About
David Yu founded YouLearn, an AI tutoring platform, and previously led technology and marketing roles at TWA while teaching artificial intelligence during his college years.
David Yu @1davidyu1
Try your hardest docs in the playground, then book a call to see how we can tune it to your accuracy, speed, or review process. https://t.co/fQrPvvUDGG
Jul 28, 2026 Β· β₯ 4
David Yu @1davidyu1
Previously, we built @youlearnai, where we processed 70M pages for 2.5M users. To handle everything from 500 page textbooks and handwritten notes to scanned documents with broken tables, we built our own document parser. When we launched our parser as an API, healthcare,
Jul 28, 2026 Β· β₯ 6
David Yu @1davidyu1
After tuning, one YC healthcare company went from 71% text accuracy on the first pass to 96.5% within five days. Another cut end-to-end latency from 90 seconds to under a minute. And a third cut processing costs by 75%.
Jul 28, 2026 Β· β₯ 7
Co-founder & CEO at HanjiYC X25
Intro paths
David went through Y Combinator (Spring 2025) β any YC alum in your network can reach them through the YC community.
Their group partner at YC was David Lieb, General Partner at Y Combinator β the partner who ran Hanji's batch and knows the company first-hand. YC profile β
In turn, David can intro founders to Hanji's investors below.
Hanji's investors Β· 1
Co-founders at Hanji
