Grey Executive and Leadership Team

October, 2026

Leadership Overview

Grey has 10 executives leading key functions including global strategy, regional operations, financial management, and information technology.

Focused on delivering creative marketing solutions, Grey maintains a commitment to excellence by driving brand growth and fostering deep consumer connections across worldwide markets.

Leadership Roles at Grey

  • Chief Executive Officer - Gordon Grey
  • Chief Executive Officer & HR Secretary & Director - Michiko Yui
  • Chief Executive Officer (APAC) - Sarah Trombetta
  • Chief Financial Officer - Suppachai Tanawuttidilok
  • Chief Financial Officer (South Asia) - Vinod Prabhakar
  • Group Chief Financial Officer - Erik Ongkowidjojo
  • Global Chief Financial Officer - Ali Belgaumi
  • Chief Operating Officer - Daigo Hayamizu
  • Group Chief Operating Officer (Grey Group India) - Ketan Desai
  • Executive Vice President & Chief Information Officer - Rob Walsh
  • Gordon Grey - Chief Executive Officer

    Gordon Grey, the Chief Executive Officer at Grey, directs the overarching strategic vision for the worldwide marketing and advertising enterprise. Overseeing the integration of creative services across international markets, the Chief Executive Officer ensures that the firm maintains a competitive edge in the evolving digital landscape. Gordon Grey manages high-level relationships with global clients, driving long-term value through innovative brand positioning and market expansion. By aligning internal resources with client objectives, the Chief Executive Officer fosters a culture of excellence and operational agility. This leadership role involves constant evaluation of market trends to sustain the company's legacy of creative impact. Through rigorous oversight of corporate governance and strategic partnerships, the Chief Executive Officer secures the firm's position as a leader in the global advertising sector, consistently delivering measurable results for diverse brand portfolios.

    Michiko Yui - Chief Executive Officer & HR Secretary & Director

    Michiko Yui, the Chief Executive Officer & HR Secretary & Director at Grey, manages the intersection of corporate governance, human capital development, and organizational policy. Overseeing the alignment of talent acquisition strategies with the firm's creative mission, the Chief Executive Officer & HR Secretary & Director ensures that internal structures support high-performance teams. Michiko Yui directs the implementation of administrative protocols that streamline board operations and regulatory compliance. By fostering an inclusive workplace culture, the Chief Executive Officer & HR Secretary & Director drives employee engagement and retention across the global network. This leadership role involves balancing complex human resource requirements with the strategic needs of the business. Through meticulous attention to organizational health and policy execution, the Chief Executive Officer & HR Secretary & Director strengthens the foundation of the company, enabling sustained growth and operational stability in a competitive industry.

    Sarah Trombetta - Chief Executive Officer (APAC)

    Sarah Trombetta, the Chief Executive Officer (APAC) at Grey, directs all marketing and advertising initiatives across the Asia-Pacific region. Overseeing regional growth strategies, the Chief Executive Officer (APAC) ensures that local market nuances inform the development of global brand campaigns. Sarah Trombetta manages cross-functional teams to deliver high-impact creative solutions that resonate with diverse consumer bases. By optimizing regional operations and expanding the firm's footprint in emerging markets, the Chief Executive Officer (APAC) drives significant revenue growth and market share. This leadership role involves close collaboration with global stakeholders to maintain brand consistency while adapting to regional competitive pressures. Through the execution of targeted business development plans, the Chief Executive Officer (APAC) strengthens the company's influence in the APAC region, ensuring that creative output aligns with the evolving needs of international clients and local market dynamics.
    Sarah Trombetta

    Suppachai Tanawuttidilok - Chief Financial Officer

    Suppachai Tanawuttidilok, the Chief Financial Officer at Grey, directs the financial planning, reporting, and fiscal strategy for the organization. Overseeing the management of capital allocation and budgetary controls, the Chief Financial Officer ensures that the firm maintains a robust financial position to support its creative ambitions. Suppachai Tanawuttidilok manages the analysis of financial performance across various service lines, providing actionable insights to the executive team. By optimizing revenue streams and mitigating financial risks, the Chief Financial Officer drives long-term profitability and shareholder value. This leadership role involves coordinating with global finance teams to ensure compliance with international accounting standards and tax regulations. Through the development of comprehensive financial models, the Chief Financial Officer supports the company's strategic growth initiatives, ensuring that fiscal resources are aligned with the overarching business objectives and the evolving demands of the global marketing landscape.
    Suppachai Tanawuttidilok

    Vinod Prabhakar - Chief Financial Officer (South Asia)

    Vinod Prabhakar, the Chief Financial Officer (South Asia) at Grey, directs the financial operations and fiscal oversight for the South Asian market. Overseeing the management of regional budgets, financial reporting, and cost control measures, the Chief Financial Officer (South Asia) ensures that local business units remain profitable and sustainable. Vinod Prabhakar manages the financial planning processes that support the growth of creative services in the region. By providing detailed financial analysis and forecasting, the Chief Financial Officer (South Asia) enables informed decision-making for regional leadership. This leadership role involves ensuring strict adherence to financial regulations and internal controls across all South Asian operations. Through the optimization of financial workflows and the management of regional assets, the Chief Financial Officer (South Asia) contributes to the overall financial health of the company, supporting the successful execution of marketing strategies in a dynamic and growing market.

