Jim Holsteyn
Projectmanager B2B, Sales Operations & Development
Greater Groningen Area Netherlands
Summary
🤩
Rockstar🎓
Top SchoolJim Holsteyn is a results-driven project manager and operations leader with 10 years’ experience bridging B2B sales operations, product development, and education technology. Currently leading Projectmanagement B2B, Sales Operations & Development at Mediahuis Nederland, he previously scaled operations at edtech startup Mr. Chadd—managing 200 coaches, launching a content division, and spearheading an AI chatbot aligned to the Dutch secondary curriculum. Trained with an MBA from the University of Groningen, Jim combines strategic change-management thinking with hands-on operational execution and product delivery. He is also a longtime back-end contributor and community leader for phpBB, focusing on bug fixes, notification improvements and UX-facing PHP work in a widely used open-source forum project. Known for translating user needs into scalable processes, he blends technical empathy with commercial impact to drive measurable improvements across teams and products.
10 years of coding experience
3 years of employment as a software developer
High School Atheneum Bilingual Education, High School Atheneum Bilingual Education at Van der Capellen SG ZwolleMaster of Business Administration - MBA Change Management, Master of Business Administration - MBA Change Management at University of Groningen
Dutch, English, German
Github Skills (5)
debug10
php10
phpbb10
forum10
html5
Programming languages (3)
Github contributions (5)
phpbb/phpbb
Nov 2016 - Nov 2018
phpBB Development: phpBB is a popular open-source bulletin board written in PHP. This repository also contains the history of version 2.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:6 commits, 8 PRs, 1 branch in 2 years 1 month
Contributions summary:Jim primarily contributed to bug fixes and enhancements related to the phpBB forum software. Their commits address specific issues reported in the tracker, focusing on improving the notification system, updating language files, and modifying the user interface for a better user experience. These changes involved modifying PHP code files to fix reported issues and updating the documentation to reflect the current state of the software.
bulletin-boardbulletinforumphpphpbb
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.