Luud is a Dutch social inventor, industrial designer, entrepreneur and politician. Luud is the person who set the  pattern for city bike projects in Amsterdam back in the sixties with the 'white bikes'.

Since the mid 1960s Schimmelpennink has been active as an industrial designer and social innovator, with special focus on sustainable transportation concepts. His work aims to both reducing the number of conventional motor cars in cities or urban areas for environmental and public health reasons, and provide people with viable alternative means of getting around in the city.

In 2006 he was elected again to the Amsterdam Municipal Council, and is currently working on a new WitKar-type project for Amsterdam as well as continuing to promote community cycles in Amsterdam and elsewhere. Luud is Chairman of the Ytech Innovation Centre in Amsterdam.