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 Learn more about your ad choices. Visit megaphone.fm/adchoices