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Ronan Shields

Thought Leader

Ronan Shields is Senior Reporter, Advertising Technology at Digiday, where he covers ad tech and writes the weekly Digiday Ad Tech Briefing. He joined Digiday in November 2021 from Adweek.

Last updated Oct 18, 2026 by the ATDb Editorial Team

Role
Senior Reporter, Advertising Technology
Company
Digiday
Based
New York, New York, United States
Connections
1

AI-drafted from public sources7 sources cited

Years in industry
12 years

Career

  • Senior Reporter, Advertising TechnologyCurrent

    Digiday · Since 2021

Roles with a cited source. All linked roles are in the Roles tab.

Expertise & education

Expertise

Programmatic AdvertisingAd FraudSupply Chain TransparencyMade-For-Advertising (MFA) SitesSupply Path Optimization (SPO)Header BiddingAdTech Investigative JournalismDigital Advertising Ecosystem

Speaking topics

Ad Fraud and Supply Chain IntegrityMade-For-Advertising Sites and ArbitrageProgrammatic TransparencySupply Path Optimization

Recognition

Publications

  • Digiday
  • Adweek
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