Welcome to R&A

Logo-RnA-100dpi.jpgR&A is the vehicle for Gerben Wierda’s ‘extracurricular activities’ (what he does next to his day job and family life — or what’s left of that). Mostly writing and sometimes a bit of training or consultancy. R&A is also the publisher of Mastering ArchiMate and Chess and the Art of Enterprise Architecture.

This site combines the previous separate content of masteringarchimate.com and enterprisechess.com.

Recent Posts

Обзор ArchiMate 3.1 PDF

7 ноября прошлого года, вскоре после выхода ArchiMate 3.1, я написал, что, вероятно, обновлю свою книгу и блог об ArchiMate 3.1. Сегодня я выполняю свое обещание, выпустив небольшое обновление моих обзорных листов ArchiMate (ArchiMate Overview Sheets) — краткого визуального справочника…

IT is us

The amount of IT we have brought in the world is turning the human species into something ‘extended’. IT has behaviour and as such is an amplifier of our intentions. IT is us, it is inseparable from us. What culture does your organisation’s IT embody?

Blame the mathematicians!

Long ago, when computing started the ones starting it were mathematicians. This was logical as the machines were machines executing logic, the mathematician’s bread and butter. This has led to a few side-effects that make it harder to manage IT well.

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