I love open source, GNU/Linux, emacs and firefox.
I am the current maintainer of mozregression.
Tagsautomation, orlando all hands work week 2015
Tiwezzaautomation, c++, python, testing
Julien has contributed a number of valuable patches for automation tools. Projects he's worked on include mozregression (https://github.com/mozilla/mozregression), and mozbase (http://hg.mozilla.org/mozilla-central/file/default/testing/mozbase).
As Dave said, Julien has contributed lots of great patches to automation tools. He's been extremely active in improving mozregression's performance, correctness, and robustness.