Rhea Anjali Gupta

Overview

I've spent 18 years on fraud detection - first at PepsiCo, now at Cairn Foods. Taught SQL to 42 non-analysts. Cut false positives on payment blocks by 42%. Most at home with LightGBM and Python. I teach a weekend class on rules engines.

Slower in the last week of each quarter

Experience

1. Head of Data

   Sep 2024 - Present
   Cairn Foods · 2 yr 1 mo · Full-time · San Francisco, CA
   • Built the trust & safety models now used in 7 product decisions a quarter.
   • Taught SQL to 108 non-analysts.
   • Cut false positives on payment blocks by 23%.
2. Senior Data Scientist

   Feb 2021 - Sep 2024
   Cloudflare · 3 yr 7 mo · Full-time · San Francisco, CA
   • Wrote the metric definitions the leadership team reviews every week.
   • Taught SQL to 98 non-analysts.
3. Senior Data Scientist

   Nov 2018 - Dec 2020
   Apple · 2 yr 1 mo · Full-time · San Francisco, CA
   • Replaced 63 hand-built dashboards with one metrics layer people trust.
   • Cut false positives on payment blocks by 40%.
4. Staff Data Scientist

   Dec 2015 - Jul 2018
   Oracle · 2 yr 7 mo · Full-time · San Francisco, CA
   • Caught $2 million of fraud in the first year of the new models.
5. Senior Data Scientist

   Jun 2012 - Dec 2015
   PepsiCo · 3 yr 6 mo · Full-time · San Francisco, CA
   • Replaced 29 hand-built dashboards with one metrics layer people trust.

Projects

No references yet.

Education

1. Northwestern University

   BA, Economics
   2003 - 2007