Roel Bertens

Data Science

Meet Roel Bertens, trainer at Xebia Academy. Roel is a data science trainer and trains on behalf of Xebia the Data Science Accelerator.

As a data scientist at Xebia Data Roel is only satisfied when he fully understands something. Applying his knowledge in practice in different domains is what puts a smile on his face.  

He believes that working with people from different backgrounds and with different skills is a necessity for his development, both on a personal and professional level. While he enjoys teaching, he is eager to learn. Also from you! 

Coming from Utrecht University, where he received his PhD in the field of data mining, he knows how important it is to share knowledge. But the contagious enthusiasm of trainees willing to learn is the main reason Roel likes to be a trainer. 

Upcoming courses

Advanced LLMs

This cutting-edge course is your gateway to mastering the latest LLM tools and techniques, optimizing performance, and building sophisticated AI applications.

Enrico Erler

GenAI
LLMs
RAGs
2 days
In Person

Next:

14 – 15 Aug, 2025

From:

€1064

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AI Scrum Master Training

Evelien Acun-Roos

1 day
In Person

Next:

26 Aug, 2025

From:

€775

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Data Visualization with Python

Create data visualizations in Python using several different libraries.

Lysanne van Beek

1 day
Virtual

Next:

1 Sep, 2025

From:

€725

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Polars Essentials

Enrico Erler

1 day
In Person

Next:

22 Sep, 2025

From:

€725

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Data Warehousing and Data Modeling

Build a solid foundation of data warehousing and modeling with this training. You’ll learn everything about data warehouse architectures, formal data modeling, performance tuning and more.

Lucy Sheppard 

Data Engineering
Data Modeling
data warehousing
1 day
In Person

Next:

7 Nov, 2025

From:

€725

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