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 Agile Leadership – Evidence-Based Management (PAL-EBM)

Become a Professional Agile Leader with Evidence-Based Management (EBM) specialization. Optimize product value, business results, and resource utilization.

Evelien Acun-Roos

Agile
Agile Leadership
1 day
In Person

Next:

25 Mar, 2025

From:

€875

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Organizational Behavior Management (OBM) Foundation™

Unlock your team’s potential with our Organizational Behavior Management (OBM) Foundation training. Read more!

Evelyn van Kelle

Agile Leadership
Product Leader
3 days
In Person

Next:

26 Mar, 2025

From:

€1925

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Data Science with Python (Certified)

Dive into the world of data science through data analysis and machine learning. Sign up for Data Science with Python (Certified).

Enrico Erler

Data Science
Python
3 days
In Person

Next:

26 Mar, 2025

From:

€2140

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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!

Sjoerd Nijland

Scrum.org
2 days
In Person

Next:

27 – 28 Mar, 2025

From:

€1595

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Certified Site Reliability Engineering (SRE) – Fundamentals

Boost system reliability with our Site Reliability Engineering (SRE Fundamentals training course. Read more!

SRE
2 days
In Person

Next:

27 – 28 Mar, 2025

From:

€1465

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