Joel Mascarenhas https://joelmascarenhas.com AI strategy, opinions, and practitioner lessons. en Fri, 17 Apr 2026 10:07:31 GMT The Task Is No Longer 'How Do I Prompt.' It's 'How Do I Train My Agents.' https://joelmascarenhas.com/blog/train-agents-not-prompts https://joelmascarenhas.com/blog/train-agents-not-prompts Fri, 06 Mar 2026 00:00:00 GMT Six months of building AI systems inside a traditional company taught me the skill that actually matters — and the expensive mistakes I made learning it. Anthropic's Blue Ocean: How a Company With No Moat Is Building the Only One That Matters https://joelmascarenhas.com/blog/anthropics-blue-ocean https://joelmascarenhas.com/blog/anthropics-blue-ocean Fri, 06 Mar 2026 00:00:00 GMT While every AI lab fights over benchmark scores and user counts, Anthropic quietly built the operating system for agents. How I Built an AI Team Without a Single Traditional Interview https://joelmascarenhas.com/blog/how-i-built-ai-team-without-traditional-interview https://joelmascarenhas.com/blog/how-i-built-ai-team-without-traditional-interview Tue, 24 Feb 2026 00:00:00 GMT Hackathons over group discussions. NDAs as ego filters. The best hire barely spoke for the first hour. Why You Won't Find Me on LinkedIn https://joelmascarenhas.com/blog/why-you-wont-find-me-on-linkedin https://joelmascarenhas.com/blog/why-you-wont-find-me-on-linkedin Tue, 17 Feb 2026 00:00:00 GMT I'm not there. Not in any meaningful way. This is where you find me instead. The AI Company That Wins Won't Be The Smartest — It'll Be The One You Can't Leave https://joelmascarenhas.com/blog/ai-company-that-wins-wont-be-smartest https://joelmascarenhas.com/blog/ai-company-that-wins-wont-be-smartest Tue, 10 Feb 2026 00:00:00 GMT The consolidation wave is coming for AI. The survivor won't win on benchmarks — it'll win on intimacy, depth, and the switching cost nobody's modelling. Stop Comparing AI Models. Start Asking Who Owns The Stack. https://joelmascarenhas.com/blog/stop-comparing-ai-models-ask-who-owns-the-stack https://joelmascarenhas.com/blog/stop-comparing-ai-models-ask-who-owns-the-stack Tue, 03 Feb 2026 00:00:00 GMT The AI companies getting rich aren't building models — they're selling shovels. The real question isn't which model is smartest. It's who owns the infrastructure underneath. Why Your AI Transformation Will Fail — And It Won't Be The Technology's Fault https://joelmascarenhas.com/blog/why-your-ai-transformation-will-fail https://joelmascarenhas.com/blog/why-your-ai-transformation-will-fail Tue, 27 Jan 2026 00:00:00 GMT Most AI initiatives inside traditional companies are performative. The real transformation isn't about algorithms — it's about architecture, ownership, and the discipline to say no. How to Build an AI Department Inside a Traditional Company https://joelmascarenhas.com/blog/how-to-build-ai-department-inside-traditional-company https://joelmascarenhas.com/blog/how-to-build-ai-department-inside-traditional-company Tue, 20 Jan 2026 00:00:00 GMT You don't announce it. You prove it. Build alongside one business head, deliver results, then let the org chart catch up to the reality.