Aon Executive and Leadership Team

October, 2026

Leadership Overview

Aon has 10 executives leading key functions including risk management, human capital consulting, and financial security advisory.

Focused on navigating global uncertainty, Aon delivers data-driven insights to protect assets and foster sustainable growth for organizations worldwide.

Leadership Roles at Aon

  • Chief Operating Officer, Risk Capital - Kristine (Kristi) Wilts
  • Managing Director - Thomas Grant
  • Managing Director - Jeffrey Kadragich
  • Managing Director - Alexis Noraker
  • Managing Director - James Reidy
  • Managing Director - Rebecca Rysdam
  • Managing Director - Marnie Bute
  • Managing Director - Peter Memmesheimer
  • Managing Director - Marlene McLoad
  • Managing Director - Gregory Gatti
  • Kristine (Kristi) Wilts - Chief Operating Officer, Risk Capital

    Kristine (Kristi) Wilts, the Chief Operating Officer, Risk Capital at Aon, directs the operational infrastructure supporting global risk capital initiatives. Wilts architects scalable processes that enable the efficient delivery of insurance brokerage and risk management services. By overseeing the integration of data analytics into operational workflows, the Chief Operating Officer, Risk Capital ensures that advisory teams possess the tools required for precise decision-making. Kristine (Kristi) Wilts maintains alignment with global leadership to standardize service delivery and optimize capital allocation across all business units. This role involves identifying operational bottlenecks and implementing solutions that drive sustainable growth and financial security. Through the application of advanced management frameworks, the Chief Operating Officer, Risk Capital enhances the resilience of institutional assets. Wilts drives operational excellence by streamlining the intersection of insurance and advisory services. Ultimately, the Chief Operating Officer, Risk Capital secures long-term stability for clients by fostering a highly efficient and responsive organizational structure.

    Thomas Grant - Managing Director

    Thomas Grant, the Managing Director at Aon, directs regional insurance brokerage operations to mitigate complex client risks. Grant architects comprehensive risk management frameworks that allow organizations to navigate volatile market conditions with precision. By overseeing the integration of data analytics into daily advisory services, the Managing Director ensures that clients receive actionable intelligence regarding financial security. Thomas Grant maintains close alignment with global leadership to standardize service delivery across diverse portfolios. This role involves identifying emerging threats to corporate stability and implementing proactive mitigation strategies. Through the application of advanced risk modeling, the Managing Director optimizes capital allocation for institutional partners. Grant drives operational excellence by streamlining the intersection of insurance brokerage and human capital consulting. Ultimately, the Managing Director secures long-term resilience for clients by transforming uncertainty into manageable business outcomes.

    Jeffrey Kadragich - Managing Director

    Jeffrey Kadragich, the Managing Director at Aon, oversees the expansion of health and retirement consulting services across North American markets. Kadragich designs bespoke human capital strategies that address workforce-related challenges and enhance employee financial security. By coordinating with internal data analytics teams, the Managing Director translates complex demographic trends into sustainable organizational growth plans. Jeffrey Kadragich manages high-level relationships with institutional clients to ensure that advisory services remain aligned with evolving regulatory landscapes. This leadership position requires constant monitoring of market shifts to protect valuable client assets. Through the implementation of innovative retirement solutions, the Managing Director supports businesses in maintaining competitive talent advantages. Kadragich drives efficiency by integrating health benefit structures with broader financial advisory frameworks. Ultimately, the Managing Director delivers measurable value by stabilizing workforce costs and improving long-term institutional health.

    Alexis Noraker - Managing Director

    Alexis Noraker, the Managing Director at Aon, leads the development of specialized risk advisory services for the global financial sector. Noraker architects sophisticated insurance solutions that address unique institutional vulnerabilities and market volatility. By overseeing cross-functional teams, the Managing Director ensures that data-driven insights inform every aspect of the client advisory process. Alexis Noraker maintains rigorous standards for risk assessment, enabling organizations to pursue sustainable growth despite economic uncertainty. This role involves collaborating with global partners to refine the intersection of insurance brokerage and financial security. Through the application of advanced analytics, the Managing Director identifies hidden exposures within complex portfolios. Noraker drives strategic initiatives that enhance the resilience of institutional assets against systemic threats. Ultimately, the Managing Director secures the financial future of clients by providing clarity and protection in an increasingly complex global marketplace.

    James Reidy - Managing Director

    James Reidy, the Managing Director at Aon, manages the delivery of comprehensive risk management and insurance brokerage services for large-scale enterprise clients. Reidy architects strategic frameworks that allow organizations to navigate complex regulatory environments while protecting critical assets. By overseeing the deployment of data analytics tools, the Managing Director provides clients with precise insights into financial security and risk exposure. James Reidy coordinates with internal advisory teams to ensure that human capital consulting aligns with broader corporate objectives. This leadership role involves driving operational improvements that support sustainable growth across diverse industry sectors. Through the implementation of robust risk mitigation protocols, the Managing Director minimizes potential disruptions to business continuity. Reidy maintains a focus on long-term value creation by optimizing the intersection of insurance and advisory services. Ultimately, the Managing Director ensures that clients remain resilient against evolving global threats.

