Borner worked as a waiter in Lion-sur-mer and in Caen before meeting and marrying a Normandy girl, taking out French nationality and opening his first hotel at Luc-sur-mer in 1955.

In 1986 he moved to Australia, where he adopted the nickname Aussie Joe after taking out dual British-Australian nationality.

But he is from Argentina, where he was born, grew up and first developed as a footballer, only taking out Bolivian nationality after he had played in the country for a few years.

In 1978 she moved to Geneva, Switzerland and took out Swiss nationality.