Experience

• Co-founded & sold a B2B SaaS company

  Built it from the ground up to a seven-figure exit — as co-founder and product owner.
• Founded & folded an education company

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

  A travel & hospitality startup valued at ₩100B+ ($70M).
• 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

  Turns YouTube videos into a newsletter.
• vibeworkingJust for me

  A self-optimizing work OS — Notion, calendar, Slack, to-dos, and macOS Stickies, wired together and tuned daily.

Off the clock

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