In late 1980s acquired Knorr-Bremse AG and transformed it into world's leading manufacturer of braking systems for rail and commercial vehicles. Saw sales drop 18% in 2009 to $3.9 billion as a result of the global recession.Group is a big player in China where it has five joint ventures and its own production plant; in 2009 won a $680 million contract to equip a Chinese high-speed train with braking and door systems. Chairman of supervisory board; said to enjoy hiking, skiing and animal photography. Has received various awards for his philanthropic contributions, including his support of children's cancer research and aid to developing countries.