- independent dad, consultant, software craftsman, architect, programmer, coach, personal mentor, speaker, trainer, writer and traveller.
- changes organizations and teams and coaches them to optimize their processes, practices, architecture, code and tests
- authored best-selling books such as Microservices. A practical guide, The Continuous Culture, This Is Agile and Pragmatic Modeling with UML
- inspiring (keynote) speaker, trainer and university lecturer