The SE has opened up the possibility of a monistic organizational structure in Germany. In addition, the chairman of the board of directors is also chairman of the managing directors, according to the US model. In the US, however, there has been a contrasting trend in recent years, with more and more companies segregating the roles of the Chairman of the Board and the CEO. In this article Dr. Philipp Grenzebach and Joseph S. Adams give an insight into these current developments in the USA.