PHD Executive and Leadership Team

July, 2026

Leadership Overview

PHD has 6 executives leading key functions including strategy, operations, marketing, and finance.

Driven by innovation, PHD is dedicated to pioneering communications planning and media buying, setting industry standards since its inception.

Leadership Roles at PHD

  • Chief Executive Officer - Phionah Kay
  • CEO/首席执行官 - Joey Zhao
  • Executive Vice President & Chief Financial Officer - Michelle Diehl
  • Chief Operating Officer - Stuart Bailey
  • Chief Operating Officer, Fwa (Nigeria) - Chima Amadi
  • Chief Marketing Officer - Henry Ononiwu
  • Phionah Kay - Chief Executive Officer

    Phionah Kay, the Chief Executive Officer at PHD, directs the overarching strategy and vision for the global communications planning and media buying agency. Kay's leadership focuses on driving innovation and maintaining PHD's position as a pioneer in the industry, ensuring the agency's continued success in a rapidly evolving market. This executive role involves setting the company's direction, fostering a culture of creativity, and overseeing all major business decisions to uphold the agency's founding principles of strategic and creative planning. Kay's influence extends to shaping client relationships and ensuring the delivery of exceptional media solutions that align with PHD's commitment to excellence. The strategic imperatives under Kay's guidance aim to expand market reach and enhance service offerings, solidifying PHD's reputation for groundbreaking work in media.

    Joey Zhao - CEO/首席执行官

    Joey Zhao, the CEO/首席执行官 at PHD, spearheads the strategic direction and operational execution for the agency, particularly focusing on its global presence and market penetration. Zhao's mandate involves translating the company's pioneering spirit into tangible business growth and ensuring that PHD remains at the forefront of communications planning and media buying. This leadership position requires a deep understanding of diverse market dynamics and the ability to implement innovative strategies that resonate across different regions. Zhao is responsible for driving key initiatives that enhance the agency's competitive edge and foster strong client partnerships. The focus remains on optimizing operational efficiencies and expanding PHD's influence within the international marketing landscape, ensuring sustained relevance and impact.

    Michelle Diehl - Executive Vice President & Chief Financial Officer

    Michelle Diehl, the Executive Vice President & Chief Financial Officer at PHD, oversees all financial operations, strategic financial planning, and fiscal management for the agency. Diehl's role is integral to ensuring the financial health and sustainable growth of PHD, managing budgets, investments, and financial reporting. This executive position requires meticulous oversight of financial resources to support the agency's innovative strategies and global operations. Michelle Diehl ensures that financial decisions align with the company's long-term objectives and its pioneering legacy in media planning and buying. The focus is on optimizing financial performance, managing risk, and providing the financial framework necessary for PHD to continue its trajectory of success and market leadership.

    Stuart Bailey - Chief Operating Officer

    Stuart Bailey, the Chief Operating Officer at PHD, manages the day-to-day operations and ensures the efficient execution of the agency's strategic initiatives. Bailey's responsibilities encompass optimizing internal processes, resource allocation, and operational scalability to support PHD's global client base. This role is critical in translating the agency's innovative planning and buying strategies into seamless service delivery. Stuart Bailey oversees the operational infrastructure that enables PHD to maintain its reputation for strategic and creative excellence. The focus is on enhancing operational performance, driving efficiency across departments, and ensuring that the agency's resources are leveraged effectively to meet client objectives and market demands. Bailey's leadership ensures the robust functioning of all operational facets.
    Stuart Bailey

    Chima Amadi - Chief Operating Officer, Fwa (Nigeria)

    Chima Amadi, the Chief Operating Officer, Fwa (Nigeria) at PHD, directs the operational strategy and execution specifically within the Nigerian market, focusing on FWA (Future Women Awards) initiatives and broader agency operations. Amadi's leadership ensures that PHD's core principles of strategic and creative planning are effectively implemented in the region, driving local market growth and client success. This role involves managing regional resources, optimizing service delivery, and adapting global strategies to local nuances. Chima Amadi is pivotal in strengthening PHD's presence and impact in Nigeria, ensuring operational excellence and fostering strong relationships within the local business ecosystem. The objective is to enhance operational efficiency and contribute significantly to the agency's overall performance in Africa.
    Chima Amadi

    Henry Ononiwu - Chief Marketing Officer

    Henry Ononiwu, the Chief Marketing Officer at PHD, drives the agency's brand positioning, market outreach, and client acquisition strategies. Ononiwu is responsible for articulating PHD's unique value proposition in communications planning and media buying to prospective and existing clients. This executive function involves developing and executing comprehensive marketing campaigns that highlight the agency's innovative approach and industry leadership. Henry Ononiwu ensures that PHD's brand message effectively communicates its pioneering heritage and commitment to strategic, creative solutions. The marketing efforts under Ononiwu's direction aim to expand PHD's market share and reinforce its status as a leader in the media landscape, fostering growth through targeted engagement and brand advocacy.
    Henry Ononiwu

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    Frequently Asked Questions Regarding PHD Top Executives and Leadership Team

    Who leads PHD?
    PHD is led by Phionah Kay (Chief Executive Officer), along with executives such as Joey Zhao (CEO/首席执行官) and Michelle Diehl (Executive Vice President & Chief Financial Officer).
    Who is part of PHD’s executive team?
    The executive team of PHD includes leaders such as Phionah Kay (Chief Executive Officer), Joey Zhao (CEO/首席执行官), Michelle Diehl (Executive Vice President & Chief Financial Officer) and other senior executives.
    How many executives does PHD have?
    PHD has 6 executives leading key business areas.
    What roles are included in PHD’s leadership team?
    The leadership team of PHD includes roles such as Chief Executive Officer, CEO/首席执行官, Executive Vice President & Chief Financial Officer, Chief Operating Officer, Chief Operating Officer, Fwa (Nigeria).