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Eleni Marouli

Analyst

Eleni Marouli is a media and advertising industry analyst with a strong background in global advertising expenditure research and forecasting. She gained recognition in the AdTech and media industry for her work on advertising market analysis, including contributions to widely cited reports on global ad spend surpassing $500 billion, which were published around 2015-2016. Her analytical work helped shape industry understanding of digital advertising growth trajectories and the shifting dynamics between traditional and digital media channels. Prior to her current role, Marouli built her career in media research and intelligence, developing expertise in advertising market sizing, digital media trends, and the competitive landscape of the global advertising ecosystem. Her research was referenced by major industry publications including MediaPost, lending her work credibility and visibility across the AdTech and media buying communities. Marouli currently works at Ofcom, the UK's communications regulator, where her analytical background in media and advertising markets is well-suited to the regulatory environment overseeing broadcasting, telecoms, and online platforms. Her transition to Ofcom reflects a broader trend of industry analysts moving into policy and regulatory roles as digital advertising faces increasing scrutiny.

Company: OfcomBased: London, United Kingdom

Last updated Aug 5, 2026 by ATDb automated enrichment

Years in industry
15 years

Bio

Eleni Marouli is a media and advertising industry analyst with a strong background in global advertising expenditure research and forecasting. She gained recognition in the AdTech and media industry for her work on advertising market analysis, including contributions to widely cited reports on global ad spend surpassing $500 billion, which were published around 2015-2016. Her analytical work helped shape industry understanding of digital advertising growth trajectories and the shifting dynamics between traditional and digital media channels. Prior to her current role, Marouli built her career in media research and intelligence, developing expertise in advertising market sizing, digital media trends, and the competitive landscape of the global advertising ecosystem. Her research was referenced by major industry publications including MediaPost, lending her work credibility and visibility across the AdTech and media buying communities. Marouli currently works at Ofcom, the UK's communications regulator, where her analytical background in media and advertising markets is well-suited to the regulatory environment overseeing broadcasting, telecoms, and online platforms. Her transition to Ofcom reflects a broader trend of industry analysts moving into policy and regulatory roles as digital advertising faces increasing scrutiny.

Career

  • Media Analyst / Research Analyst

    IHS (now IHS Markit) · circa 2012-2019

Expertise & education

Expertise

Global Advertising Expenditure ForecastingDigital Advertising MarketsMedia Research and IntelligenceProgrammatic Advertising TrendsTelevision and Video AdvertisingMedia RegulationAd Spend AnalysisDigital Media Landscape

Speaking topics

Global advertising market trendsDigital advertising growth and forecastingMedia market analysis

Recognition

Notable achievements

  • Contributed to widely cited research forecasting global advertising spend surpassing $500 billion in 2016
  • Research referenced by major industry publications including MediaPost
  • Transitioned analytical expertise into a regulatory role at Ofcom, the UK's leading communications regulator

Publications

  • Global Advertising Expenditure Forecasts (IHS, circa 2015-2016)