The Hanover Insurance Group Executive and Leadership Team

August, 2026

Leadership Overview

The Hanover Insurance Group has 10 executives leading key functions including financial strategy, information technology, human resources, marketing, and regional operations.

Focused on delivering comprehensive property and casualty solutions, The Hanover Insurance Group maintains a commitment to excellence by providing specialized insurance products that protect businesses and individuals across the United States.

Leadership Roles at The Hanover Insurance Group

  • Strategic Executive & To The Administrator & Chief Financial Officer - Aline Parnagian
  • Strategic To The Executive Administrator & Chief Operating Officer - Mary Heider
  • Vice President, Chief Operating Officer of Middle Market - William Morrill
  • Regional President, Northeast Region - Kelly Stacy
  • Senior VP & President, Personal Lines - Daniel Halsey
  • Insurance & Service Applications Senior VP, Chief Information Officer - Cilsy Harris
  • Executive Vice President & Chief Human Resources Officer - Denise Lowsley
  • Senior Vice President, Chief Marketing Officer - Jennifer Luisa
  • Regional Executive - Jeremy Jackson
  • Insurance Executive - Paul Mueller
  • Aline Parnagian - Strategic Executive & To The Administrator & Chief Financial Officer

    Aline Parnagian, the Strategic Executive & To The Administrator & Chief Financial Officer at The Hanover Insurance Group, manages the fiscal health and capital allocation strategies for the organization. Parnagian oversees financial reporting, treasury operations, and long-term investment planning to ensure stability across all insurance segments. By aligning budgetary resources with the core commercial and specialty business lines, the Chief Financial Officer drives sustainable growth and shareholder value. This leadership role involves constant collaboration with the board to assess risk profiles and market volatility. Aline Parnagian maintains rigorous oversight of internal controls and regulatory compliance, ensuring the company meets all financial obligations. Through precise fiscal management, the Chief Financial Officer supports the broader mission of providing reliable property and casualty coverage to policyholders nationwide, ultimately strengthening the financial foundation of the entire enterprise.

    Mary Heider - Strategic To The Executive Administrator & Chief Operating Officer

    Mary Heider, the Strategic To The Executive Administrator & Chief Operating Officer at The Hanover Insurance Group, optimizes internal processes and operational workflows to maximize efficiency across all business segments. Heider oversees the execution of daily administrative functions and ensures that cross-departmental collaboration remains seamless. By streamlining the delivery of specialty and commercial insurance products, the Chief Operating Officer enhances the overall productivity of the organization. This leadership role involves monitoring key performance indicators and implementing process improvements that reduce operational friction. Mary Heider works closely with other executives to align daily activities with the company's long-term strategic goals. Through rigorous operational oversight, the Chief Operating Officer ensures that the company maintains high standards of service quality and responsiveness, ultimately supporting the organization's ability to provide consistent and reliable coverage to policyholders throughout the United States.

    William Morrill - Vice President, Chief Operating Officer of Middle Market

    William Morrill, the Vice President, Chief Operating Officer of Middle Market at The Hanover Insurance Group, manages the operational strategy specifically for the middle market commercial segment. Morrill directs the underwriting and service delivery processes for commercial multiple peril and workers' compensation lines. By focusing on the unique needs of mid-sized businesses, the Chief Operating Officer of Middle Market ensures that the company provides tailored coverage solutions that mitigate risk effectively. This role involves coordinating with regional teams to maintain high service standards and operational excellence. William Morrill analyzes market data to identify growth opportunities and refine product offerings within the middle market space. Through dedicated operational leadership, the Chief Operating Officer of Middle Market supports the company's broader mission of delivering specialized insurance products, ensuring that mid-sized commercial clients receive the attention and protection necessary for their continued success.

    Kelly Stacy - Regional President, Northeast Region

    Kelly Stacy, the Regional President, Northeast Region at The Hanover Insurance Group, leads all business activities and strategic initiatives within the Northeast territory. Stacy oversees the performance of commercial and personal lines, ensuring that the company maintains a strong market share in this critical region. By managing relationships with key brokers and agents, the Regional President, Northeast Region drives business development and ensures the successful delivery of insurance products. This role involves coordinating with corporate headquarters to implement national strategies while adapting them to the specific nuances of the Northeast market. Kelly Stacy monitors regional economic trends and competitive dynamics to inform decision-making and resource allocation. Through proactive leadership, the Regional President, Northeast Region supports the company's mission of providing reliable insurance coverage, ensuring that policyholders in the Northeast receive exceptional service and protection.

    Daniel Halsey - Senior VP & President, Personal Lines

    Daniel Halsey, the Senior VP & President, Personal Lines at The Hanover Insurance Group, directs the strategy and operations for the personal lines segment, including automobile and homeowner's coverages. Halsey oversees product development, pricing, and underwriting standards to ensure the profitability and growth of the personal insurance portfolio. By focusing on customer-centric solutions, the Senior VP & President, Personal Lines enhances the company's ability to provide comprehensive protection for individuals and families across the United States. This role involves collaborating with marketing and technology teams to improve the digital customer experience and streamline policy management. Daniel Halsey monitors market competition and regulatory changes to ensure that personal lines offerings remain attractive and compliant. Through strategic leadership, the Senior VP & President, Personal Lines supports the company's overall mission, ensuring that the organization continues to deliver high-quality personal insurance products that meet the diverse needs of policyholders.
    Daniel Halsey

    Cilsy Harris - Insurance & Service Applications Senior VP, Chief Information Officer

