Ben Henry
SDirector of Data Science at Millbrook Health · Fraud detection · rules engines, Python
- Millbrook Health
- San Francisco, CA · PT (UTC-8)
- 18+ years experience
- USC
- English
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Overview
I lead fraud detection at Millbrook Health in San Francisco. Taught SQL to 68 non-analysts. Cut false positives on payment blocks by 26%. Most at home with SQL and anomaly detection. Into vintage synthesizers.
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Skills
graph analyticsrules enginesanomaly detectionLightGBMSQLPython
Experience
- Director of Data ScienceJul 2022 - PresentMillbrook Health · 4 yr 3 mo · Full-time · San Francisco, CA
- Caught $8 million of fraud in the first year of the new models.
- Built the trust & safety models now used in 12 product decisions a quarter.
- Replaced 25 hand-built dashboards with one metrics layer people trust.
- Analytics ManagerJun 2018 - Apr 2022Starbucks · 3 yr 10 mo · Full-time · San Francisco, CA
- Caught $3 million of fraud in the first year of the new models.
- Built the trust & safety models now used in 9 product decisions a quarter.
- Data AnalystJul 2015 - Jun 2018Google · 2 yr 11 mo · Full-time · San Francisco, CA
- Cut false positives on payment blocks by 37%.
- Replaced 84 hand-built dashboards with one metrics layer people trust.
- Senior Data ScientistSep 2011 - Jul 2015Kaiser Permanente · 3 yr 10 mo · Full-time · San Francisco, CA
- Wrote the metric definitions the leadership team reviews every week.
- Data AnalystFeb 2009 - Sep 2011Bain & Company · 2 yr 7 mo · Full-time · San Francisco, CA
- Wrote the metric definitions the leadership team reviews every week.
- Caught $8 million of fraud in the first year of the new models.
Projects
Side project: a habit tracker
2025Built with rules engines and Python. 3218 people used it last year.
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Education
- USCBS, Economics2001 - 2005
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