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Director of Software Development with crosscan GmbH.
Speaking at conferences about PHP, ExtJS, Sencha Touch, Puppet and Asterisk stuff.
bio from Twitter
23rd–27th October 2017
See Hans-Christian Otto's full speaking history
23 events spoken at
25 events attended
2017 · 2016 · 2015 · 2014 · 2013 · 2012 · 2011
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