Jrgen M. Geissinger is the controlling shareholder of the world's fourth-largest tyre manufacturer.
Jrgen M. Geissinger (born July 24, 1959) is a German technology business executive and Chief Executive Officer of "Senvion S.A.", a Hamburg based wind turbine manufacturer. 
 Schaeffler AG, employing over 76,000 people across 180 locations in 50 countries, with annual sales of $14 billion, is also the controlling shareholder of Continental AG with 49.9% of its shares. 
 Continental is the world's fourth-largest tyre manufacturer. 
