About me

Having a background in data science and IT, as well as in business research, has enabled me to develop an expansive set of skills. It provides an ideal foundation for solving complex real-world problems and approaching them from several angles to find the best solution. I am a creative and curious team player and highly motivated by multi-faceted work, comprising of software engineering, statistics, and good communication.

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Data Consultant at Navara

04/2023 – present
Consulting on data science projects.

Data Scientist & Software Engineer at SDU (via Sogeti)

02/2022 – 01/2023
Worked with Python, Flask, Pandas, Docker, Transformers, formal grammars, and more on improving the search functionality in SDU products.

Data Scientist at Sogeti

01/2022 – 01/2023
Worked with Python, Pandas, and Tensorflow/Keras on measuring brain waves.

App Developer

07/2021 – 01/2022
Worked with XCode, Swift, Python on an iOS-native application with real-time machine learning.

Doctoral Researcher

09/2017 – 11/2021
Worked with R, Stata, Stan and Bayesian Inference, GIS, and PostgreSQL on several research projects investigating product orders and product returns in online retailing.


MSc Research Master in Economics and Business | Cum laude

Master thesis: “Sometimes happiness is right in front of you: Travelling distance influencing consumers’ online purchases and product returns”

BSc Industrial Engineering and Management

Bachelor thesis: “Do Exhortations to Better Nutrition Work in TV-spots? – The case of «mangerbouger.fr»”


Parsing User Queries using Context Free Grammars. Kees van Noortwijk, Christian F. Hirche. ECIR 2023 workshop proceedings (2023).
When Offline Stores Reduce Online Returns. Christian F. Hirche, Maarten Gijsenberg, Tammo Bijmolt. Sustainability (2022).
Challenges at the marketing–operations interface in omni-channel retail environments. Tammo H.A. Bijmolt, Manda Broekhuis, Sander de Leeuw, Christian F. Hirche, Robert P. Rooderkerk, Rui Sousa, Stuart X. Zhu. Journal of Business Research (2021).
Asking Less, Getting More? The Influence of Fixed-Fee and Threshold-Based Free Shipping on Online Orders and Returns. Christian F. Hirche, Maarten Gijsenberg, Tammo Bijmolt. SOM Research Reports (2021).
Promoting Product Returns: Effects of Price Reductions on Customer Return Behavior. Christian F. Hirche, Maarten Gijsenberg, Tammo Bijmolt. SOM Research Reports (2021).


News coverage

Dutch newspapers writing about the PhD research projects