Case studies · Production AI

Long Tang

AI & Product Engineer, Paris — two production systems, told honestly.

🎯 ProspectIQ→

Agentic AI that turns a company name into a verified sales dossier — a 4-country paid pilot, with a verification layer and a hard cost ceiling.

✍️ Target7→

An AI IELTS grader benchmarked essay-by-essay against a teacher: band MAE 0.31, never over-grades, and a data-backed "don't ship."