YC Summer 2026 (S26) founder

Joohyun (CJ) Cha

Founder of Dawn Industries, Automatic Diagnosis & Fix for Industrial Automation Cells

Company

Joohyun (CJ) Cha is listed as a founder of Dawn Industries. VIM connects to the entire cell: PLCs, robots, CNC machines, sensors. When a cell faults, VIM finds the cause, stages the fix, and the operator approves with one click. When a part drifts, VIM catches it seconds after the cut, inside the machine, and recommends the correction. Recovery drops from 30 minutes to under two, saving more than $15,000 per fault in large factories.

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