Hyun Yang

📍 South Korea

💍 Husband to a beautiful wife 👶 Dad to a playful son 🤖 Top 1% AI user (aspiring)

Experience

Co-founded & sold a B2B SaaS company

Built it from the ground up to a seven-figure exit.
Founded & folded two startups

Two ventures that didn't make it — and taught me the most.
Head of Strategy at a high-growth IT startup

Valued at ₩100B+ ($70M).
Product Owner

Shipped products across EdTech and online travel & hospitality.
Bestselling author

Wrote a book that resonated with readers — especially middle & high school students.
Engineering at SNU · Business at KAIST (Master's)

Building

tubesignal.netLive

Monitors YouTube reviews and sends you real-time alerts.
vibeworkingInternal

A self-optimizing work OS — Notion, calendar, Slack, to-dos, and a Mac desktop widget wired together and tuned daily.

Off the clock

🏃 10K in 55 min (top 30%) 💪 10 pull-ups 🎶 Ukulele (3 yrs) — my son's favorite musician