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Bring me the difficult system problem.

I am most useful when a production AI system must become more dependable. I also work on technical-learning environments, institutional design, speaking, and substantive collaboration.

Good reasons to reach out

Production AI systemsArchitecture, evaluation, observability, workflow state, failure recovery, and the path from a plausible demo to dependable operation.
Technical people and learning programsCurriculum, coaching, deliberate practice, mentorship systems, and communities that develop strong problem solvers.
Institutions and technical-talent programsSelection, mentorship, contribution pathways, continuity, public accountability, and durable operating models.
Speaking and substantive collaborationAI reliability, engineering leadership, competitive programming, technical education, and institution building.

A structured first note

Tell me enough to be useful

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What should we discuss?

Problem, urgency, and constraints Specific context beats a polished brief.

A useful outcome

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I usually respond within 2–3 business days. Direct address: yongwhan@yongwhan.io