AI • Jul 2026
Why AI Agents Forget by Design
An honest technical explanation of why current AI agents have no persistent memory, what that costs in production, and what better agent memory architectures would actually need to solve.
Stan Tyan
I turn product, growth, and revenue data into decisions teams can actually use.
Data science, product analytics, growth insights and decision intelligence for product-led teams.
Writing
Blog posts
Product Analytics • Mar 2026
Subscription Metrics That Actually Drive Decisions
How subscription metrics - ARR, ARPPU, retention, LTV, CAC, and unit economics - connect into one system, with formulas, worked examples, and the decisions each metric informs.
Machine Learning • Mar 2026
10 Machine Learning Algorithms You'll Actually Use in Production
A practitioner's guide to the 10 machine learning algorithms that handle the majority of real-world tabular, text, and classification problems, with decision criteria and production tradeoffs.
Projects
Selected project work
Data visualization • Jan 2018
My Uber Rides
A project using APIs, spreadsheet transformation, and Tableau to turn personal trip data into an ongoing dashboard.
Research • Jun 2014
Mobile UW-ASN Framework with RSSI-based Protocol for Shallow River Monitoring
A continuation of the underwater monitoring research, focused on distributed sensing, mobile underwater vehicles, and protocol choices suited to constrained environments.
Research • Jul 2013
AUV-RM: Underwater Sensor Network Scheme for AUV Based River Monitoring
A research-oriented project about underwater sensing, acoustic communication constraints, and a protocol stack tailored to river monitoring.