Minjoo Mia Sung
Senior Risk Analyst | Fraud Detection & Prevention | SQL · BigQuery · Looker | Data Analytics
- Role
- Senior Risk Analyst at Monzo
- Location
- San Francisco, CA, US
- LinkedIn followers
- 500 followers
About Minjoo Mia Sung
I catch fraud before it costs millions. 5+ years across global banks and fintech — from hands-on KYC/AML investigations to building the detection rules and analytics frameworks that make fraud prevention scalable. I\'ve worked both sides: the operational reality of financial crime and the data analysis that drives smarter decisions. Currently building fraud analytics and risk reporting infrastructure at Monzo US. Previously owned end-to-end fraud detection at a crypto exchange, significantly reducing false positives while strengthening detection coverage. I believe the best fraud analysts don\'t just react — they design systems that make abuse harder from day one.
Experience
Senior Risk Analyst
Feb 2026 — Present · San Francisco, CA, US
Driving fraud and risk analytics for Monzo\'s US expansion — building fraud loss metrics, chargeback analytics, and board-level risk reporting using BigQuery- Partnering cross-functionally with UK counterparts to align global fraud methodology while adapting to US regulatory requirements (Reg E, BSA/AML).
Education
USC Marshall School of Business
Master of Science - MS, Business Analytics
University of California, Berkeley
Bachelor of Arts - BA, Economics
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