Holger A.-Senior Data Science Consultant
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Experience
Head of Product
DataCraft
Data Science Consultant & Author
databraineo
Data Scientist
Schön Klinik
Freelancer
Business Statistics Lounge
- statistical consulting and programming
Cofounder
Snyga GmbH
Team Manager Corporate Category Management Strategy & Development
OBI Group Holding GmbH
- Strategic category management projects
Associate in Retail Practice
Oliver Wyman
- data-driven management consulting
Postdoc "Complex Surveys"
Otto-Friedrich-Universität Bamberg
Statistical Consultant
Statistisches Bundesamt, Destatis
- Missing data in longitudinal studies
Research Assistant Mathematics
Philipps-Universität Marburg
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Professional Services, Information Technology, Healthcare, Education, Retail, and Government and Administration.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Business Intelligence, Research and Development, Strategy, Product Development, Information Technology, and Project Management.
Summary
I love combining challenging analyses with creating intuitive visualizations that truly make an impact.
Skills
- Statistics
- Management Consulting
- R
Languages
Education
Harvard University
Statistics · Cambridge, United States
Philipps-Universität Marburg
PhD, Mathematics · Mathematics · Marburg, Germany
Linköping University
Mathematics, Computer Science · Linköping, Sweden
Statistics
Experience
Global experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Holger is based in Vrouwenpolder, Netherlands and prefers 100% remote projects.
Holger speaks the following languages: German (Native), English (Advanced), Dutch (Intermediate).
Holger has at least 20 years of experience. During this time, Holger has worked in at least 10 different roles and for 10 different companies. The average length of individual experience is 2 years. Note that Holger may not have shared all experience and actually has more experience.
Based on recent experience, Holger would be well-suited for roles such as: Head of Product, Data Science Consultant & Author, Data Scientist.
Holger's most recent position is Head of Product at DataCraft.
In recent years, Holger has worked for DataCraft and databraineo.
Holger is most experienced in industries like Professional Services, Information Technology, and Healthcare. Holger also has some experience in Education, Retail, and Government and Administration.
Holger is most experienced in business areas like Business Intelligence, Research and Development, and Strategy. Holger also has some experience in Product Development, Information Technology, and Project Management.
Holger has recently worked in industries like Information Technology and Professional Services.
Holger has recently worked in business areas like Business Intelligence, Research and Development, and Product Development.
Holger holds a Doctorate in Mathematics from Philipps-Universität Marburg, a Doctorate in Computer Science from Rheinische Friedrich-Wilhelms-Universität Bonn and a Bachelor in Mathematics, Computer Science from Linköping University.
The availability of Holger needs to be confirmed.
Daily rate distribution
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 18 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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