Beatriz Julia Jimenez

S

Staff Data Scientist at Hollow Bio · Marketing analytics

Hollow Bio
Barcelona, Spain · CET (UTC+1)
13+ years experience
University of Amsterdam
English, Spanish
Messaging unavailable

Overview

Staff Data Scientist at Hollow Bio, focused on marketing analytics. Taught SQL to 63 non-analysts. Most at home with attribution and incrementality. I mentor first-time managers when I can.

Good reasons to reach out
  • Working sessions on Looker
  • Thoughtful intros to people in my field
Please don't message about
  • Survey or panel invitations
  • Courses and coaching offers
  • Offshore staffing offers

Best reached early in the week

Skills
marketing mix modellingLookerincrementalitySQLattribution

Experience

  1. Staff Data Scientist
    Aug 2022 - Present
    Hollow Bio · 4 yr 2 mo · Full-time · Barcelona, Spain
    • Wrote the metric definitions the leadership team reviews every week.
    • Replaced 33 hand-built dashboards with one metrics layer people trust.
    • Taught SQL to 185 non-analysts.
  2. Data Scientist
    Jul 2019 - Aug 2022
    Nestlé · 3 yr 1 mo · Full-time · Barcelona, Spain
    • Taught SQL to 49 non-analysts.
  3. Data Analyst
    Oct 2017 - Jul 2019
    L'Oréal · 1 yr 9 mo · Full-time · Barcelona, Spain
    • Replaced 83 hand-built dashboards with one metrics layer people trust.
  4. Data Analyst
    Dec 2015 - Jul 2017
    N26 · 1 yr 7 mo · Full-time · Barcelona, Spain
    • Wrote the metric definitions the leadership team reviews every week.
    • Replaced 34 hand-built dashboards with one metrics layer people trust.
  5. Data Analyst
    Oct 2013 - Oct 2015
    Accenture · 2 yr · Full-time · Barcelona, Spain
    • Wrote the metric definitions the leadership team reviews every week.

Projects

Open-source marketing mix modelling toolkit
2026

A small library for marketing analytics that 169 developers star on GitHub.

Conference talk: lessons from marketing science
2022

What went wrong and what worked while scaling marketing analytics.

References

No references yet.

Education

  1. University of Amsterdam
    BSc, Statistics
    2009 - 2012

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