Marsh & McLennan Agency Executive and Leadership Team

September, 2026

Leadership Overview

Marsh & McLennan Agency has 10 executives leading key functions including strategy, regional operations, financial oversight, and administrative management.

Committed to delivering comprehensive risk management solutions, Marsh & McLennan Agency empowers organizations and individuals through specialized insurance, employee health, and retirement services that drive long-term financial security and operational resilience.

Leadership Roles at Marsh & McLennan Agency

  • President & Chief Executive Officer - Peter Krause
  • President & Chief Executive Officer, The Northeast Region of Marsh & Mclennan Agency Llc - Steven Grossberg
  • Chief Executive Officer, Northwest - Sarah Walsh
  • Chief Executive Officer (Thailand) - Derek Heng
  • Chief Executive Officer and President, Marsh McLennan Agency AZ - Jody Sarchett
  • President & Chief Executive Officer (Ohio) - Jeffery Lightner
  • Chief Financial Officer - Kathleen Smahi
  • Chief Operating Officer - Southeast - Amanda Vail
  • Chief Operating Officer, National Small Business - Rachael Yelverton
  • Chief Administrative Officer & Principal & Senior VP - Bryanne Turner
  • Peter Krause - President & Chief Executive Officer

    Peter Krause, the President & Chief Executive Officer at Marsh & McLennan Agency, directs the overarching strategic vision for the entire insurance brokerage and risk management enterprise. Krause architects high-level growth initiatives that expand the firm's footprint across diverse business insurance and employee health sectors. By aligning corporate resources with evolving market demands, the President & Chief Executive Officer ensures that the organization maintains a competitive edge in providing complex retirement and private client solutions. This leadership role involves constant collaboration with the Board to refine long-term objectives and operational standards. Peter Krause monitors performance metrics across all national divisions to guarantee consistent service delivery. Through rigorous oversight of organizational health, the President & Chief Executive Officer fosters a culture of excellence that supports the firm's mission to mitigate risk for clients nationwide while driving sustainable revenue expansion.
    Peter Krause

    Steven Grossberg - President & Chief Executive Officer, The Northeast Region of Marsh & Mclennan Agency Llc

    Steven Grossberg, the President & Chief Executive Officer, The Northeast Region of Marsh & Mclennan Agency Llc at Marsh & McLennan Agency, manages all brokerage operations throughout the Northeast corridor. Grossberg drives regional market penetration by tailoring business insurance and employee benefits to the specific needs of local organizations. Overseeing a vast network of client advisors, the President & Chief Executive Officer, The Northeast Region of Marsh & Mclennan Agency Llc ensures that regional service delivery remains consistent with national quality standards. This role requires deep integration with the broader corporate strategy to optimize resource allocation across the Northeast. Steven Grossberg evaluates regional performance data to identify opportunities for expanding private client insurance portfolios. By maintaining strong relationships with key stakeholders, the President & Chief Executive Officer, The Northeast Region of Marsh & Mclennan Agency Llc secures the firm's position as a premier risk management partner within this critical geographic market.
    Steven Grossberg

    Sarah Walsh - Chief Executive Officer, Northwest

    Sarah Walsh, the Chief Executive Officer, Northwest at Marsh & McLennan Agency, leads all insurance and risk management operations across the Northwest territory. Walsh architects regional growth strategies that focus on delivering specialized employee health and retirement solutions to a diverse client base. By managing the operational infrastructure within the Northwest, the Chief Executive Officer, Northwest ensures that all brokerage activities align with the firm's commitment to excellence. This leadership position involves coordinating with national teams to implement standardized risk management protocols while adapting to unique regional market dynamics. Sarah Walsh monitors client retention rates and service quality to maintain the firm's reputation for reliability. Through the effective deployment of local talent and resources, the Chief Executive Officer, Northwest drives significant business development and strengthens the company's market presence across the entire Northwest region.
    Sarah Walsh

    Derek Heng - Chief Executive Officer (Thailand)

    Derek Heng, the Chief Executive Officer (Thailand) at Marsh & McLennan Agency, oversees all insurance brokerage and risk management activities within the Thai market. Heng drives the expansion of business insurance and employee benefits solutions tailored to the specific regulatory and economic landscape of Thailand. By managing local operations, the Chief Executive Officer (Thailand) ensures that the firm delivers high-value risk management services to both domestic and international clients. This role involves navigating complex market conditions to identify new growth opportunities and enhance service capabilities. Derek Heng collaborates with global leadership to integrate international best practices into the local business model. Through the strategic management of regional teams, the Chief Executive Officer (Thailand) secures the firm's competitive standing and fosters long-term client partnerships, ensuring that the company remains a trusted advisor for risk mitigation in this dynamic Southeast Asian market.
    Derek Heng

    Jody Sarchett - Chief Executive Officer and President, Marsh McLennan Agency AZ

    Jody Sarchett, the Chief Executive Officer and President, Marsh McLennan Agency AZ at Marsh & McLennan Agency, directs all brokerage and risk management operations within the Arizona market. Sarchett architects comprehensive insurance and employee benefits strategies that address the unique needs of local businesses and private clients. By overseeing the regional team, the Chief Executive Officer and President, Marsh McLennan Agency AZ ensures that all service delivery meets the firm's high standards for quality and reliability. This leadership role involves managing local business development efforts and fostering strong relationships with key industry partners. Jody Sarchett monitors regional performance metrics to drive growth and operational efficiency. Through the effective implementation of corporate initiatives at the local level, the Chief Executive Officer and President, Marsh McLennan Agency AZ strengthens the firm's market position and ensures that clients receive tailored solutions that effectively manage their specific risk profiles.

