As I previously said, I had the opportunity to talk at WordCamp Antwerp 2016. Here you can find the slides of my two presentations.
http://www.slideshare.net/AndresCifuentes4/wordpress-multilingual-wordcamp-antwerp-2016
http://www.slideshare.net/AndresCifuentes4/themes-that-perform-short-wordcamp-antwerp-2016