    Erik Ongkowidjojo - Group Chief Financial Officer

    Erik Ongkowidjojo, the Group Chief Financial Officer at Grey, directs the consolidated financial strategy and reporting for the entire group. Overseeing the integration of financial data across multiple international entities, the Group Chief Financial Officer ensures that the organization maintains accurate and transparent financial records. Erik Ongkowidjojo manages the capital structure and investment strategies that fuel the company's global expansion. By driving financial discipline and performance management, the Group Chief Financial Officer supports the achievement of long-term corporate goals. This leadership role involves coordinating with regional financial heads to ensure consistency in reporting and fiscal policy. Through the implementation of advanced financial systems and rigorous audit processes, the Group Chief Financial Officer strengthens the company's financial foundation, providing the stability and resources necessary for the firm to continue delivering world-class marketing and advertising services on a global scale.

    Ali Belgaumi - Global Chief Financial Officer

    Ali Belgaumi, the Global Chief Financial Officer at Grey, directs the worldwide financial architecture and strategic fiscal planning for the entire enterprise. Overseeing the management of global liquidity, tax planning, and investor relations, the Global Chief Financial Officer ensures that the firm's financial health supports its creative mission. Ali Belgaumi manages the development of global financial policies that govern operations across all continents. By analyzing market trends and economic indicators, the Global Chief Financial Officer drives strategic investment decisions that enhance the company's market position. This leadership role involves close collaboration with the Board and executive leadership to align financial performance with long-term growth objectives. Through the oversight of global financial reporting and risk management, the Global Chief Financial Officer ensures that the company remains resilient and well-capitalized, enabling the continued delivery of innovative marketing solutions to a diverse, international client base.

    Daigo Hayamizu - Chief Operating Officer

    Daigo Hayamizu, the Chief Operating Officer at Grey, directs the internal processes and operational workflows that sustain the firm's global marketing output. Overseeing the efficiency of creative production and project management systems, the Chief Operating Officer ensures that resources are allocated effectively to meet client demands. Daigo Hayamizu manages the integration of new technologies into daily operations to enhance productivity and service delivery. By streamlining cross-departmental communication, the Chief Operating Officer drives operational excellence and reduces friction in the creative lifecycle. This leadership role involves constant monitoring of performance metrics to identify opportunities for process improvement and cost optimization. Through the implementation of scalable operational frameworks, the Chief Operating Officer supports the company's ability to handle complex, large-scale advertising campaigns, ensuring that every project meets the high standards of quality and timeliness expected by global brand partners.

    Ketan Desai - Group Chief Operating Officer (Grey Group India)

    Ketan Desai, the Group Chief Operating Officer (Grey Group India) at Grey, directs the operational infrastructure and service delivery models within the Indian market. Overseeing the day-to-day management of creative teams and client service departments, the Group Chief Operating Officer (Grey Group India) ensures that local operations align with global quality standards. Ketan Desai manages the implementation of innovative workflows that enhance the speed and effectiveness of advertising campaigns. By driving operational efficiency and fostering a collaborative environment, the Group Chief Operating Officer (Grey Group India) supports the expansion of the firm's client base in the region. This leadership role involves balancing local market agility with the broader strategic goals of the global organization. Through the execution of targeted operational improvements, the Group Chief Operating Officer (Grey Group India) strengthens the company's competitive position, ensuring consistent delivery of high-value marketing solutions.

    Rob Walsh - Executive Vice President & Chief Information Officer

    Rob Walsh, the Executive Vice President & Chief Information Officer at Grey, directs the technological infrastructure and digital transformation initiatives for the global organization. Overseeing the implementation of secure, scalable IT systems, the Executive Vice President & Chief Information Officer ensures that the firm's creative teams have the tools necessary to produce high-quality digital content. Rob Walsh manages the cybersecurity framework and data management strategies that protect client information and intellectual property. By integrating emerging technologies into the company's service offerings, the Executive Vice President & Chief Information Officer drives innovation and operational efficiency. This leadership role involves aligning IT investments with the strategic needs of the business to support global collaboration and remote work capabilities. Through the management of complex technology projects, the Executive Vice President & Chief Information Officer strengthens the company's digital backbone, ensuring that the firm remains at the forefront of the marketing industry.

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    Frequently Asked Questions Regarding Grey Top Executives and Leadership Team

    Who leads Grey?
    Grey is led by Gordon Grey (Chief Executive Officer), along with executives such as Michiko Yui (Chief Executive Officer & HR Secretary & Director) and Sarah Trombetta (Chief Executive Officer (APAC)).
    Who is part of Grey’s executive team?
    The executive team of Grey includes leaders such as Gordon Grey (Chief Executive Officer), Michiko Yui (Chief Executive Officer & HR Secretary & Director), Sarah Trombetta (Chief Executive Officer (APAC)) and other senior executives.
    How many executives does Grey have?
    Grey has 10 executives leading key business areas.
    What roles are included in Grey’s leadership team?
    The leadership team of Grey includes roles such as Chief Executive Officer, Chief Executive Officer & HR Secretary & Director, Chief Executive Officer (APAC), Chief Financial Officer, Chief Financial Officer (South Asia).