The Parallel Infrastructure: Why Premium CTV Publishers Are Building Outside the Programmatic Stack

At Marketecture Live, Ari Paparo from Marketecture Media joins Philip Inghelbrecht, Co-Founder & CEO at Tatari, Bill Murray, Head of Growth and Performance at Warner Bros Discovery, and Michael Reidy, Senior Vice President, Ad Sales at NBCUniversal.

They unpack how streaming inventory is bought and sold, the balance between programmatic and direct deals, and why premium inventory often sits outside traditional programmatic pipes. The discussion also explores live events, automation, and how new solutions like Tatari’s Upstream aim to reshape access to high-quality CTV inventory.

Takeaways

• The U.S. TV ad market is ~$90B, with $60B still in linear and $30B in streaming
• Only about half of streaming inventory is programmatic, and much of the premium supply is sold directly
• Direct buying offers advantages like guaranteed inventory, brand safety, and fewer intermediary fees
• Programmatic excels in targeting, flexibility, and discovery of new audience opportunities
• Publishers view direct and programmatic as complementary, not competing channels
• Live events and moment-driven content create spikes that favor guaranteed direct deals
• Automation is reshaping direct buying, making premium inventory more accessible to smaller advertisers
• Tatari’s Upstream aims to automate direct deals and bypass traditional programmatic layers
• The future of CTV will likely be hybrid, combining automation, data, and direct relationships

Chapters

00:00 Introduction to the Marketecture Live discussion

00:21 Breaking down the $90B TV and CTV market

02:04 Overlap between direct and programmatic inventory

02:30 Publisher perspective on inventory strategy

04:03 Advertiser value targeting vs premium placement

05:03 Why direct and programmatic are complementary

06:07 Benefits of direct buying for brands

07:30 Brand safety, fraud, and cost efficiencies

08:40 The importance of publisher relationships

09:30 Live events and operational challenges

10:08 Peacock strategy and nowness content

11:35 Dynamic ad insertion vs linear pass-through

12:34 Audience behavior and shared viewing moments

13:14 Managing unpredictable live inventory

14:08 Introducing Tatari’s Upstream platform

15:40 Automation of direct deals

16:00 Concentration of CTV supply among top publishers

17:04 Lowering barriers for new advertisers

18:15 How Upstream benefits publishers and buyers

19:45 Future roadmap and machine learning optimization

22:07 Performance vs brand programmatic vs direct debate

22:33 Growth of CTV and advertiser adoption

23:12 The future coexistence of direct and programmatic

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