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Case Studies

The PREPARE resource review screen: AI-recommended resources by category, with checkboxes for a person to confirm.
Engineering · Agentic RAG · Govtech · 2025

PREPARE

Parole support letters that took 3+ hours now take under 30 minutes, for Maryland's reentry case managers.

A scientist on a dock checking a site plan during a field inspection.
Product · Govtech · Permitting · 2026

Infilla

A week of ride-alongs with inspectors became the groundwork for Infilla's first mobile app.

Pingo App Store screenshot: every saved place on one map.
Engineering · Consumer iOS · LLM pipeline · 2026

Pingo

An iOS app that turns social posts into map pins for a fraction of a cent each. Built solo.

Sean Pak beside the research board at Intel ISEF.
Engineering · Machine learning research · 2018–19

AI Surveillance with Radar Systems

A neural network that locates aircraft from passive radar to within ±1 m in simulation.

Flow diagram: patient scan into Model A for nodule detection, then nodules into Model B for benign or malignant classification.
Engineering · Medical imaging · Independent research

AI Cancer Detection and Classification

A two-stage CNN that finds lung nodules in CT scans (93.8%) and classifies them (75.5%).

The EdDen team sitting together on a step after winning Hopstart, holding the trophy.
Design · EdTech · 0→1 · 2023–24

EdDen

Co-founded an AI lesson planner that cut planning time 75% in five schools, then shut it down.

splitEV driver map showing nearby available chargers.
Design · Mobile & web · EV charging · 2024–25

splitEV

Turned isolated screens into one coherent app for a Series A EV-charging startup.

Affinity diagram in Figma with raw contextual-inquiry data on the left and themed clusters on the right.
Design · Student tooling · Johns Hopkins · 2022–23

uCredit

Ten design projects in one quarter, led by a team I hired, for JHU's degree-planning app.

Product · User research · Higher ed · 0→1

Teaching Tools

A one-month, $100 research sprint that ended in four student personas and eight must-have experiences.

Product · Youth literacy nonprofit · 2022–23

Novelly

Doubled users in eight months by removing the sign-up wall and going mobile-first, on a $12K budget.