Data analyst · Berlin
I turn messy tables into decisions people actually make. Seven years of analytics in energy, mobility and food.
Open to
In analytics
Experience
Senior Data Analyst
Helio Energy · 2023 to now
Forecasting and pricing for a heat pump installer working in six countries.
Current
Data Analyst
Rad Berlin · 2020 to 2023
Demand models and rebalancing for 9,000 shared bikes.
Junior Analyst
Kiste Foods · 2018 to 2020
Retention and menu analytics for a meal-kit startup.
Education
MSc Statistics
Berlin · 2018
Thesis on forecasting with sparse data.
BSc Economics
Hamburg · 2016
Minor in computer science.
Tools
SQL
Python
dbt
BigQuery
Looker
R
Airflow
Excel
Four I can talk about in detail.
Talks and writing
Forecasting with too little data
Data Meetup Berlin · 2025
What to do when you have eight weeks of history and a board meeting on Friday.
Talk
Dashboards nobody opens
Analytics Summit · 2024
Why most dashboards die, and the three I still check every morning.
Talk
Notes on churn
Newsletter · 2024
A short series on measuring churn without fooling yourself.
Writing
Mara Lenz, Head of Operations, Helio Energy
Let’s talk.
Hiring, a freelance question or a talk. Tell me what decision you’re trying to make, and I’ll tell you honestly if I can help.
Roles
Senior or lead analyst, in Berlin or remote in Europe.
Freelance
Short projects of 2 to 6 weeks, one at a time.
Talks
Meetups and company days, in English or German.
Based in
Berlin, CET. I usually reply within a day.