Sander De Groot
Managing Director at Sanoma Learning
Haarlem, North Holland, Netherlands
Summary
👤
Senior🎓
Top SchoolSander De Groot is a results-driven managing director with 25+ years of experience transforming traditional publishing businesses into digital workflow and data-driven services across Europe. He has led large teams and P&Ls at organizations like Sanoma, Reed Business Information and Sdu, delivering sustained revenue growth in data services, analytics and software while steering complex divestments and international alignment. Comfortable at the intersection of content, technology and commercial strategy, he combines a clear end-state vision with hands-on change management and talent development. An active contributor to open source (notably UI and UX fixes in the popular RuneLite OSRS client), he brings an uncommon blend of product empathy and technical curiosity to executive leadership. Based in Haarlem, he thrives on complexity and international challenges, turning legacy portfolios into scalable online businesses.
8 years of coding experience
9 years of employment as a software developer
VWO, VWO at MendelcollegeRELX Senior Management Program, RELX Senior Management Program at Babson CollegeRBI Senior Management Leergang, RBI Senior Management Leergang at Nyenrode Business UniversityNIMA C, Marketing Management, NIMA C, Marketing Management at NIMA C, SRMBachelor, Marketing Management, Bachelor, Marketing Management at Hogeschool van Amsterdam
English, French, German, Dutch
Stackoverflow
1reputation
0reached
0answers
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Github Skills (8)
javas10
rune10
java10
user-interface9
testing7
apidoc5
api5
javascript4
Programming languages (8)
Github contributions (5)
runelite/runelite
Jun 2019 - Feb 2020
Open source Old School RuneScape client
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:6 commits, 6 PRs, 25 comments in 8 months
Contributions summary:Sander contributed to the Runelite client by addressing issues related to user interface elements, fixing typos, and expanding the functionality of the application. This involved modifications to the interface styles, menu entry swapping, and chat command features. They also fixed a bug related to the chat filter by addressing the handling of messages containing nbsp. The user demonstrated proficiency in enhancing the user experience and resolving identified issues within the Runelite project.
old-schooldotnetrunescapeosrsold-school-runescape
sadegr/runelite
Jun 2019 - Feb 2020
Open source Old School RuneScape client
Contributions:14 pushes, 13 branches in 8 months
old-schoolrunescape-clientold-school-runescaperunescape
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