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Joanna Gerber

Indexed from published reporting. Not a medianexis staff byline. Any journalist can ask to be removed.

Coverage

6 stories, newest first.RSS →
Tatari launches Max, an ML engine to match CTV ads to the right audience

Tatari launches Max, an ML engine to match CTV ads to the right audience

AdExchanger’s Joanna Gerber reports that Tatari launched Tatari Max, an ad-server-level optimization engine that uses machine learning to decide which TV ads to serve which audiences.

Ad-tech

ChatGPT Ads expands to 26 countries as active advertiser count lags claims

AdExchanger’s Joanna Gerber reports that OpenAI is expanding ChatGPT Ads into 26 new countries, 14 of them in Latin America, and says more than 100,000 advertisers have run ads on the platform since its launch eight months ago.

Oct 22
Ad-tech

Nestlé Mexico unifies 70-brand data to break ad-targeting siloes

AdExchanger’s Joanna Gerber reports that Nestlé México, present in 90% of households nationwide, used to target each of its 70-plus brands separately until it connected its CRM and Amazon clean-room data to Treasure AI’s agentic platform.

Oct 12
Ad-tech

OpenAI bets on sponsored chat agents, not publisher payouts

AdExchanger’s Joanna Gerber reports that OpenAI’s Colleen Coulter told a Programmatic IO audience that sponsored agents, not standard display-style ads, are the future of AI-native advertising.

Sep 30
Creators

Upfluence goes fully agentic with AI system Jaice for creator deals

AdExchanger’s Joanna Gerber reports that Upfluence has shifted to a fully agentic model powered by its Jaice system, which now handles the entire creator partnership process for brands, from writing briefs to contacting creators and negotiating rates.

Sep 29
Ad-tech

ChatGPT ads hit $1B run rate, but advertisers want proof before scaling up

AdExchanger’s Joanna Gerber reports that OpenAI’s ad business reached a $1 billion annualized run rate, based solely on actual spend, not credits, but that trails its own $2.5 billion 2026 projection.

Sep 5