Hi, I'm Helen
I'm a Product Manager at Coinbase, building and growing 0→1 products across consumer and B2B. I enjoy distilling complex problems into simple, delightful, and easy to use experiences.
NYU Finance & Data Science grad. NYC based 🗽 and Seoul 🇰🇷 native. Chronically documenting my life on Portra 400. Reach me at helenhnshim@gmail.com or find me on LinkedIn and X.
Writing
ChatGPT Plus: From upgrade to habit
What my first Codex session revealed about premium activation — and what I'd change about the subscriber journey
The flywheel Anthropic hasn't designed for
A teardown of Claude's enterprise adoption gap — why non-technical workers stall before their first win, and what I'd build to close it
Building faster than design cycles: 1-tap trade
Prototyped a 1-click trading experience to validate user behavior in days, replacing specs with working builds and reshaping how I build AI products





