Naomi Foster

S

Head of Data at Relay Grid · Python, LightGBM

Relay Grid
New York, NY · ET (UTC-5)
10+ years experience
Penn State
English
Hiring
Messaging unavailable

Overview

I lead fraud detection at Relay Grid in New York. Replaced 22 hand-built dashboards with one metrics layer people trust. Built the trust & safety models now used in 9 product decisions a quarter. Kannada theatre fan.

Good reasons to reach out
  • Candidates for the role I'm hiring for
  • Working sessions on anomaly detection
Please don't message about
  • Data broker offers
  • SEO and link-building offers

Travels often; replies within 48 hours

Skills
PythonLightGBManomaly detectionSQL
HiringHiring for a role
closes in 3 months

Hiring a staff data scientist for the trust & safety team - New York or remote

Role
Staff data scientist
Level
Staff / Principal
Type
Full-time
Work mode
Remote
Compensation
$159k-$190k + equity
Team
Trust & safety, 16 people
Start
Within two months
Must have
Strong SQL and statistics Turns analysis into decisions Ownership of something end to end
Process
Intro call, technical deep dive, team chat

Comp $171k-$316k. Three interviews over a week. Message me with one thing you shipped that you're proud of.

New York, NY · remote OKpythonanomaly detectionsql
Open

Experience

  1. Head of Data
    Jun 2025 - Present
    Relay Grid · 1 yr 4 mo · Full-time · New York, NY
    • Caught $6 million of fraud in the first year of the new models.
    • Taught SQL to 174 non-analysts.
    • Cut false positives on payment blocks by 49%.
  2. Analytics Manager
    Oct 2021 - Jun 2025
    Spotify · 3 yr 8 mo · Full-time · New York, NY
    • Cut false positives on payment blocks by 40%.
    • Taught SQL to 151 non-analysts.
  3. Senior Data Scientist
    Feb 2020 - Jun 2021
    Walmart · 1 yr 4 mo · Full-time · New York, NY
    • Wrote the metric definitions the leadership team reviews every week.
  4. Data Analyst
    Jan 2018 - Feb 2020
    Citi · 2 yr 1 mo · Full-time · New York, NY
    • Caught $8 million of fraud in the first year of the new models.
  5. Data Analyst
    Oct 2016 - Jan 2018
    Lockheed Martin · 1 yr 3 mo · Full-time · New York, NY
    • Replaced 90 hand-built dashboards with one metrics layer people trust.

Projects

Side project: a recipe search engine
2022

Built with SQL and anomaly detection. 3727 people used it last year.

References

No references yet.

Education

  1. Penn State
    BS, Physics
    2011 - 2015

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