One of them was Kenneth J. Braddick from the online portal Dressage-News.com, who I had met in Florida/USA and the other was Alexandra Koch from horseweb.de. You can read both interviews by clicking on the following links:
http://www.dressage-news.com/?p=19572
http://www.horseweb.de/cms/2013/02/interview-victoria-max-theurer-augustin-ist-der-herr-im-haus/