A few months later Daimler Motoren Gesellschaft hired Porsche to serve as Technical Director in Stuttgart, Germany, which was already a major center for the German automotive industry. In 1924, he received another honorary doctorate from the Stuttgart Technical University for his work at Daimler Motoren Gesellschaft in Stuttgart and was later given the honorary title of Professor.[16] While at Daimler Motoren Gesellschaft he came up with several very successful race car designs. The series of models equipped with superchargers that culminated in the Mercedes-Benz SSK dominated its class of motor racing in the 1920s.