Mobile Dev Memo Podcast

Season 7, Episode 1: GenAI in CTV advertising (with Jonathan Moffie)

Jan 6, 2026
Jonathan Moffie, Head of Agentic Product at Magnite and founder of Streamer.ai, dives into the world of generative AI in CTV advertising. He explains how GenAI transforms ad production, discussing its effectiveness compared to social media and the quality expectations for CTV creatives. The conversation also touches on how GenAI can benefit local advertisers and the importance of integrating creative tools with media buying to enhance return on ad spend. They explore dynamic in-stream product placements and the barriers advertisers face in the CTV landscape.
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INSIGHT

GenAI Needs Media Buying To Drive ROAS

  • Generative AI alone won't deliver ROAS; it must pair with AI-powered media buying.
  • Jonathan Moffie argues combining creative and buying is essential to drive performance on CTV.
ADVICE

Cut Creative Costs And Multiply Variants

  • Make creative 90% cheaper and produce many localized variants to improve CTV performance.
  • Use savings from cheaper creative to increase media spend and personalization per target.
ANECDOTE

Local Brand Renewed After Pixel Proved Value

  • Trident Coffee ran a March Madness CTV spot mainly for local bragging rights and saw few direct results.
  • Adding an IP conversion pixel on their site revealed purchase behavior and convinced them to renew.
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