Darryl Ha is a Senior Data Analyst at Block since November 2022, with a strong background in data science and analysis. Previously, Darryl served as Lead Business Data Scientist at NextRoll from May 2017 to October 2022, where significant achievements included implementing an activity-based compensation system that reduced churn by 15 percentage points and developing a Customer Health Score with machine learning techniques, successfully predicting customer churn with an 80% ROC AUC. Darryl has also held various roles at Google from May 2015 to May 2017, contributing to revenue analysis and operational efficiency in major programs, receiving a Google Platinum Award for impactful project work. Darryl holds a B.S. in Applied Statistics with Economics and Statistics from the University of California, Davis.
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