Isabella Powell

S

Head of Data, Relay Care - graph analytics · LightGBM · anomaly detection

Relay Care
Glasgow, UK · GMT (UTC+0)
10+ years experience
University College Dublin
English
Hiring
Messaging unavailable

Overview

Based in Glasgow. I lead fraud detection at Relay Care. Cut false positives on payment blocks by 46%. Gardening and composting evangelist.

Good reasons to reach out
  • Candidates for the role I'm hiring for
  • Speaking or podcast invitations
  • Second opinions on anomaly detection decisions
  • Questions about fraud detection
Please don't message about
  • Unpaid work or spec projects
  • Crypto token projects

Checks messages twice a week

Skills
Pythonrules enginesNLPanomaly detectionLightGBMgraph analytics
HiringHiring for a role
closes in 3 months

7 analytics engineer roles open on the trust & safety team in Glasgow

Role
Analytics engineer
Level
Senior
Type
Full-time
Work mode
Hybrid
Compensation
$189k-$235k + equity
Team
Trust & safety, 14 people
Start
Within two months
Must have
Production experience with graph analytics Production experience with rules engines Good judgment about what not to build
Process
Intro call, technical deep dive, team chat

Comp £103k-£143k. We decide within ten days. Message me with one thing you shipped that you're proud of.

Glasgow, UKrules engineslightgbmgraph analytics
Open

Experience

  1. Head of Data
    May 2026 - Present
    Relay Care · 5 mo · Contract · Glasgow, UK
    • Wrote the metric definitions the leadership team reviews every week.
    • Built the trust & safety models now used in 8 product decisions a quarter.
  2. Director of Data Science
    Dec 2023 - May 2026
    Boston Consulting Group · 2 yr 5 mo · Full-time · Glasgow, UK
    • Cut false positives on payment blocks by 21%.
    • Replaced 27 hand-built dashboards with one metrics layer people trust.
  3. Data Analyst
    May 2022 - Dec 2023
    Google · 1 yr 7 mo · Full-time · Glasgow, UK
    • Wrote the metric definitions the leadership team reviews every week.
  4. Analytics Manager
    Dec 2018 - May 2022
    Goldman Sachs · 3 yr 5 mo · Contract · Glasgow, UK
    • Wrote the metric definitions the leadership team reviews every week.
  5. Senior Data Scientist
    Oct 2016 - Dec 2018
    ASOS · 2 yr 2 mo · Full-time · Glasgow, UK
    • Replaced 58 hand-built dashboards with one metrics layer people trust.

References

No references yet.

Education

  1. University College Dublin
    BSc, Mathematics
    2003 - 2006

Details

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