I'm a Developer Advocate at SAP.
I've been hacking on SAP enterprise software for a long time, and am still enjoying it. I've written books for O’Reilly and SAP Press, and speak at conferences and meetups around the world. Find out more about me here.
Latest posts on my blog at qmacro.org
- Legacy and foundation - the enduring Unix tech stack (Fri Nov 13 2026)
- GraphQL and Conway's Law (Thu Nov 12 2026)
- GitHub affordances as human-agent conveyances (Wed Nov 11 2026)
Follow me on LinkedIn, Mastodon & Bluesky and read posts on my blog.






