Gaspard LoeillotEssays, podcasts, and projects by Gaspard Loeillot — founding engineer at Laurence (YC W26).https://gaspard-loeillot.github.io/Win on ChatGPT Adshttps://gaspard-loeillot.github.io/essays/win-on-chatgpt-ads/https://gaspard-loeillot.github.io/essays/win-on-chatgpt-ads/Early reflections on how OpenAI Ads work and the forces that will decide who winsSat, 09 May 2026 00:00:00 GMTOpenAI AdsLaurenceExplore fast, exploit when direction is foundhttps://gaspard-loeillot.github.io/essays/first-principles-feedback-loops/https://gaspard-loeillot.github.io/essays/first-principles-feedback-loops/Startups win by building tight feedback loops that reveal direction early, then scaling what actually works.Fri, 08 May 2026 00:00:00 GMTstartupsconsultingData is the Moathttps://gaspard-loeillot.github.io/essays/data-is-the-moat/https://gaspard-loeillot.github.io/essays/data-is-the-moat/In a world where algorithms are commoditized, the only durable moat is proprietary data — and most founders aren't thinking about it early enough.Fri, 27 Mar 2026 00:00:00 GMTstartupsdata