紳寶汽車
Muller was also the chairman of the company Swedish Automobile, which was formed after the takeover of Saab Automobile by Spyker Cars. Saab Automobile was declared bankrupt in December 2011. A meeting on Saab's bankruptcy was held at the District Court of Vänersborg on the 16 April 2012. In April 2012, the Swedish curators made public that SAAB has a debt of over US$2 billion after subtracting the value of assets.