Comcast Advertising Executive and Leadership Team

May, 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 cutting-edge technology for television and digital video, enabling precise audience targeting and cross-platform campaign management to redefine media engagement.

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
  • Local Sales Account Executive & President, Two Time 's Club Winner (2023 & 2024) - Leslie Libby
  • President, Comcast Advertising - James Rooke
  • 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 execution. Davis guides the company's vision, ensuring alignment with Comcast Corporation's broader objectives in advanced advertising solutions. Overseeing all departments, Davis focuses on driving innovation in television and digital video advertising technologies. This leadership role involves fostering a culture of excellence and accountability across the organization. Davis ensures that the company's offerings, including programmatic ad technology and audience targeting, meet the evolving needs of media companies, agencies, and advertisers. The strategic direction set by Davis aims to enhance cross-platform campaign management capabilities and solidify Comcast Advertising's market position. Deborah Davis is pivotal in shaping the future of advertising technology.

    John Wimmenauer - Chief Financial Officer

    John Wimmenauer, the Chief Financial Officer at Comcast Advertising, manages all financial operations and strategic financial planning. Wimmenauer oversees budgeting, forecasting, and financial reporting, ensuring fiscal responsibility and driving profitable growth. This role involves close collaboration with other C-suite executives to align financial strategies with business objectives, particularly in the advanced advertising solutions sector. Wimmenauer's expertise is critical in evaluating investment opportunities and managing financial risks associated with new technologies and market expansions. The Chief Financial Officer ensures the financial health of the company, supporting initiatives in programmatic ad technology and cross-platform campaign management. John Wimmenauer's financial acumen underpins the company's ability to deliver robust advertising solutions to media companies, agencies, and advertisers, thereby maximizing shareholder value and operational efficiency.
    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. Seminara supports the Chief Financial Officer in managing the company's financial health, focusing on the specific needs of the advertising technology and sales division. This role involves detailed financial analysis, resource allocation, and risk management within the context of television and digital video advertising. Seminara contributes to financial planning and reporting, ensuring compliance and driving fiscal discipline across various initiatives, including audience targeting and cross-platform campaign management. The Senior VP & Chief Financial Officer collaborates with leadership to identify financial opportunities and challenges, supporting the delivery of advanced advertising solutions. Karen Seminara's financial expertise is vital for the sustained growth and operational success of Comcast Advertising.

    Gina Mingioni - Chief Operating Officer, Comcast Advertising

    Gina Mingioni, the Chief Operating Officer, Comcast Advertising at Comcast Advertising, directs daily operations and optimizes business processes. Mingioni focuses on enhancing the efficiency and effectiveness of the company's advanced advertising solutions, including programmatic ad technology and audience targeting. This leadership position involves overseeing the integration of new technologies and ensuring seamless execution of cross-platform campaign management for clients. Mingioni works to streamline operational workflows, improve service delivery, and foster interdepartmental collaboration to achieve strategic goals. The Chief Operating Officer plays a key part in scaling operations to meet market demand and maintain a competitive edge in the television and digital video advertising space. Gina Mingioni's operational leadership ensures the reliable delivery of innovative advertising solutions to media companies, agencies, and advertisers.

    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, drives local market sales and client relationships. Libby focuses on delivering tailored advertising solutions to businesses within specific geographic regions, leveraging the company's advanced technology for television and digital video. This role involves cultivating strong partnerships with local media companies, agencies, and advertisers, ensuring their campaign objectives are met through effective audience targeting and cross-platform management. Libby's consistent success, recognized by the 's Club awards, highlights exceptional performance in driving revenue and client satisfaction. The Local Sales Account Executive's dedication ensures that local businesses benefit from Comcast Advertising's innovative programmatic ad technology. Leslie Libby's commitment to client success exemplifies the company's focus on localized, impactful advertising strategies.

    James Rooke - President, Comcast Advertising

    James Rooke, the President, Comcast Advertising at Comcast Advertising, leads the strategic direction and overall performance of the advertising technology and sales division. Rooke oversees the development and deployment of advanced advertising solutions, including programmatic ad technology, audience targeting, and cross-platform campaign management for television and digital video. This executive position involves fostering innovation, driving market growth, and ensuring the company's offerings meet the evolving needs of media companies, agencies, and advertisers. Rooke collaborates closely with Comcast Corporation leadership to align the division's objectives with broader corporate goals. The President is instrumental in shaping the company's market impact and competitive positioning. James Rooke's leadership guides Comcast Advertising in delivering impactful and effective advertising solutions across all platforms.
    James Rooke

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