Gert-Jan is a architect with a keen focus on (agile) development processes. He has worked in system and software development for over 15 years, in a variety of roles, environments and organizations. The roles include QA, SPI, project leader, designer and architect. At this moment, he is involved in the development of the architecture for a range of complex systems to be used by the Dutch Army. He has a background in System Engineering.

Gert-Jan is senior architect at TASK24. Within TASK24, he heads the competence cluster Architecture; the cluster develops and spreads knowledge about architecture within TASK24 as well as it develops products and services to be used externally. In this context, Gert-Jan is coauthor and trainer of TASK24ís course on System Architecture.