"I am lucky to work with excellent people, so I can take off on weekends," he says. "I guess I'm not a typical German, probably a result of having drifted around the world for so many years. "

Mueller has a house in Brisbane, Australia, which he and his wife will eventually occupy. But he is enjoying his working life and has no plans to retire soon. "I am very active, have lots of energy and creativity, so I don't see the point (of retiring). Right now the house is just locked up and waiting for us," he says with a smile.

(Shanghai Daily May 6, 2008)