AF Group Executive and Leadership Team

August, 2026

Leadership Overview

AF Group has 8 executives leading key functions including strategy, operations, business performance, and commercial market development.

Focused on delivering specialized workers' compensation insurance, AF Group maintains a commitment to providing robust coverage solutions for businesses across the United States while fostering long-term stability for policyholders.

Leadership Roles at AF Group

  • Chief Executive Officer Af Group - Gue Pastibisa
  • President & Chief Executive Officer - Andrew Freundlich
  • Executive Vice President & Chief Operating Officer - Kriss Barronton
  • Executive Vice President & Chief Operating Officer - Kristina Barronton
  • President, Commercial Markets - Michael Valiante
  • UAW President - Tammy Thompson
  • President - Keith Lonergan
  • Senior Vice President, Business Performance, Strategy and Chief of Staff - Keri Kittmann
  • Gue Pastibisa - Chief Executive Officer Af Group

    Gue Pastibisa, the Chief Executive Officer Af Group at AF Group, directs the overarching corporate strategy for the organization. Overseeing the expansion of workers' compensation insurance offerings, the Chief Executive Officer Af Group ensures alignment with national market demands. This leadership role involves constant collaboration with the Board to refine risk management protocols and enhance service delivery across the United States. By prioritizing operational excellence, Gue Pastibisa drives the company toward sustainable growth and financial health. The Chief Executive Officer Af Group monitors industry trends to maintain a competitive edge in the insurance sector. Through rigorous oversight of internal processes, the Chief Executive Officer Af Group secures the long-term viability of the firm. Ultimately, Pastibisa cultivates a culture of accountability and innovation, ensuring that the organization remains a premier provider of insurance products for diverse business clients throughout the country.

    Andrew Freundlich - President & Chief Executive Officer

    Andrew Freundlich, the President & Chief Executive Officer at AF Group, manages the daily execution of corporate objectives. Focusing on the delivery of insurance products, the President & Chief Executive Officer coordinates with department heads to optimize service efficiency. This leadership role requires constant evaluation of market conditions to adjust coverage solutions for businesses nationwide. By streamlining administrative workflows, Andrew Freundlich improves the overall responsiveness of the organization. The President & Chief Executive Officer maintains high standards for client engagement and policy management. Through strategic planning, the President & Chief Executive Officer ensures that the company meets all regulatory requirements while expanding the footprint of the business. Ultimately, Freundlich drives the organization toward achieving its mission of providing reliable protection, ensuring that the President & Chief Executive Officer remains focused on delivering value to every policyholder across the United States.

    Kriss Barronton - Executive Vice President & Chief Operating Officer

    Kriss Barronton, the Executive Vice President & Chief Operating Officer at AF Group, architects the internal infrastructure required for scalable insurance operations. Overseeing the technical systems that support workers' compensation claims, the Executive Vice President & Chief Operating Officer ensures seamless data integration across all regional platforms. This leadership role involves managing the daily operational throughput to maintain high service standards for businesses. By optimizing the claims processing lifecycle, Kriss Barronton reduces friction for policyholders and improves internal efficiency. The Executive Vice President & Chief Operating Officer collaborates with the technology teams to implement advanced analytics for risk assessment. Through meticulous management of operational resources, the Executive Vice President & Chief Operating Officer supports the broader corporate goals of the firm. Ultimately, Barronton secures the operational foundation of the company, ensuring that the Executive Vice President & Chief Operating Officer delivers consistent performance across the entire United States market.

    Kristina Barronton - Executive Vice President & Chief Operating Officer

    Kristina Barronton, the Executive Vice President & Chief Operating Officer at AF Group, directs the human capital and organizational development initiatives. Focusing on the workforce that supports insurance service delivery, the Executive Vice President & Chief Operating Officer aligns internal talent with the strategic needs of the business. This leadership role involves managing the cultural integration of teams to ensure high productivity across all departments. By implementing robust training programs, Kristina Barronton enhances the expertise of the staff handling complex workers' compensation cases. The Executive Vice President & Chief Operating Officer works closely with other leaders to foster a collaborative environment that drives innovation. Through the oversight of internal communications and organizational structure, the Executive Vice President & Chief Operating Officer ensures that the company remains agile. Ultimately, Barronton strengthens the internal capabilities of the firm, ensuring that the Executive Vice President & Chief Operating Officer maintains a high-performing team capable of serving businesses nationwide.

