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MC
AI Lead
Marcus Chen
Marcus heads up AI at Nuxa. Previously a research engineer at two LLM-focused startups, he writes about how language models actually behave in production restaurant workflows — what works, what breaks, and what's still vapor.
LLM agentsPrompt engineeringAI reliability
Posts by Marcus
- Apr 8, 2026 · AI OperationsAI replies vs. canned replies: what guests actually notice (4,000-reply A/B test)We A/B tested 4,000 review replies across 80 restaurants. Half got generic templates, half got AI replies trained on the restaurant's voice. The winning pattern was not what we expected.Read post
- Feb 25, 2026 · AI OperationsWhat 'AI for restaurants' actually means in 2026 — a buyer's guide for operatorsAI for restaurants isn't one product. It's four distinct categories, with very different track records. Here's what works, what doesn't, and what to ask before signing.Read post