    Cilsy Harris, the Insurance & Service Applications Senior VP, Chief Information Officer at The Hanover Insurance Group, directs the digital transformation and technological infrastructure supporting all insurance operations. Harris architects scalable software solutions that enhance service delivery for commercial and personal lines. By modernizing legacy systems, the Chief Information Officer improves data processing speeds and customer interaction capabilities across the United States. This role requires close coordination with operational leaders to integrate advanced analytics into underwriting and claims management workflows. Cilsy Harris ensures that all information technology initiatives align with the company's goal of providing seamless, secure, and efficient insurance services. Through the implementation of robust cybersecurity protocols and innovative digital platforms, the Chief Information Officer protects sensitive policyholder data while enabling the organization to maintain a competitive edge in the rapidly evolving insurance technology landscape.
    Cilsy Harris

    Denise Lowsley - Executive Vice President & Chief Human Resources Officer

    Denise Lowsley, the Executive Vice President & Chief Human Resources Officer at The Hanover Insurance Group, shapes the organizational culture and talent acquisition strategies necessary for long-term success. Lowsley oversees workforce development, performance management, and employee engagement initiatives across all regional operations. By fostering a high-performance environment, the Chief Human Resources Officer ensures that the company attracts and retains top-tier professionals capable of managing complex specialty and personal lines portfolios. This leadership role involves designing comprehensive benefits programs and professional development pathways that align with the company's strategic objectives. Denise Lowsley works directly with the executive team to cultivate a diverse and inclusive workplace that reflects the values of the organization. Through effective human capital management, the Chief Human Resources Officer supports the operational scale of the business, ensuring that every department possesses the expertise required to deliver superior insurance products to clients.
    Denise Lowsley

    Jennifer Luisa - Senior Vice President, Chief Marketing Officer

    Jennifer Luisa, the Senior Vice President, Chief Marketing Officer at The Hanover Insurance Group, leads the brand strategy and market positioning efforts for the entire product portfolio. Luisa develops targeted campaigns that highlight the value of commercial multiple peril, workers' compensation, and personal lines coverage. By analyzing market trends and consumer behavior, the Chief Marketing Officer drives brand awareness and supports the growth of the specialty and personal lines segments. This role involves coordinating with regional leaders to ensure consistent messaging across all distribution channels in the United States. Jennifer Luisa manages the development of marketing collateral and digital outreach programs that effectively communicate the company's commitment to protection and service. Through strategic brand management, the Chief Marketing Officer enhances the company's market presence, ensuring that the organization remains a preferred choice for businesses and individuals seeking reliable insurance solutions.
    Jennifer Luisa

    Jeremy Jackson - Regional Executive

    Jeremy Jackson, the Regional Executive at The Hanover Insurance Group, oversees the implementation of corporate strategies within specific geographic territories. Jackson manages regional distribution networks and fosters relationships with local agents to expand the reach of commercial and personal lines. By driving regional initiatives, the Regional Executive ensures that the company's insurance products meet the specific needs of local markets across the United States. This role involves monitoring regional performance metrics and adjusting tactical approaches to maintain competitive positioning. Jeremy Jackson collaborates with corporate leadership to ensure that regional operations align with the company's overall mission of providing high-quality property and casualty coverage. Through effective regional management, the Regional Executive supports the company's growth objectives, ensuring that the organization maintains a strong and responsive presence in key markets while delivering consistent value to policyholders and partners.

    Paul Mueller - Insurance Executive

    Paul Mueller, the Insurance Executive at The Hanover Insurance Group, directs the development and management of specialized insurance programs. Mueller oversees the underwriting and risk assessment processes for complex specialty lines, including marine and surety coverage. By evaluating emerging risks and market demands, the Insurance Executive ensures that the company's product offerings remain relevant and profitable. This role involves working with cross-functional teams to design innovative coverage solutions that address the evolving needs of commercial clients. Paul Mueller monitors the performance of specific insurance portfolios and implements strategies to optimize loss ratios and enhance underwriting discipline. Through expert leadership in the insurance domain, the Insurance Executive supports the company's commitment to providing comprehensive protection, ensuring that the organization maintains its reputation for excellence in the specialty property and casualty insurance market.

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    Frequently Asked Questions Regarding The Hanover Insurance Group Top Executives and Leadership Team

    Who leads The Hanover Insurance Group?
    The Hanover Insurance Group is led by Aline Parnagian (Strategic Executive & To The Administrator & Chief Financial Officer), along with executives such as Mary Heider (Strategic To The Executive Administrator & Chief Operating Officer) and William Morrill (Vice President, Chief Operating Officer of Middle Market).
    Who is part of The Hanover Insurance Group’s executive team?
    The executive team of The Hanover Insurance Group includes leaders such as Aline Parnagian (Strategic Executive & To The Administrator & Chief Financial Officer), Mary Heider (Strategic To The Executive Administrator & Chief Operating Officer), William Morrill (Vice President, Chief Operating Officer of Middle Market) and other senior executives.
    How many executives does The Hanover Insurance Group have?
    The Hanover Insurance Group has 10 executives leading key business areas.
    What roles are included in The Hanover Insurance Group’s leadership team?
    The leadership team of The Hanover Insurance Group includes roles such as Strategic Executive & To The Administrator & Chief Financial Officer, Strategic To The Executive Administrator & Chief Operating Officer, Vice President, Chief Operating Officer of Middle Market, Regional President, Northeast Region, Senior VP & President, Personal Lines.