Park Sanguk · Founder at Folio Labs · Seoul, South Korea

I build products because I want them to exist — not because I enjoy coding. Coding is how I get there.

I've spent years running my own life like a product — living deep in GTD, Things 3, Tana, and Readwise until I hit the ceiling of what off-the-shelf systems could do for me. So I built my own: OTD — Orchestrating Things Done, an open-source framework for people who run multiple streams of work in parallel and delegate as much as they do themselves.

That obsession with personal tooling is also how I work professionally: as a generalist who takes ideas from insight to interface to shipped product.

I'm the founder of Folio Labs, where I'm building Tessera — a knowledge resurfacing product built on a simple premise: the hard part isn't saving what you know, it's having it come back when it matters. At my day job I work on an Android-based AR glass application. On my own time I ship small independent apps to a global audience.

I'm happiest when there's a blank file open and an idea worth chasing.

• I build the systems I use. Six years on GTD taught me where it breaks. OTD is what came next. I treat my own workflow as a product under continuous iteration.
• Orchestration over execution. I run multiple streams in parallel — a startup, a day job, personal projects — by designing the handoffs, not hustling through the list. Delegation to people and to AI is a first-class part of the system.
• Generalist engineering. Mobile, web, design, a bit of everything. Breadth is the point — it's how you ship alone.
• Ship globally from day one. The Korean market is not the ceiling.

• Soongsil University, School of Software (on academic leave)
• Korea Digital Media High School, Hacking Defense

• 🌐 mochaive.com — portfolio & index
• ✍️ blog.mochaive.com — writing on products, tools, and building alone
• 📮 cafemocha.dev@gmail.com