Joyce Zhou

Product work

Projects

Product, shipped · charitybibs.com · September 2026

CharityBibs: every NYC Marathon charity bib, compared

A charity bib is a $3,000 to $10,000 pledge, and the things that decide whether you'll make it are not published where you choose. I wrote three PRDs in two days, killed two with a pre-registered criterion, then built a site that reads all 655 official charities' pages, quotes them, and turns three questions into a shortlist. 20,000 pageviews in its first 16 days.

charitybibs.com: three answered questions and a shortlist of cancer charities with minimums and what each gives you

PM case study · September 2026

Roblox Studio, the first hour

Can a first-time creator get from a blank Baseplate to a game a friend plays, in one sitting? A timed friction log with screenshots, 33 coded DevForum threads and a competitive teardown, leading to a PRD, mockups and an experiment plan for a publish flow that ends with a link a friend can open.

The friction log: details block and the first eight timed rows

TreeHacks 2024, Stanford · Product lead

NoWaste.ai

An AI food-safety tool shipped two ways: a lightweight iOS app, and a Raspberry Pi kiosk for communities where a smartphone is not a given. On a team of four I owned product strategy, split the work, and pitched to the judges. Best Use of an API, Postman.

Swift mockup of the NoWaste mobile app

Break Through Tech AI Studio with Accenture · Sep to Dec 2024

AI news-summarization dashboard

Led a team of five delivering an AI news-summarization dashboard to client-side stakeholders across tech, finance and healthcare, translating raw NLP model output into trend insights.