Zeno Executive and Leadership Team

August, 2026

Leadership Overview

Zeno has 6 executives leading key functions including strategy, operations, culture, and regional market development.

Driven by a commitment to integrated communications, Zeno delivers research-backed insights to global businesses while maintaining a focus on transformative brand storytelling and measurable market impact.

Leadership Roles at Zeno

  • Chief Executive Officer - T. Zeno
  • President & Chief Executive Officer - Tomy Yonezawa
  • Global Chief Executive Officer - Barby Siegel
  • Chief Operating Officer - Stephen Russell
  • President (US) & Chief Culture Officer - Grant Deady
  • Regional President (Asia Pacific) - David Lian
  • T. Zeno - Chief Executive Officer

    T. Zeno, the Chief Executive Officer at Zeno, directs the overarching strategic vision for the global communications agency. By prioritizing data-driven research, the Chief Executive Officer ensures that client campaigns align with evolving market demands. T. Zeno oversees the integration of creative services across diverse business sectors, fostering a culture of innovation and excellence. This leadership role involves constant collaboration with the board to refine long-term growth objectives and maintain a competitive edge in the communications industry. Through the implementation of rigorous performance metrics, the Chief Executive Officer drives operational efficiency and client satisfaction. T. Zeno maintains a focus on expanding the agency's footprint by leveraging deep industry insights to solve complex business challenges. Ultimately, the Chief Executive Officer secures the firm's reputation as a leader in integrated marketing solutions by consistently delivering high-value results for a global portfolio of corporate partners.

    Tomy Yonezawa - President & Chief Executive Officer

    Tomy Yonezawa, the President & Chief Executive Officer at Zeno, manages the daily execution of corporate strategy and agency-wide performance. Focusing on the intersection of research and communication, the President & Chief Executive Officer architects scalable frameworks that support client growth. Tomy Yonezawa coordinates with department heads to ensure that service delivery remains consistent with the agency's high standards for quality and insight. This leadership role requires balancing immediate operational needs with the long-term mission of providing actionable business intelligence. By optimizing internal workflows, the President & Chief Executive Officer enhances the agency's ability to respond to rapid shifts in the global communications landscape. Yonezawa drives initiatives that strengthen client relationships and foster sustainable revenue streams. Through disciplined management, the President & Chief Executive Officer ensures that every project reflects the core values of the firm while achieving measurable success for diverse business clients.

    Barby Siegel - Global Chief Executive Officer

    Barby Siegel, the Global Chief Executive Officer at Zeno, leads the international expansion and strategic positioning of the agency. Overseeing the firm's global operations, the Global Chief Executive Officer ensures that research-based communication strategies remain effective across varied international markets. Barby Siegel drives the development of cross-border partnerships, enabling the agency to provide seamless service to multinational corporations. This leadership role involves aligning regional teams with the overarching corporate mission to maintain a unified brand identity. By fostering a culture of collaboration, the Global Chief Executive Officer empowers teams to deliver innovative solutions that address complex global business challenges. Siegel monitors market trends to anticipate future needs, ensuring the agency remains at the forefront of the communications industry. Through strategic oversight, the Global Chief Executive Officer secures the firm's position as a premier partner for businesses seeking to leverage data-driven insights for global growth and brand development.

    Stephen Russell - Chief Operating Officer

    Stephen Russell, the Chief Operating Officer at Zeno, manages the internal infrastructure and resource allocation necessary for agency success. By streamlining operational processes, the Chief Operating Officer ensures that research and communication teams possess the tools required for high-level performance. Stephen Russell oversees the financial health of the agency, implementing systems that maximize efficiency and support sustainable growth. This leadership role involves coordinating with other executives to align operational capacity with strategic business goals. Russell drives the adoption of new technologies that improve data analysis and project management capabilities. Through rigorous oversight of internal workflows, the Chief Operating Officer maintains the stability of the agency's service delivery model. By focusing on operational excellence, the Chief Operating Officer supports the firm's mission to provide high-quality insights to businesses. Russell ensures that the agency remains agile and responsive to the needs of a diverse and demanding client base.

    Grant Deady - President (US) & Chief Culture Officer

    Grant Deady, the President (US) & Chief Culture Officer at Zeno, directs the agency's domestic operations while cultivating a high-performance workplace environment. Focusing on the North American market, the President (US) & Chief Culture Officer ensures that communication strategies align with regional business objectives. Grant Deady architects programs that promote employee engagement and professional development, recognizing that a strong culture drives superior client outcomes. This leadership role involves balancing the demands of US-based operations with the broader mission of the agency. By integrating research-backed insights into daily management, the President (US) & Chief Culture Officer enhances the quality of service provided to domestic clients. Deady drives initiatives that foster innovation and collaboration across all US teams. Through consistent leadership, the President (US) & Chief Culture Officer secures the agency's reputation as a top-tier employer and a trusted partner for businesses seeking to navigate the complex US communications landscape.

    David Lian - Regional President (Asia Pacific)

    David Lian, the Regional President (Asia Pacific) at Zeno, oversees the agency's expansion and service delivery across the Asia Pacific region. By driving market-specific communication strategies, the Regional President (Asia Pacific) ensures that the firm's research-based insights resonate with local business needs. David Lian coordinates with global leadership to align regional operations with the agency's overarching mission. This leadership role involves navigating diverse market dynamics to secure new business opportunities and strengthen existing client relationships. By fostering local talent and promoting a culture of excellence, the Regional President (Asia Pacific) enhances the agency's competitive position in the region. Lian monitors regional trends to adapt service offerings, ensuring that the firm remains a leader in integrated communications. Through strategic management, the Regional President (Asia Pacific) supports the agency's goal of providing high-value, data-driven solutions to businesses operating within the complex and rapidly evolving Asia Pacific market.

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    Frequently Asked Questions Regarding Zeno Top Executives and Leadership Team

    Who leads Zeno?
    Zeno is led by T. Zeno (Chief Executive Officer), along with executives such as Tomy Yonezawa (President & Chief Executive Officer) and Barby Siegel (Global Chief Executive Officer).
    Who is part of Zeno’s executive team?
    The executive team of Zeno includes leaders such as T. Zeno (Chief Executive Officer), Tomy Yonezawa (President & Chief Executive Officer), Barby Siegel (Global Chief Executive Officer) and other senior executives.
    How many executives does Zeno have?
    Zeno has 6 executives leading key business areas.
    What roles are included in Zeno’s leadership team?
    The leadership team of Zeno includes roles such as Chief Executive Officer, President & Chief Executive Officer, Global Chief Executive Officer, Chief Operating Officer, President (US) & Chief Culture Officer.