Grey Executive and Leadership Team

May, 2026

Leadership Overview

Grey has 10 executives leading key functions including strategy, finance, operations, communications, and people.

Driven by a legacy of innovation, Grey is dedicated to crafting impactful marketing and advertising solutions that connect brands with consumers globally, fostering growth and market leadership through creative excellence.

Leadership Roles at Grey

  • Chief Executive Officer - Jinwan Oh
  • Chief Executive Officer (US) - Agnes Fischer
  • Chief Executive Officer, APAC - Sarah Trombetta
  • Chief Financial Officer - Sumeet Kumar
  • Global Chief Financial Officer - Ali Belgaumi
  • Chief Operating Officer - Daigo Hayamizu
  • President, Grey (Mexico) - María Gutiérrez Echeverri
  • Chief Communications Officer (Cco) - Vonda LePage
  • Chief People Officer (South Africa) - Devashnie Singh
  • Senior VP (Asia Pacific) - Aimee Goldthwaite
  • Jinwan Oh - Chief Executive Officer

    Jinwan Oh, the Chief Executive Officer at Grey, directs the overarching strategic vision and global operations for the marketing and advertising powerhouse. This leadership role involves setting the company's direction, driving innovation across all service lines, and ensuring alignment with market demands. Oh oversees the integration of creative, media, and data strategies to deliver impactful campaigns for a diverse client portfolio. By fostering a culture of collaboration and excellence, Jinwan Oh ensures Grey maintains its position as a leader in the global advertising landscape, adapting to evolving consumer behaviors and technological advancements. The Chief Executive Officer's focus remains on sustainable growth and expanding the company's reach across key international markets.
    Jinwan Oh

    Agnes Fischer - Chief Executive Officer (US)

    Agnes Fischer, the Chief Executive Officer (US) at Grey, spearheads the strategic direction and operational leadership for the company's significant presence within the United States market. This role involves driving growth, fostering client relationships, and ensuring the delivery of innovative marketing and advertising solutions tailored to the US consumer landscape. Fischer oversees all US-based operations, guiding creative teams and account management to achieve exceptional campaign results. The Chief Executive Officer (US) focuses on strengthening Grey's market position through strategic partnerships and the development of cutting-edge advertising strategies. Agnes Fischer's leadership ensures the US division remains a vital contributor to the company's global success.
    Agnes Fischer

    Sarah Trombetta - Chief Executive Officer, APAC

    Sarah Trombetta, the Chief Executive Officer, APAC at Grey, leads the company's strategic initiatives and operational management across the Asia-Pacific region. This executive position involves developing and executing tailored marketing and advertising strategies that resonate with diverse cultural markets throughout APAC. Trombetta oversees regional teams, driving business development and ensuring the delivery of high-impact campaigns for clients operating in this dynamic economic zone. The Chief Executive Officer, APAC is instrumental in expanding Grey's footprint and strengthening its brand presence across key Asian markets. Sarah Trombetta's leadership focuses on fostering innovation and driving sustainable growth within the region.
    Sarah Trombetta

    Sumeet Kumar - Chief Financial Officer

    Sumeet Kumar, the Chief Financial Officer at Grey, manages the company's financial health and strategic fiscal planning. This critical function involves overseeing all financial operations, including budgeting, forecasting, and resource allocation across global divisions. Kumar ensures robust financial controls are in place, safeguarding assets and optimizing profitability. The Chief Financial Officer's responsibilities extend to managing investor relations and securing capital for growth initiatives. By providing insightful financial analysis, Sumeet Kumar supports executive decision-making, driving efficiency and maximizing shareholder value. This role is pivotal in navigating the complex financial landscape of the global marketing industry.

    Ali Belgaumi - Global Chief Financial Officer

    Ali Belgaumi, the Global Chief Financial Officer at Grey, directs the comprehensive financial strategy and oversight for the company's worldwide operations. This senior role encompasses managing global financial planning, reporting, and compliance, ensuring fiscal integrity across all international markets. Belgaumi is responsible for optimizing financial performance, driving revenue growth, and managing risk exposure on a global scale. The Global Chief Financial Officer collaborates closely with regional finance teams to implement standardized financial practices and leverage economies of scale. Through strategic financial leadership, Ali Belgaumi supports Grey's expansion initiatives and reinforces its commitment to sustainable profitability across its diverse global footprint.