    Jeffery Lightner - President & Chief Executive Officer (Ohio)

    Jeffery Lightner, the President & Chief Executive Officer (Ohio) at Marsh & McLennan Agency, leads all insurance brokerage and risk management operations throughout the Ohio region. Lightner architects regional strategies that focus on delivering specialized business insurance and employee health solutions to local organizations. By managing the regional team, the President & Chief Executive Officer (Ohio) ensures that all client interactions reflect the firm's commitment to excellence and professional integrity. This leadership role involves coordinating with national leadership to implement standardized service protocols while addressing the specific needs of the Ohio market. Jeffery Lightner monitors regional growth and client satisfaction to maintain the firm's competitive advantage. Through the effective deployment of local resources, the President & Chief Executive Officer (Ohio) drives business development and strengthens the company's reputation as a premier risk management partner for businesses and individuals across the state.
    Jeffery Lightner

    Kathleen Smahi - Chief Financial Officer

    Kathleen Smahi, the Chief Financial Officer at Marsh & McLennan Agency, manages the entire financial architecture of the organization. Smahi directs fiscal planning, budgeting, and financial reporting to ensure the firm maintains a robust balance sheet while supporting growth initiatives. By overseeing capital allocation, the Chief Financial Officer ensures that resources are effectively distributed across all business insurance and employee benefits divisions. This role involves constant collaboration with the executive team to analyze financial performance and identify opportunities for cost optimization. Kathleen Smahi monitors market trends to provide strategic insights that guide long-term investment decisions. Through the rigorous management of financial risk and compliance, the Chief Financial Officer supports the firm's mission to provide stable and reliable risk management solutions. Smahi maintains the financial integrity of the company, ensuring that all operations remain aligned with the firm's overarching goal of sustainable profitability and market leadership.

    Amanda Vail - Chief Operating Officer - Southeast

    Amanda Vail, the Chief Operating Officer - Southeast at Marsh & McLennan Agency, manages the operational infrastructure and service delivery processes across the Southeast region. Vail architects efficient workflows that support the firm's business insurance and employee benefits teams in providing high-quality solutions to clients. By overseeing regional operations, the Chief Operating Officer - Southeast ensures that all brokerage activities remain aligned with national quality standards and corporate objectives. This role involves collaborating with regional leadership to optimize resource utilization and improve service speed. Amanda Vail monitors operational performance metrics to identify areas for process improvement and efficiency gains. Through the effective management of regional support functions, the Chief Operating Officer - Southeast enables the firm to scale its operations and maintain a strong market presence, ensuring that clients receive consistent and reliable risk management support throughout the entire Southeast territory.

    Rachael Yelverton - Chief Operating Officer, National Small Business

    Rachael Yelverton, the Chief Operating Officer, National Small Business at Marsh & McLennan Agency, directs the operational strategy for the firm's small business segment. Yelverton architects scalable service models that provide essential insurance and risk management solutions to smaller organizations nationwide. By managing the operational framework for this segment, the Chief Operating Officer, National Small Business ensures that service delivery remains efficient and accessible for a high volume of clients. This role involves coordinating with national teams to streamline processes and enhance the client experience. Rachael Yelverton monitors performance data to identify trends and opportunities for expanding the firm's reach within the small business market. Through the effective management of operational resources, the Chief Operating Officer, National Small Business supports the firm's mission to provide comprehensive risk management solutions to businesses of all sizes, driving growth and operational excellence across the national small business portfolio.

    Bryanne Turner - Chief Administrative Officer & Principal & Senior VP

    Bryanne Turner, the Chief Administrative Officer & Principal & Senior VP at Marsh & McLennan Agency, oversees the internal administrative functions and organizational governance of the firm. Turner architects policies and procedures that support the efficient operation of all business insurance and employee benefits divisions. By managing administrative resources, the Chief Administrative Officer & Principal & Senior VP ensures that the firm maintains a strong operational foundation. This role involves collaborating with the executive team to align administrative support with the company's strategic goals. Bryanne Turner monitors organizational health and compliance to ensure that all internal processes meet the highest standards of professional conduct. Through the effective management of administrative infrastructure, the Chief Administrative Officer & Principal & Senior VP supports the firm's mission to provide reliable risk management solutions, fostering a productive environment that enables the entire organization to deliver exceptional value to clients and stakeholders.
    Bryanne Turner

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    Frequently Asked Questions Regarding Marsh & McLennan Agency Top Executives and Leadership Team

    Who leads Marsh & McLennan Agency?
    Marsh & McLennan Agency is led by Peter Krause (President & Chief Executive Officer), along with executives such as Steven Grossberg (President & Chief Executive Officer, The Northeast Region of Marsh & Mclennan Agency Llc) and Sarah Walsh (Chief Executive Officer, Northwest).
    Who is part of Marsh & McLennan Agency’s executive team?
    The executive team of Marsh & McLennan Agency includes leaders such as Peter Krause (President & Chief Executive Officer), Steven Grossberg (President & Chief Executive Officer, The Northeast Region of Marsh & Mclennan Agency Llc), Sarah Walsh (Chief Executive Officer, Northwest) and other senior executives.
    How many executives does Marsh & McLennan Agency have?
    Marsh & McLennan Agency has 10 executives leading key business areas.
    What roles are included in Marsh & McLennan Agency’s leadership team?
    The leadership team of Marsh & McLennan Agency includes roles such as President & Chief Executive Officer, President & Chief Executive Officer, The Northeast Region of Marsh & Mclennan Agency Llc, Chief Executive Officer, Northwest, Chief Executive Officer (Thailand), Chief Executive Officer and President, Marsh McLennan Agency AZ.