value creation. By driving operational efficiency and maintaining high standards in claims handling, Louis Manger directly contributes to the company's reputation and its extensive product and distribution capabilities.

    Brian Mastellone - Chief Operating Officer, Financial & Special Lines

    Brian Mastellone, the Chief Operating Officer, Financial & Special Lines at Everest Group, directs the operational execution and strategic development for the company's financial and specialty insurance lines. This leadership role is critical in optimizing the performance of these specialized business segments, ensuring efficient service delivery and robust risk management. Mastellone's focus involves enhancing operational capabilities to support underwriting excellence and the company's innovative culture within these niche markets. The position requires meticulous attention to process improvement and strategic alignment with business objectives, contributing directly to Everest Group's strong balance sheet and long-term value creation. By driving operational efficiency and maintaining high standards in financial and special lines, Brian Mastellone reinforces the company's extensive product and distribution capabilities.

    Gail Van Beveren - Chief Human Resources Officer & Insurance Executive

    Gail Van Beveren, the Chief Human Resources Officer & Insurance Executive at Everest Group, directs the strategic development and execution of human capital initiatives across the global organization. This pivotal role encompasses talent acquisition, development, compensation, and fostering an innovative culture that supports the company's extensive product and distribution capabilities. Van Beveren's leadership ensures that Everest Group attracts, retains, and cultivates top talent essential for underwriting excellence and disciplined risk management. The position integrates deep insurance industry knowledge with HR expertise to align people strategies with business objectives, driving employee engagement and organizational effectiveness. By championing a culture of continuous learning and performance, Gail Van Beveren plays a crucial part in sustaining Everest Group's strong balance sheet and commitment to creating long-term value through its people.
    Gail Van Beveren

    Christopher Kujawa - Executive VP & Chief Human Resources Officer

    Christopher Kujawa, the Executive VP & Chief Human Resources Officer at Everest Group, leads the comprehensive human resources strategy and operations, focusing on talent management and organizational development. This executive role is critical in cultivating an innovative culture and ensuring the company possesses the skilled workforce necessary to drive underwriting excellence and manage risk effectively. Kujawa's responsibilities include shaping policies, enhancing employee engagement, and aligning HR practices with Everest Group's global business objectives and strong balance sheet principles. The position demands a strategic approach to talent acquisition and retention, supporting the company's extensive product and distribution capabilities. Through dedicated leadership in human resources, Christopher Kujawa reinforces Everest Group's commitment to creating long-term value by empowering its employees and fostering a high-performance environment.
    Christopher Kujawa

    Matthew Herson - Global Chief Information Officer, Insurance Delivery

    Matthew Herson, the Global Chief Information Officer, Insurance Delivery at Everest Group, directs the strategic vision and execution of information technology solutions supporting the company's insurance delivery operations worldwide. This leadership role is paramount in leveraging technology to enhance underwriting excellence, streamline risk management processes, and foster an innovative culture. Herson's purview includes overseeing the development and implementation of robust IT infrastructure and digital platforms that enable efficient product distribution and service delivery across global markets. By ensuring technological alignment with business goals, Matthew Herson strengthens Everest Group's operational capabilities and supports its commitment to creating long-term value through disciplined capital management and a strong balance sheet.
    Matthew Herson

    Srini Maddineni - Group Chief Information Officer

    Srini Maddineni, the Group Chief Information Officer at Everest Group, leads the overarching information technology strategy and infrastructure for the entire organization. This executive role is fundamental in driving technological innovation, ensuring robust cybersecurity, and supporting the company's global operations with advanced IT solutions. Maddineni's responsibilities encompass aligning technology investments with business objectives, fostering an innovative culture, and enhancing underwriting excellence through digital transformation. The position requires strategic oversight of IT systems to support Everest Group's strong balance sheet and disciplined risk management practices. By championing technological advancements, Srini Maddineni ensures the company maintains its competitive edge and effectively delivers its extensive product and distribution capabilities worldwide.

    Al Durcan - Senior Vice President, Global Technology Services and Chief Technology Officer

    Al Durcan, the Senior Vice President, Global Technology Services and Chief Technology Officer at Everest Group, spearheads the company's global technology services and defines its technological future. This executive position is instrumental in driving technological innovation, ensuring the reliability of IT infrastructure, and supporting underwriting excellence through advanced technology solutions. Durcan's leadership focuses on developing and implementing cutting-edge technology strategies that enhance operational efficiency and foster an innovative culture across all business units. The role demands a strategic vision for technology adoption, directly supporting Everest Group's strong balance sheet and disciplined risk management framework. By advancing global technology services, Al Durcan ensures the company remains at the forefront of technological capabilities, reinforcing its extensive product and distribution offerings.

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    Frequently Asked Questions Regarding Everest Group Top Executives and Leadership Team

    Who leads Everest Group?
    Everest Group is led by Gary Haase (Executive Vice President & Chief Executive Officer, Legacy Operations), along with executives such as Jason Mancini (Chief Financial Officer) and Trevor Gallagher (Chief Operating Officer, Global Facultative Reinsurance).
    Who is part of Everest Group’s executive team?
    The executive team of Everest Group includes leaders such as Gary Haase (Executive Vice President & Chief Executive Officer, Legacy Operations), Jason Mancini (Chief Financial Officer), Trevor Gallagher (Chief Operating Officer, Global Facultative Reinsurance) and other senior executives.
    How many executives does Everest Group have?
    Everest Group has 10 executives leading key business areas.
    What roles are included in Everest Group’s leadership team?
    The leadership team of Everest Group includes roles such as Executive Vice President & Chief Executive Officer, Legacy Operations, Chief Financial Officer, Chief Operating Officer, Global Facultative Reinsurance, Global Chief Operating Officer, Claims, Technical Services, Chief Operating Officer, Financial & Special Lines.