Mercer Executive and Leadership Team

May, 2026

Leadership Overview

Mercer has 10 executives leading key functions including strategy, operations, technology, finance, and specialized regional initiatives.

Driven by a commitment to enhancing workforce well-being and financial outcomes, Mercer architects comprehensive solutions for global organizations, leveraging its expertise in investments, retirement, and health benefits to foster resilience and growth.

Leadership Roles at Mercer

  • President & Chief Executive Officer - Pat Tomlinson
  • Chief Financial Officer - Laur Newt
  • Acting Chief Financial Officer (Pacific) - Court Haas
  • Chief Operating Officer - Jon Gezotis
  • Chief Operating Officer, Mercer (China) - Monica Wu
  • Global Chief Operating Officer, Investment Solutions - Stephen Gouthro
  • Chief of Staff - Lina Buitrago
  • Chief Technology Officer - Kelly Dwyer
  • Strategic Initiatives Leader & Chief of Staff - Grace Mandelsberg
  • Senior Principal & Chief of Staff (Mercer Asia) - Kabir Nath
  • Pat Tomlinson - President & Chief Executive Officer

    Pat Tomlinson, the President & Chief Executive Officer at Mercer, directs the firm's overarching strategy and global operations. Tomlinson guides Mercer's mission to improve financial outcomes, workforce strategies, and employee well-being for clients worldwide. This leadership role involves setting the strategic vision for Mercer's advisory services, which span investments, retirement planning, health benefits, and workforce transformation. Tomlinson ensures alignment with the broader goals of Marsh McLennan, fostering a cohesive approach to client solutions. The executive's focus remains on driving innovation and expanding Mercer's market impact across diverse industries. By championing a client-centric approach, Pat Tomlinson solidifies Mercer's position as a premier consulting and advisory firm, delivering measurable value and fostering long-term organizational resilience.
    Pat Tomlinson

    Laur Newt - Chief Financial Officer

    Laur Newt, the Chief Financial Officer at Mercer, manages the firm's financial operations, planning, and reporting. Newt oversees all aspects of financial strategy, including budgeting, forecasting, and capital management, ensuring the fiscal health and stability of the organization. This critical role involves optimizing financial performance, managing risk, and supporting strategic investments that align with Mercer's growth objectives. The Chief Financial Officer provides essential financial insights to guide executive decision-making and maintain stakeholder confidence. Newt's responsibilities extend to ensuring compliance with financial regulations and driving profitability across Mercer's global operations. By maintaining rigorous financial discipline, Laur Newt supports Mercer's mission to deliver impactful advisory services and enhance client financial outcomes.

    Court Haas - Acting Chief Financial Officer (Pacific)

    Court Haas, the Acting Chief Financial Officer (Pacific) at Mercer, oversees financial operations and strategic planning for the Pacific region. Haas ensures robust financial management, including budgeting, forecasting, and performance analysis, to support Mercer's objectives in this key geographic area. This role involves managing financial risks, optimizing resource allocation, and driving financial discipline to enhance profitability and operational efficiency. The Acting Chief Financial Officer (Pacific) provides critical financial insights to regional leadership, enabling informed decision-making and strategic growth. Haas's responsibilities are integral to maintaining Mercer's financial integrity and supporting its mission to deliver impactful advisory services. Court Haas contributes to the firm's financial stability and strategic expansion within the Pacific market.

    Jon Gezotis - Chief Operating Officer

    Jon Gezotis, the Chief Operating Officer at Mercer, oversees the firm's global operational infrastructure and service delivery. Gezotis drives efficiency and scalability across Mercer's diverse service offerings, including investments, retirement, and health benefits consulting. This leadership position involves optimizing business processes, managing technology integration, and ensuring the highest standards of service quality for clients. Gezotis's purview includes enhancing operational resilience and supporting the firm's growth objectives by streamlining internal functions. The Chief Operating Officer ensures that Mercer's operational capabilities effectively support its strategic mission of improving workforce strategies and employee well-being. By focusing on operational excellence, Jon Gezotis enables Mercer to deliver impactful solutions and maintain its competitive edge in the advisory market.
    Jon Gezotis

    Monica Wu - Chief Operating Officer, Mercer (China)

    Monica Wu, the Chief Operating Officer, Mercer (China) at Mercer, directs operational strategies and execution within the Chinese market. Wu focuses on adapting Mercer's global service offerings to meet the specific needs of clients in China, particularly concerning workforce strategies and employee well-being. This leadership position involves managing local operations, ensuring service quality, and driving business growth within the region. Wu's responsibilities include optimizing operational efficiency and fostering strong client relationships to enhance Mercer's presence and impact in China. The Chief Operating Officer, Mercer (China) plays a vital role in navigating the complexities of the local market while upholding Mercer's global standards. Monica Wu ensures that Mercer's advisory services effectively support Chinese organizations in achieving their financial and human capital objectives.
    Monica Wu

