Keynote: Beyond Code
at Dutch PHP Conference 2017
From PHP to Machine Code
at PHP UK Conference 2016
Growing spiders to crawl the web
at Dutch PHP Conference 2013
You Can't Optimize What You Can't Measure
at PHP UK Conference 2013
Virtualized Development
at SunshinePHP 2013
The new era of PHP frameworks
at Dutch PHP Conference 2011
Doctrine 2
at Dutch PHP Conference 2010