Talks:

• Increase eZ power with EzCoreExtraBundle - eZ Conference 2016
• Going crazy with HTTP caching - SymfonyLive Paris 2015
• Étendre Symfony, les bonnes pratiques - SymfonyLive Paris 2014 (French)
• Demystify migration to eZ 5.x - eZ Days Oslo 2014
• eZ Publish 5 and Backwards Compatibility - eZ Summer Camp 2013
• eZ Publish 5 Cache unleashed - eZ Summer Camp 2013

Links:

For older content you might want to check my blog (mostly french).