"Based in" indicates where one lives now, not where they are from. I've found reference to MaFi games as Czech game company, Marek is easily googlable as Czech

"Based in" indicates where one lives now, not where they are from. I've found reference to MaFi games as Czech game company, Marek is easily googlable as Czech too, I would be surprised if Filip was English - Filip isn't English name but it is commonly used in Czechia.