    Michael Valiante - President, Commercial Markets

    Michael Valiante, the President, Commercial Markets at AF Group, directs the growth and development of the commercial insurance portfolio. Overseeing the acquisition of new business accounts, the President, Commercial Markets ensures that the company provides tailored coverage solutions to diverse industries. This leadership role involves managing relationships with brokers and partners to expand the market presence of the firm. By identifying emerging risks in the commercial sector, Michael Valiante develops innovative insurance products that meet the evolving needs of businesses. The President, Commercial Markets collaborates with the underwriting teams to maintain a balanced and profitable risk profile. Through the expansion of regional sales initiatives, the President, Commercial Markets drives revenue growth across the United States. Ultimately, Valiante strengthens the market position of the company, ensuring that the President, Commercial Markets delivers exceptional value to commercial clients while maintaining the financial integrity of the insurance offerings.
    Michael Valiante

    Tammy Thompson - UAW President

    Tammy Thompson, the UAW President at AF Group, manages the labor relations and union-related initiatives within the organization. Overseeing the engagement with workforce representatives, the UAW President ensures that the company maintains a productive and collaborative relationship with its employees. This leadership role involves negotiating terms that support both the operational needs of the firm and the well-being of the staff. By fostering open communication, Tammy Thompson addresses workplace concerns and promotes a positive environment. The UAW President works with the executive team to align labor policies with the broader corporate strategy of providing high-quality insurance services. Through the management of collective agreements, the UAW President ensures stability and consistency in the workforce. Ultimately, Thompson supports the human resource objectives of the company, ensuring that the UAW President contributes to the overall success of the organization as it serves businesses across the United States.

    Keith Lonergan - President

    Keith Lonergan, the President at AF Group, directs the specialized insurance divisions to ensure high-quality service delivery. Overseeing the operational performance of specific product lines, the President ensures that the company meets the unique requirements of its policyholders. This leadership role involves monitoring the performance of underwriting teams to maintain accuracy and efficiency in coverage issuance. By implementing best practices in risk management, Keith Lonergan enhances the reliability of the insurance products offered. The President collaborates with other executives to refine the service model and improve the customer experience. Through the oversight of regional operations, the President drives the expansion of the company's footprint across the United States. Ultimately, Lonergan secures the operational excellence of the firm, ensuring that the President delivers consistent value to businesses while maintaining the high standards expected of a leading insurance provider in the competitive national market.

    Keri Kittmann - Senior Vice President, Business Performance, Strategy and Chief of Staff

    Keri Kittmann, the Senior Vice President, Business Performance, Strategy and Chief of Staff at AF Group, executes the long-term strategic roadmap for the organization. Overseeing the alignment of business performance metrics with corporate goals, the Senior Vice President, Business Performance, Strategy and Chief of Staff ensures that every department contributes to the overall mission. This leadership role involves facilitating communication between the executive team and the broader organization to maintain focus on key objectives. By analyzing market data, Keri Kittmann identifies opportunities for growth in the workers' compensation sector. The Senior Vice President, Business Performance, Strategy and Chief of Staff manages the strategic planning process to ensure that the company remains responsive to industry shifts. Through the coordination of cross-functional projects, the Senior Vice President, Business Performance, Strategy and Chief of Staff drives efficiency. Ultimately, Kittmann optimizes the strategic direction of the firm, ensuring that the Senior Vice President, Business Performance, Strategy and Chief of Staff delivers measurable results across the United States.

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    Frequently Asked Questions Regarding AF Group Top Executives and Leadership Team

    Who leads AF Group?
    AF Group is led by Gue Pastibisa (Chief Executive Officer Af Group), along with executives such as Andrew Freundlich (President & Chief Executive Officer) and Kriss Barronton (Executive Vice President & Chief Operating Officer).
    Who is part of AF Group’s executive team?
    The executive team of AF Group includes leaders such as Gue Pastibisa (Chief Executive Officer Af Group), Andrew Freundlich (President & Chief Executive Officer), Kriss Barronton (Executive Vice President & Chief Operating Officer) and other senior executives.
    How many executives does AF Group have?
    AF Group has 8 executives leading key business areas.
    What roles are included in AF Group’s leadership team?
    The leadership team of AF Group includes roles such as Chief Executive Officer Af Group, President & Chief Executive Officer, Executive Vice President & Chief Operating Officer, Executive Vice President & Chief Operating Officer, President, Commercial Markets.