Credit and Fraud model validation
- Lead team of data scientists across US and India to validate credit and fraud risk models leveraged for retail and wholesale portfolios
- Successfully remediate regulatory MRAs by creating new standards e.g., Model interpretability for black box models and Hyperparameter tuning standards
- Lead engagements with US regulators - FRB, OCC
- Review of algorithms like – XGBoost, Neural networks, etc.
Credit risk modeling (US wholesale)
- Led team of data scientists to develop credit risk models for wholesale portfolio for 18 countries across 4 continents (including US)
- First time usage of financial attributes and standardized usage of bureau attributes across markets
Credit risk data science
- Creation of 2nd generation of closed loop features to be used in credit risk models for retail portfolio
Fraud risk strategy
- Creation of strategy rules to disrupt fraudulent money movement transactions for prepaid card