    Daigo Hayamizu - Chief Operating Officer

    Daigo Hayamizu, the Chief Operating Officer at Grey, orchestrates the day-to-day operational efficiency and execution of the company's global strategies. This leadership position involves streamlining processes, optimizing resource deployment, and ensuring seamless service delivery across all business units. Hayamizu drives operational excellence, focusing on enhancing productivity and implementing best practices throughout the organization. The Chief Operating Officer's scope includes managing cross-functional teams to achieve strategic objectives and maintain high standards of quality. By overseeing operational infrastructure, Daigo Hayamizu ensures Grey can effectively scale its services and respond dynamically to client needs worldwide.

    María Gutiérrez Echeverri - President, Grey (Mexico)

    María Gutiérrez Echeverri, the President, Grey (Mexico) at Grey, directs the comprehensive strategy and operational execution for the company's operations within Mexico. This leadership role involves overseeing all aspects of the Mexican business, from creative development to client services and market expansion. Echeverri focuses on building strong client partnerships and delivering innovative advertising solutions that address the specific needs of the Mexican market. The President, Grey (Mexico) is responsible for driving revenue growth and enhancing Grey's brand reputation within the country. María Gutiérrez Echeverri's strategic vision ensures the Mexican division thrives and contributes significantly to the company's regional success.

    Vonda LePage - Chief Communications Officer (Cco)

    Vonda LePage, the Chief Communications Officer (Cco) at Grey, directs the company's global communication strategies and public relations efforts. This vital role involves shaping the company's narrative, managing corporate reputation, and ensuring consistent messaging across all internal and external platforms. LePage oversees media relations, crisis communications, and stakeholder engagement to enhance Grey's brand visibility and credibility. The Chief Communications Officer (Cco) works closely with executive leadership to articulate the company's vision and values. By managing strategic communications, Vonda LePage supports Grey's business objectives and reinforces its position as a leading marketing and advertising firm.

    Devashnie Singh - Chief People Officer (South Africa)

    Devashnie Singh, the Chief People Officer (South Africa) at Grey, leads human resources strategy and operations for the company's South African division. This critical role focuses on talent acquisition, employee development, and fostering a positive organizational culture that aligns with Grey's global values. Singh oversees all people-related functions, including compensation, benefits, and employee relations, ensuring compliance with local labor laws. The Chief People Officer (South Africa) is dedicated to attracting and retaining top talent, driving employee engagement, and supporting the professional growth of the workforce. Devashnie Singh's leadership ensures that Grey's South African team is well-supported and positioned for success.

    Aimee Goldthwaite - Senior VP (Asia Pacific)

    Aimee Goldthwaite, the Senior VP (Asia Pacific) at Grey, supports the strategic leadership and operational oversight for the company's activities across the Asia Pacific region. This position involves contributing to the development and implementation of regional business plans, focusing on market penetration and client acquisition within diverse APAC economies. Goldthwaite collaborates with regional teams to ensure effective execution of marketing and advertising initiatives. The Senior VP (Asia Pacific) plays a key part in identifying growth opportunities and strengthening Grey's presence throughout the region. Aimee Goldthwaite's efforts are crucial in driving the success of Grey's operations in this key global market.

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    Frequently Asked Questions Regarding Grey Top Executives and Leadership Team

    Who leads Grey?
    Grey is led by Jinwan Oh (Chief Executive Officer), along with executives such as Agnes Fischer (Chief Executive Officer (US)) and Sarah Trombetta (Chief Executive Officer, APAC).
    Who is part of Grey’s executive team?
    The executive team of Grey includes leaders such as Jinwan Oh (Chief Executive Officer), Agnes Fischer (Chief Executive Officer (US)), 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 (US), Chief Executive Officer, APAC, Chief Financial Officer, Global Chief Financial Officer.