Joseph Pelrine

Joseph knows more about ENVY than is good for a person. - Kent Beck

I've been working with Smalltalk, and various incarnations of ENVY, since ca. 1988. I used to assist Kent Beck on the Kaliv Project, and focus my interests on Relentless Testing and Fixed Price Xp. I'm currently working on the Asdis Four Ever project in Berlin.

In my scarce spare time, I write a bit. I used to write a column for the now deceased Smalltalk Report, and I just finished co-authoring a book on ENVY with Alan Knight and Adrian Cho.

I used to be a professional musician, and have even gigged with Kent (but more about that later ;-). You can reach me at

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