Sem deGroot

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Data Scientist at Fable Ops · incrementality, marketing mix modelling

Fable Ops
Amsterdam, Netherlands · CET (UTC+1)
5+ years experience
Humboldt University of Berlin
English, Dutch, German
Open to work
Messaging unavailable

Overview

I work on marketing analytics at Fable Ops in Amsterdam. Taught SQL to 76 non-analysts. Before that: Supercell and Just Eat Takeaway. Most at home with marketing mix modelling and A/B testing. I coach a junior basketball team.

Good reasons to reach out
  • Roles in marketing analytics
  • Questions about marketing analytics
  • Working sessions on Looker
  • Speaking or podcast invitations
Please don't message about
  • Unpaid work or spec projects
  • Generic networking requests
Skills
LookerSQLmarketing mix modellingA/B testingincrementalityattribution
Open to workLooking for a role
closes in 3 months

Lead Data Scientist roles in consumer apps - Amsterdam or remote

Target roles
Lead Data Scientist
Level
Senior
Industries
E-commerce, Fintech
Work mode
Remote
Available
Immediately
Work authorization
Authorized to work in Netherlands
What I'm looking for
A team that ships weekly and owns marketing science end to end.
Not interested in
Pure people management

5 years in marketing analytics. Strongest at incrementality and SQL. Available immediately.

Amsterdam, Netherlands · remote OKmarketing mix modellingattributionincrementality
Open

Experience

  1. Data Scientist
    Mar 2025 - Present
    Fable Ops · 1 yr 7 mo · Full-time · Amsterdam, Netherlands
    • Replaced 96 hand-built dashboards with one metrics layer people trust.
    • Taught SQL to 149 non-analysts.
    • Wrote the metric definitions the leadership team reviews every week.
  2. Data Analyst
    Jan 2023 - Mar 2025
    Supercell · 2 yr 2 mo · Full-time · Amsterdam, Netherlands
    • Taught SQL to 188 non-analysts.
    • Wrote the metric definitions the leadership team reviews every week.
  3. Data Analyst
    Oct 2021 - Jan 2023
    Just Eat Takeaway · 1 yr 3 mo · Full-time · Amsterdam, Netherlands
    • Taught SQL to 69 non-analysts.

References

No references yet.

Education

  1. Humboldt University of Berlin
    BA, Operations Research
    2017 - 2020

Details

Compensation expectations
What they are targeting for their next role.
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Direct contact details
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