Summary
Kohei Kataoka is a Senior Data Scientist and AI engineer with 10 years of experience building production-grade NLP, LLM and agentic systems across AWS and Azure. He has led cross-functional teams from rapid prototyping to deployment, delivering agents that improve employee knowledge access, compliance, and measurable business outcomes. Skilled in orchestration, tool use, RAG, semantic search, prompt design, evaluation and safety guardrails, he bridges research-grade methods with pragmatic system design and A/B-tested product metrics. His background includes roles as AI Architect at Accenture Japan and AI Engineer at NTT DATA, and he now leads AI work at Sprout.ai from Vilnius. Unusually for an AI lead, he holds a Ph.D. in Materials Science, which informs his experimental rigor and structured problem-framing.
10 years of coding experience
5 years of employment as a software developer
Bachelor’s Degree Materials Science, Bachelor’s Degree Materials Science at Sendai National College of Technology
Doctor of Philosophy (Ph.D.) Materials Science, Doctor of Philosophy (Ph.D.) Materials Science at Tohoku University
Japanese, English