Esther Joyce Ho

S

Senior Data Scientist at Sprout Security · rules engines, Python

Sprout Security
Boston, MA · ET (UTC-5)
7+ years experience
Stanford University
English
Messaging unavailable

Overview

Based in Boston. I work on fraud detection at Sprout Security. Replaced 31 hand-built dashboards with one metrics layer people trust. Cut false positives on payment blocks by 32%. Most at home with anomaly detection and LightGBM.

Good reasons to reach out
  • Working sessions on Python
  • Second opinions on LightGBM decisions
Please don't message about
  • Agency or outsourcing pitches
  • Generic networking requests
  • Survey or panel invitations

Checks messages twice a week

Skills
anomaly detectionLightGBMPythonrules enginesSQLgraph analytics

Experience

  1. Senior Data Scientist
    Jul 2022 - Present
    Sprout Security · 4 yr 3 mo · Full-time · Boston, MA
    • Replaced 51 hand-built dashboards with one metrics layer people trust.
    • Taught SQL to 37 non-analysts.
    • Built the trust & safety models now used in 9 product decisions a quarter.
  2. Data Scientist
    Oct 2019 - Jul 2022
    Stripe · 2 yr 9 mo · Full-time · Boston, MA
    • Wrote the metric definitions the leadership team reviews every week.

References

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Education

  1. Stanford University
    BS, Statistics
    2015 - 2019

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