Karl and his late brother Theo began working at their mother's corner grocery store after World War II. And years of long efforts turned it into a large retail chain with low prices. Later when the brothers split the ownership, Karl was awarded with more fruitful parts of the Germany and the world, whereas Theo got portions of Germany and Europe. The store known as Aldi Sud, operates in 9 countries & within 32 states of USA. Karl who is 93 now passed the baton to his daughter and her son who now represent the family on Aldi's board.