June 2026
Shipping a self-hosted changelog widget under 5KB
Open-sourced a self-hosted changelog widget that does what Beamer and Headway do, minus the monthly bill. A single script tag embeds a 4KB widget in any web app, paired with a private React admin dashboard for publishing product updates. Runs entirely on your own infrastructure with SQLite and Docker.
Read case study →May 2025
Building a safe RAG health assistant for 537M diabetes patients
Proved that safety architecture can be designed into a health AI product from day one. The four-layer system (emergency keyword fast-path, system prompt scope constraints, source transparency, and hallucination prevention through structured citation parsing) handles real diabetes queries with source-backed answers and no unsafe responses in testing.
Read case study →April 2025
Using cultural relevance to beat fitness app onboarding benchmarks by 25pp
Validated that cultural relevance drives activation: 65% onboarding completion versus 35–40% industry benchmarks. Built an AI fitness coach where the onboarding flow makes culture selection the first product interaction, not a buried preference.
Read case study →Koreshield•Product Manager•Nov 2025 - Present
Shipping an AI firewall that stops prompt injection under 50ms
Defined the product and go-to-market for real-time prompt injection detection that sits between enterprise applications and their LLM providers with under 50ms overhead.
Read case study →Nsisong Labs•Product Manager•Jan 2023 - Nov 2025
Shipping HIPAA-aligned patient workflows without slowing releases
Delivered cross-functional alignment between clinical, payments, and product teams, moving from broad scope drops to staged, measurable delivery in a regulated healthcare and fintech environment.
Read case study →NestlyPay•Associate Product Manager•Jan 2022 - Dec 2022
Cutting invoice-to-payment cycles for SMEs at NestlyPay
Shipped higher-utility billing workflows that reduced payment friction for growing SME merchants and improved platform retention signals.
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