Summary
Geertjan Wielenga is a technical content advisor and community builder with 12 years of experience shaping open source developer ecosystems, technical documentation, and developer advocacy from Amsterdam. He combines hands-on technical writing and curriculum development with strategic community leadership roles—most notably as Apache NetBeans PMC Chair and long-time Community Manager for Foojay.io. Geertjan has advised developer platforms at companies ranging from Oracle and Azul to startups like Dash0 and Davra, helping translate engineering work into clear docs, training, and outreach. He runs his own consultancy focusing on developer relations, process facilitation, and product advocacy, frequently steering complex transitions such as NetBeans’ move into the Apache Foundation. Fluent in both legal and technical perspectives (LLM in EU Law plus earlier law and political science degrees), he brings an unusual blend of policy awareness to open source governance and documentation. Expect a practitioner who moves fluidly between governance, content strategy, and hands-on writing to grow healthy developer communities.
11 years of coding experience
16 years of employment as a software developer
Bachelor of Laws - LLB, Bachelor of Laws - LLB at University of KwaZulu-Natal
Private Law & Policy Summer Course, Institute for Information Law (IViR), Private Law & Policy Summer Course, Institute for Information Law (IViR) at University of Amsterdam
Dutch, English