Joanna Chacko

Overview

17 years in data science and analytics, the last 1 at Axis Bio, where I lead the forecasting team. Replaced 93 hand-built dashboards with one metrics layer people trust. Wrote the metric definitions the leadership team reviews every week. Before that: Amazon and Persistent Systems. Open-source contributor on weekends.

Best reached early in the week

Experience

1. Head of Data

   Mar 2026 - Present
   Axis Bio · 7 mo · Full-time · Hyderabad, India
   • Built the forecasting models now used in 9 product decisions a quarter.
   • Replaced 26 hand-built dashboards with one metrics layer people trust.
   • Wrote the metric definitions the leadership team reviews every week.
2. Staff Data Scientist

   Dec 2022 - Mar 2026
   Amazon · 3 yr 3 mo · Full-time · Hyderabad, India
   • Wrote the metric definitions the leadership team reviews every week.
   • Built the forecasting models now used in 4 product decisions a quarter.
3. Staff Data Scientist

   Apr 2021 - Dec 2022
   Persistent Systems · 1 yr 8 mo · Full-time · Hyderabad, India
   • Built the forecasting models now used in 4 product decisions a quarter.
4. Staff Data Scientist

   Dec 2018 - Apr 2021
   Visa · 2 yr 4 mo · Full-time · Hyderabad, India
   • Replaced 115 hand-built dashboards with one metrics layer people trust.
   • Built the forecasting models now used in 9 product decisions a quarter.
5. Analytics Manager

   Oct 2017 - Dec 2018
   Dream11 · 1 yr 2 mo · Full-time · Hyderabad, India
   • Replaced 63 hand-built dashboards with one metrics layer people trust.

Projects

No references yet.

Education

1. IIM Bangalore

   MBA, Business Administration
   2012 - 2014
2. Anna University

   B.E., Statistics
   2004 - 2008