Lillian Nguyen

Product designer currently designing 911 and public safety technology at RapidSOS. Jump straight to my work, or get to know more about me and what I do for fun!

Based in the SF Bay Area

Hi! I'm Lillian

Work

Q4 2025 – Q2 2026

Call Quality Assurance with HARMONY AI

Designed an automated 911 call review platform that transcribes emergency calls, scores them against dispatch guidelines, and flags coaching moments for supervisors. Replaced slow manual sampling with 100% call coverage and scaled to handle 50,000+ monthly calls for enterprise partners.

Under Construction

Q2 2024 – Q1 2025

Real-time 911 detection for enterprise security

Led the 0→1 design for RapidSOS Emergency Detection, a system that instantly alerts corporate security teams when 911 calls are made on their property. Designed core features like geofence alerts, AI call classification, and real-time incident grouping. Used by security teams at Fortune 500 companies, and deployed for site security at Super Bowl LX.

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Q2 2021 – Q4 2022

Updating an enterprise email marketing tool

Redesigned Blackbaud’s nonprofit email platform, Luminate Online. Modernized the interface and streamlined email creation workflows, boosting platform adoption by +14% and ease-of-use scores by +33%.

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Enterprise email case study

Other work

In the news — features I've worked on