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Ramin Madarshahian

Ramin Madarshahian

Staff Data Scientist

About the Author

About the Author

Ramin Madarshahian is a Staff Data Scientist at Equifax, where he specializes in fraud detection and identity analytics. With a PhD in Structural Engineering and a postdoctoral fellowship at UC San Diego — both focused on Bayesian inference and machine learning — he brings a rigorous statistical foundation to applied data science. Ramin has developed patented fraud models including a CNP Fraud Score and a Precursor Model for chargeback detection, and has authored over 20 peer-reviewed publications with 300+ citations. His work spans PySpark-based data pipelines, deep learning, and probabilistic modeling across cloud platforms including AWS and GCP. At the core of it all, he believes that the best models aren't just technically sound — they're built to protect real people from real harm.

Recent Articles by this Author

Recent Articles

Identity & Fraud Precision & Recall: When Conventional Fraud Metrics Fall Short

Learn why conventional fraud metrics fall short with imbalanced data. Discover how precision and recall help optimize your fraud detection s [...]

July 07, 2026
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