Heather Zimmerman

Overview

10 years in data science and analytics, the last 1 at Shopify, where I work on the forecasting team. Reduced stock-outs by 17% in the first season. Before that: Goldman Sachs and Instacart. Swimming before work keeps me sane.

Fastest replies in the morning

Experience

1. Staff Data Scientist

   Apr 2026 - Present
   Shopify · 6 mo · Full-time · Salt Lake City, UT
   • Cut forecast error from 21% to 12% across 3307 SKUs.
   • Reduced stock-outs by 17% in the first season.
   • Replaced 116 hand-built dashboards with one metrics layer people trust.
2. Analytics Manager

   Sep 2024 - Apr 2026
   Goldman Sachs · 1 yr 7 mo · Full-time · Salt Lake City, UT
   • Replaced 27 hand-built dashboards with one metrics layer people trust.
   • Built the forecasting models now used in 11 product decisions a quarter.
3. Data Analyst

   May 2023 - Sep 2024
   Instacart · 1 yr 4 mo · Full-time · Salt Lake City, UT
   • Taught SQL to 135 non-analysts.
4. Senior Data Scientist

   Dec 2020 - May 2023
   MongoDB · 2 yr 5 mo · Full-time · Salt Lake City, UT
   • Wrote the metric definitions the leadership team reviews every week.
   • Built the forecasting models now used in 5 product decisions a quarter.
5. Data Analyst

   Apr 2019 - Dec 2020
   Johnson & Johnson · 1 yr 8 mo · Full-time · Salt Lake City, UT
   • Replaced 63 hand-built dashboards with one metrics layer people trust.

Projects

No references yet.

Education

1. UT Austin

   BS, Computer Science
   2012 - 2016