Santiago Montouliu Villegas

I help AI startups answer the question: "How do we know our AI feature is actually working?" Most teams I work with are shipping LLMs, image generators, or voice AI, but they don't have a rigorous way to test non-deterministic outputs. They're nervous about launches, getting user complaints but can't pinpoint why, or don't trust their quality metrics. I build the quality frameworks and monitoring systems so they can ship AI products with confidence. What I do: AI Product Quality Assessments (pre-launch audits, go/no-go decisions, risk analysis), Quality monitoring dashboards (Amplitude, Mixpanel, GA4), Fractional QA/Analytics lead for AI teams (ongoing advisory for product launches and scaling) Amplitude Certified Specialist. Verified as Top 2% Talent on Arc.dev for Domain Expertise & Communication.