Built RetentionOS, a lightweight churn intelligence dashboard designed for SaaS teams. ✨ Key highlights: Segmented users by churn risk (High/Medium/Low) using RFM & behavioral data. Used GPT-4 + LangChain to auto-generate personalized retention nudges. Estimated revenue at risk & potential uplift from reactivation campaigns. Designed for plug-and-play adoption → no data scientist required. Impact: Helped teams predict churn before it happened, recover lost revenue, and drive measurable retention growth.