Geert van der Cruijsen

Geert has a passion for technology and gadgets and that’s why he started building mobile apps several years ago. Meet Geert van der Cruijsen, trainer at Xebia Academy. Geert is a Microsoft trainer and trains on behalf of Xebia courses like Native Mobile Apps with Xamarin Across All Platforms.

In his career spanning over 10 years in IT Geert has worked as a consultant and technical architect on several large business apps and projects with clients like Nokia, KPN & Heineken.

Next, to his expertise in Mobile application development, Geert also has a lot of experience in ALM regarding Mobile application development, standardizing and streamlining the development of apps for enterprises. 

Geert is also an active user, speaker, and blogger in the Microsoft community. He has spoken at events like Microsoft Techdays and local meetups such as .NET Mobile Developers group. Geert writes and speaks about everything related to mobile technology and his interests both professional and personal. 

In his spare time, Geert likes to build apps for the Windows platform such as Game Streams, the most downloaded and best rated Twitch client for the Windows platform. When Geert is not sitting behind his laptop Geert likes to travel the world with his wife Patty and daughter Lauren, cook food from the places he has visited and taste different beers to increase his Untappd score. 
Geert is also an active user, speaker, and blogger in the Microsoft community. He has spoken at events like Microsoft Techdays and local meetups such as .NET Mobile Developers group. Geert writes and speaks about everything related to mobile technology and his interests both professional and personal. 

In his spare time, Geert likes to build apps for the Windows platform such as Game Streams, the most downloaded and best rated Twitch client for the Windows platform. When Geert is not sitting behind his laptop Geert likes to travel the world with his wife Patty and daughter Lauren, cook food from the places he has visited and taste different beers to increase his Untappd score. 

Upcoming courses

Professional Scrum Master 1 (PSM 1)

Learn all the skills you need to become a Professional Scrum Master. Get your Scrum.org PSM 1 certificate now!

Sander Dur

Scrum.org
2 days
In Person

Next:

15 – 16 Dec, 2025

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€1595

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Certified Leading SAFe

Learn how to apply Agile on a larger scale with Certified Leading SAFe training. Align structure, strategy, and teams to deliver exceptional products.

Jarl Meijer 

Agile Scaling
SAFe
2 days
In Person

Next:

15 – 16 Dec, 2025

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€1395

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Certified Scrum Product Owner (CSPO)

Become a Certified Scrum Product Owner (CSPO) for optimal product delivery. Learn the skills and tools you need to excel in this pivotal role.

Gino Shahidi

Product Owner
Scrum Alliance
2 days
In Person

Next:

15 – 16 Dec, 2025

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€1595

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Architecting with Google Cloud: Design and Process  

Master Google Cloud design with our hands-on Architecting with Google Cloud training. Enroll now!

Google Cloud Platform (GCP)
2 days
In Person

Next:

15 – 16 Dec, 2025

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€1570

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Architecting with Google Compute Engine 

Ready to master Google Cloud in just 3 days? This training equips you to design, develop, and manage robust Google Cloud infrastructure, setting you up for certification success.

Google Cloud Platform (GCP)
3 days
In Person

Next:

17 Dec, 2025

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€2095

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Trainer expertise

Disciplines

Microsoft

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