GTB Executive and Leadership Team

May, 2026

Leadership Overview

GTB has 5 executives leading key functions including strategy, operations, and client relations.

Driven by continuous innovation, GTB is dedicated to creating ideas that inspire people to act, accelerating performance for iconic brands through insights, creativity, data, and technology.

Leadership Roles at GTB

  • Co-President - Peter Rentschler
  • Global President - Michael Flynn
  • President - Bogdan Brzezanski
  • President - Eduardo Parapugna
  • Administrative AssistantAssiss To President - Kacy-Leigh Davis
  • Peter Rentschler - Co-President

    Peter Rentschler, the Co-President at GTB, directs strategic initiatives and operational oversight for key client portfolios. Rentschler architects collaborative frameworks that integrate audience science, local intelligence, and creative execution to deliver specialized Precision Retail Marketing. This leadership role ensures the agency's modern, human-centric approach consistently drives tangible business outcomes for globally recognized brands. By fostering a culture of relentless curiosity, Peter Rentschler champions the exploration of emerging trends and technologies within the retail marketing landscape. The Co-President's focus extends to optimizing the synergy between data-driven insights and emotional connection, translating complex analytics into resonant brand narratives that anticipate consumer behavior and secure market growth. This involves close collaboration with other executive leaders to align departmental objectives with GTB's overarching mission of inspiring action through impactful marketing.

    Michael Flynn - Global President

    Michael Flynn, the Global President at GTB, spearheads the agency's worldwide operations and client engagement strategies. Flynn drives the expansion of GTB's precision retail marketing offering across diverse international markets, ensuring consistent application of audience science, local intelligence, and creative innovation. This executive leadership role is pivotal in translating GTB's core mission of inspiring action into measurable growth for a global roster of iconic brands. Michael Flynn oversees the integration of data and technology as creative tools, emphasizing their role in fostering deeper human understanding and connection. The Global President's responsibilities include cultivating strategic partnerships and ensuring that GTB's precision-based approach remains at the forefront of marketing innovation. By championing a human-centric philosophy, Flynn guides teams to transform insights into compelling narratives that anticipate consumer behavior and deliver superior business results.

    Bogdan Brzezanski - President

    Bogdan Brzezanski, the President at GTB, leads critical aspects of the agency's strategic direction and operational execution. Brzezanski focuses on enhancing GTB's capabilities in precision retail marketing, ensuring the seamless integration of audience science, local intelligence, and creative ideation. This leadership position is fundamental to accelerating performance for premier brands by leveraging data and technology to inspire action. Bogdan Brzezanski champions a modern, human-centric philosophy, driving teams to translate complex insights into emotionally resonant campaigns that anticipate consumer behavior. The President's oversight extends to fostering innovation within the marketing landscape, particularly in the dynamic intersection of data, technology, and retail. By maintaining a relentless curiosity about what's next, Brzezanski ensures GTB remains a vanguard in delivering specialized marketing solutions that yield significant business outcomes.

    Eduardo Parapugna - President

    Eduardo Parapugna, the President at GTB, directs key strategic imperatives and operational frameworks that define the agency's market impact. Parapugna drives the evolution of GTB's precision retail marketing offering, emphasizing the fusion of audience science, local intelligence, and creative ingenuity to inspire action. This executive role is central to accelerating performance for world-renowned brands by harnessing the power of data and technology. Eduardo Parapugna cultivates a human-centric approach, guiding teams to translate data-driven insights into emotional connections that anticipate consumer behavior and deliver measurable business outcomes. The President's focus includes championing innovation at the nexus of data, technology, and retail marketing, ensuring GTB remains at the forefront of the industry. By fostering a culture of relentless curiosity, Parapugna ensures the agency's specialized offerings consistently achieve superior results.
    Eduardo Parapugna

    Kacy-Leigh Davis - Administrative AssistantAssiss To President

    Kacy-Leigh Davis, the Administrative AssistantAssiss To President at GTB, provides essential operational support to executive leadership, facilitating the smooth execution of strategic initiatives. Davis ensures efficient coordination of schedules and communication channels, enabling presidents to focus on driving performance for iconic brands through precision retail marketing. This role is critical in maintaining the agency's momentum in applying data, technology, and creativity to inspire action. Kacy-Leigh Davis supports the implementation of GTB's human-centric philosophy by managing administrative workflows that underpin the translation of insights into actionable marketing strategies. The administrative assistant's contribution is vital for fostering the relentless curiosity that keeps GTB at the forefront of marketing innovation and ensures the delivery of specialized solutions designed to achieve significant business outcomes.

    Explore Leadership Teams in Advertising Networks

    Frequently Asked Questions Regarding GTB Top Executives and Leadership Team

    Who leads GTB?
    GTB is led by Peter Rentschler (Co-President), along with executives such as Michael Flynn (Global President) and Bogdan Brzezanski (President).
    Who is part of GTB’s executive team?
    The executive team of GTB includes leaders such as Peter Rentschler (Co-President), Michael Flynn (Global President), Bogdan Brzezanski (President) and other senior executives.
    How many executives does GTB have?
    GTB has 5 executives leading key business areas.
    What roles are included in GTB’s leadership team?
    The leadership team of GTB includes roles such as Co-President, Global President, President, President, Administrative AssistantAssiss To President.