Francis Segbe
Data Scientist • Statistics • A/B Testing & Causal Inference • GCP Certified • SQL • Python • BigQuery • Looker • Retool for Internal apps
- Role
- Data Scientist at Passportpay
- Location
- San Francisco, CA, US
- LinkedIn followers
- 500 followers
About Francis Segbe
Below is my technical stack and areas of focus. product-analytics …
Experience
Data Scientist
Jan 2025 — Present
Led end-to-end product optimization by instrumenting and analyzing user behavior across onboarding and transaction flows using Mixpanel to identify critical friction points. Leveraged the Activation, Acquisition, Retention, Referral, Revenue framework and effort-impact analysis to prioritize solutions, then designed A/B tests for OneSignal notifications. This validated strategy delivered a 12% increase in CTR, demonstrating both statistical significance and practical business impact over a five-month period.Assessed the causal impact of a $90K ad campaign using Bayesian Structural Time Series (BSTS) modeling. The analysis estimated $150K in incremental transactions, guiding continuation of the initiative. The results influenced a 10% reallocation of marketing spend toward top-performing channels and contributed to sustained improvements in transaction volume and customer retention between April and July 2025.Applied Difference-in-Differences (DiD) to assess feature change impacts, yielding a 10% engagement lift, informing product roadmap with cross-functional stakeholders between May and July 2025.Built Looker and Retool dashboards with Mixpanel data to track retention KPIs and funnels, enabling real-time product decisions and cutting ad hoc reporting by 40%.
Education
University of the Pacific
Masters of Science in Data Science, Computer Science
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