Comcast Advertising Executive and Leadership Team

June, 2026

Leadership Overview

Comcast Advertising has 6 executives leading key functions including strategy, finance, operations, sales, and local market development.

Driven by advanced advertising solutions, Comcast Advertising provides sophisticated technology for television and digital video, enabling precise audience targeting and cross-platform campaign management to maximize media impact.

Leadership Roles at Comcast Advertising

  • Chief Executive Officer and Principal Interior Designer - Deborah Davis
  • Chief Financial Officer - John Wimmenauer
  • Comcast Advertising Senior VP & Chief Financial Officer - Karen Seminara
  • Chief Operating Officer, Comcast Advertising - Gina Mingioni
  • President, Comcast Advertising - James Rooke
  • Local Sales Account Executive & President, Two Time 's Club Winner (2023 & 2024) - Leslie Libby
  • Deborah Davis - Chief Executive Officer and Principal Interior Designer

    Deborah Davis, the Chief Executive Officer and Principal Interior Designer at Comcast Advertising, directs the overarching corporate strategy and operational framework. Davis guides the company's vision, ensuring alignment with Comcast Corporation's broader objectives in advanced advertising solutions. Overseeing all functional departments, Davis ensures the seamless integration of technology and sales efforts to deliver superior value to media companies, agencies, and advertisers. This leadership role involves fostering innovation in television and digital video advertising, driving the development of programmatic ad technology and audience targeting capabilities. By championing a client-centric approach, Deborah Davis ensures that Comcast Advertising remains at the forefront of cross-platform campaign management, solidifying its market position and delivering measurable results for partners.

    John Wimmenauer - Chief Financial Officer

    John Wimmenauer, the Chief Financial Officer at Comcast Advertising, manages all financial operations and strategic fiscal planning. Wimmenauer oversees budgeting, forecasting, and financial reporting, ensuring robust fiscal health and profitability for the advertising technology and sales division. This critical role involves analyzing market trends and financial performance to identify opportunities for growth and efficiency within television and digital video advertising solutions. By meticulously managing financial resources, John Wimmenauer supports the company's investment in advanced advertising technologies, including programmatic ad tech and audience targeting. The Chief Financial Officer's oversight extends to ensuring compliance and optimizing financial strategies to enhance cross-platform campaign management for clients, thereby directly contributing to Comcast Advertising's sustained success and market leadership.
    John Wimmenauer

    Karen Seminara - Comcast Advertising Senior VP & Chief Financial Officer

    Karen Seminara, the Comcast Advertising Senior VP & Chief Financial Officer at Comcast Advertising, provides critical financial oversight and strategic guidance for the company's advertising technology and sales initiatives. Seminara collaborates closely with the Chief Financial Officer to ensure financial integrity and support the expansion of advanced advertising solutions for television and digital video. This role involves detailed financial analysis to drive informed decision-making regarding programmatic ad technology, audience targeting, and cross-platform campaign management. By managing financial performance and identifying key investment areas, Karen Seminara directly contributes to the company's ability to offer innovative solutions to media companies, agencies, and advertisers. The Senior VP & Chief Financial Officer's expertise ensures that Comcast Advertising maintains a strong financial foundation while pursuing ambitious growth objectives in the dynamic digital advertising landscape.

    Gina Mingioni - Chief Operating Officer, Comcast Advertising

    Gina Mingioni, the Chief Operating Officer, Comcast Advertising at Comcast Advertising, orchestrates the day-to-day operational execution and efficiency across the organization. Mingioni directs the integration of advanced advertising solutions, ensuring that the company's technology and sales teams function cohesively to serve media companies, agencies, and advertisers. This leadership position involves optimizing workflows for programmatic ad technology, audience targeting, and cross-platform campaign management. By focusing on operational excellence, Gina Mingioni enhances the delivery of television and digital video advertising services, driving innovation and client satisfaction. The Chief Operating Officer's responsibilities include managing resources, streamlining processes, and ensuring that Comcast Advertising consistently meets its strategic objectives and market demands, thereby reinforcing its position as a leader in the advertising technology sector.

    James Rooke - President, Comcast Advertising

    James Rooke, the President, Comcast Advertising at Comcast Advertising, leads the strategic direction and commercial growth of the company's advertising technology and sales division. Rooke drives the vision for advanced advertising solutions, focusing on innovation in television and digital video platforms to serve media companies, agencies, and advertisers effectively. This executive role involves overseeing the development and deployment of programmatic ad technology, sophisticated audience targeting, and comprehensive cross-platform campaign management. By fostering strong client relationships and market partnerships, James Rooke ensures Comcast Advertising remains a leader in delivering impactful advertising experiences. The President's leadership is instrumental in expanding market reach and solidifying the company's reputation for excellence in the evolving landscape of digital advertising and media sales.
    James Rooke

    Leslie Libby - Local Sales Account Executive & President, Two Time 's Club Winner (2023 & 2024)

    Leslie Libby, the Local Sales Account Executive & President, Two Time 's Club Winner (2023 & 2024) at Comcast Advertising, spearheads local sales initiatives and drives revenue growth within specific market segments. Libby focuses on delivering tailored advertising solutions to regional clients, leveraging Comcast Advertising's advanced technology for television and digital video. This role emphasizes building strong relationships with local media companies, agencies, and advertisers, ensuring their needs are met through effective programmatic ad technology and audience targeting. By consistently exceeding sales targets, as evidenced by the 's Club wins, Leslie Libby demonstrates exceptional performance in cross-platform campaign management. The Local Sales Account Executive's dedication to client success and deep understanding of local market dynamics are crucial to Comcast Advertising's comprehensive service offering and sustained success.

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    Frequently Asked Questions Regarding Comcast Advertising Top Executives and Leadership Team

    Who leads Comcast Advertising?
    Comcast Advertising is led by Deborah Davis (Chief Executive Officer and Principal Interior Designer), along with executives such as John Wimmenauer (Chief Financial Officer) and Karen Seminara (Comcast Advertising Senior VP & Chief Financial Officer).
    Who is part of Comcast Advertising’s executive team?
    The executive team of Comcast Advertising includes leaders such as Deborah Davis (Chief Executive Officer and Principal Interior Designer), John Wimmenauer (Chief Financial Officer), Karen Seminara (Comcast Advertising Senior VP & Chief Financial Officer) and other senior executives.
    How many executives does Comcast Advertising have?
    Comcast Advertising has 6 executives leading key business areas.
    What roles are included in Comcast Advertising’s leadership team?
    The leadership team of Comcast Advertising includes roles such as Chief Executive Officer and Principal Interior Designer, Chief Financial Officer, Comcast Advertising Senior VP & Chief Financial Officer, Chief Operating Officer, Comcast Advertising, President, Comcast Advertising.