    Stephen Gouthro - Global Chief Operating Officer, Investment Solutions

    Stephen Gouthro, the Global Chief Operating Officer, Investment Solutions at Mercer, directs the operational framework for Mercer's investment solutions globally. Gouthro focuses on enhancing the efficiency, scalability, and delivery of investment advisory services to clients worldwide. This leadership position involves optimizing operational processes, managing technology integration, and ensuring the highest standards of service quality within the investment solutions division. Gouthro's purview includes driving operational excellence and supporting the firm's growth objectives by streamlining complex investment operations. The Global Chief Operating Officer, Investment Solutions ensures that Mercer's operational capabilities effectively support its mission to provide superior investment strategies and financial outcomes. By focusing on operational refinement, Stephen Gouthro enables Mercer to deliver impactful investment solutions and maintain its competitive edge.
    Stephen Gouthro

    Lina Buitrago - Chief of Staff

    Lina Buitrago, the Chief of Staff at Mercer, supports the executive leadership team in executing strategic initiatives and operational priorities. Buitrago facilitates communication and coordination across departments, ensuring seamless workflow and efficient decision-making. This role involves managing key projects, preparing executive briefings, and driving special assignments that advance Mercer's business objectives. Buitrago's responsibilities extend to optimizing internal processes and enhancing the effectiveness of leadership communications. The Chief of Staff plays a crucial part in translating strategic goals into actionable plans, supporting the firm's mission to deliver superior advisory services in workforce strategies and employee well-being. Lina Buitrago contributes to the firm's operational excellence by ensuring strategic alignment and efficient resource allocation.

    Kelly Dwyer - Chief Technology Officer

    Kelly Dwyer, the Chief Technology Officer at Mercer, directs the company's technology strategy and digital transformation efforts. Dwyer is responsible for leveraging innovative technologies to enhance Mercer's service delivery, client engagement, and internal operations. This role involves overseeing the development and implementation of robust IT infrastructure, data analytics capabilities, and digital platforms that support workforce transformation and employee well-being solutions. The Chief Technology Officer ensures that Mercer's technological investments align with its business objectives, driving efficiency and competitive advantage. Dwyer's leadership is critical in adapting to evolving market demands and client needs within the consulting and advisory sector. Kelly Dwyer champions technological advancements to strengthen Mercer's position in delivering cutting-edge financial and workforce solutions.

    Grace Mandelsberg - Strategic Initiatives Leader & Chief of Staff

    Grace Mandelsberg, the Strategic Initiatives Leader & Chief of Staff at Mercer, spearheads critical strategic projects and supports executive leadership. Mandelsberg drives the planning and execution of key initiatives that advance Mercer's business objectives and enhance its market position. This role involves cross-functional collaboration, project management, and the development of strategic frameworks to address emerging opportunities and challenges. The Strategic Initiatives Leader & Chief of Staff ensures alignment between strategic goals and operational execution, contributing to the firm's mission of improving workforce strategies and financial outcomes. Mandelsberg's efforts focus on fostering innovation and driving sustainable growth across Mercer's global operations. Grace Mandelsberg facilitates the implementation of transformative strategies that enhance client value and organizational resilience.

    Kabir Nath - Senior Principal & Chief of Staff (Mercer Asia)

    Kabir Nath, the Senior Principal & Chief of Staff (Mercer Asia) at Mercer, provides strategic leadership and operational support across the Asian region. Nath drives key initiatives and facilitates executive decision-making to advance Mercer's business objectives in diverse Asian markets. This role involves coordinating cross-functional efforts, managing strategic projects, and ensuring effective communication throughout Mercer Asia. The Senior Principal & Chief of Staff (Mercer Asia) plays a crucial part in translating global strategies into regional action plans, supporting the firm's mission to enhance workforce strategies and employee well-being. Nath's focus is on optimizing operational effectiveness and fostering growth within the dynamic Asian business landscape. Kabir Nath contributes to Mercer's regional success by ensuring strategic alignment and operational excellence.

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    Frequently Asked Questions Regarding Mercer Top Executives and Leadership Team

    Who leads Mercer?
    Mercer is led by Pat Tomlinson (President & Chief Executive Officer), along with executives such as Laur Newt (Chief Financial Officer) and Court Haas (Acting Chief Financial Officer (Pacific)).
    Who is part of Mercer’s executive team?
    The executive team of Mercer includes leaders such as Pat Tomlinson (President & Chief Executive Officer), Laur Newt (Chief Financial Officer), Court Haas (Acting Chief Financial Officer (Pacific)) and other senior executives.
    How many executives does Mercer have?
    Mercer has 10 executives leading key business areas.
    What roles are included in Mercer’s leadership team?
    The leadership team of Mercer includes roles such as President & Chief Executive Officer, Chief Financial Officer, Acting Chief Financial Officer (Pacific), Chief Operating Officer, Chief Operating Officer, Mercer (China).