    Rebecca Rysdam - Managing Director

    Rebecca Rysdam, the Managing Director at Aon, directs the implementation of human capital consulting initiatives designed to optimize workforce performance and financial security. Rysdam architects integrated strategies that address health, retirement, and talent management challenges for global organizations. By overseeing the application of proprietary data analytics, the Managing Director provides clients with actionable intelligence to manage workforce-related risks. Rebecca Rysdam collaborates with C-suite leaders to ensure that human capital investments support overall business sustainability and growth. This role involves refining advisory services to meet the specific needs of diverse institutional clients. Through the development of innovative benefit structures, the Managing Director enhances the long-term stability of client organizations. Rysdam drives operational excellence by aligning human capital goals with broader risk management frameworks. Ultimately, the Managing Director secures organizational success by fostering a resilient and well-protected workforce.

    Marnie Bute - Managing Director

    Marnie Bute, the Managing Director at Aon, oversees the strategic integration of insurance brokerage and risk management services for the EMEA region. Bute architects comprehensive advisory solutions that enable organizations to navigate regional market volatility and protect valuable assets. By managing cross-functional teams, the Managing Director ensures that data-driven insights inform every client engagement. Marnie Bute maintains strong relationships with institutional partners to facilitate sustainable growth and financial security. This leadership position involves identifying regional risks and implementing proactive mitigation strategies to ensure business continuity. Through the application of advanced analytics, the Managing Director optimizes capital allocation for complex portfolios. Bute drives operational efficiency by streamlining the intersection of insurance and human capital consulting. Ultimately, the Managing Director secures the long-term resilience of clients by providing expert guidance in an increasingly complex and interconnected global economic environment.

    Peter Memmesheimer - Managing Director

    Peter Memmesheimer, the Managing Director at Aon, leads the development of data-driven risk management strategies for global industrial clients. Memmesheimer architects sophisticated insurance brokerage solutions that address operational vulnerabilities and enhance financial security. By overseeing the application of advanced analytics, the Managing Director provides clients with the clarity needed to navigate complex market uncertainties. Peter Memmesheimer coordinates with internal advisory teams to ensure that risk mitigation efforts align with long-term sustainable growth objectives. This role involves identifying systemic threats and implementing robust protection frameworks for institutional assets. Through the integration of human capital consulting, the Managing Director supports organizations in managing workforce-related challenges effectively. Memmesheimer drives operational excellence by refining the intersection of insurance and advisory services. Ultimately, the Managing Director secures the financial future of clients by delivering precise, actionable insights in a volatile global landscape.

    Marlene McLoad - Managing Director

    Marlene McLoad, the Managing Director at Aon, directs the delivery of specialized financial security and retirement advisory services for institutional clients. McLoad architects comprehensive strategies that address long-term asset protection and workforce-related financial challenges. By overseeing the application of data analytics, the Managing Director provides clients with the insights necessary to make informed decisions regarding retirement and health benefits. Marlene McLoad maintains close alignment with global leadership to ensure that advisory services remain consistent with evolving market standards. This leadership role involves driving initiatives that support sustainable growth and organizational resilience. Through the implementation of innovative financial solutions, the Managing Director optimizes capital management for diverse business entities. McLoad drives operational efficiency by integrating retirement consulting with broader risk management frameworks. Ultimately, the Managing Director secures the financial stability of clients by providing expert guidance in a complex global economy.

    Gregory Gatti - Managing Director

    Gregory Gatti, the Managing Director at Aon, oversees the strategic deployment of risk management and insurance brokerage services for the technology sector. Gatti architects tailored advisory solutions that address the unique vulnerabilities of digital-first organizations. By managing cross-functional teams, the Managing Director ensures that data-driven insights inform every aspect of the client engagement process. Gregory Gatti maintains strong relationships with institutional partners to facilitate sustainable growth and financial security. This leadership position involves identifying emerging cyber and operational risks, implementing proactive mitigation strategies to ensure business continuity. Through the application of advanced analytics, the Managing Director optimizes capital allocation for complex portfolios. Gatti drives operational efficiency by streamlining the intersection of insurance and human capital consulting. Ultimately, the Managing Director secures the long-term resilience of clients by providing expert guidance in an increasingly complex and interconnected global economic environment.

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    Frequently Asked Questions Regarding Aon Top Executives and Leadership Team

    Who leads Aon?
    Aon is led by Kristine (Kristi) Wilts (Chief Operating Officer, Risk Capital), along with executives such as Thomas Grant (Managing Director) and Jeffrey Kadragich (Managing Director).
    Who is part of Aon’s executive team?
    The executive team of Aon includes leaders such as Kristine (Kristi) Wilts (Chief Operating Officer, Risk Capital), Thomas Grant (Managing Director), Jeffrey Kadragich (Managing Director) and other senior executives.
    How many executives does Aon have?
    Aon has 10 executives leading key business areas.
    What roles are included in Aon’s leadership team?
    The leadership team of Aon includes roles such as Chief Operating Officer, Risk Capital, Managing Director, Managing Director, Managing Director, Managing Director.