Willy worked as an economist for the Ministry of Transport in The Netherlands. He was involved in policy analysis studies and later in European transport research. He served as a Dutch representative in subsequent Framework Programmes of the EU, in the field of transport. After his retirement he became interested in alternative economic systems and their classification.

Too Big to Succeed?
Is a coalition of more than 500 financial firms fit to race against climate change? Willy Diddens looks at the form. In April 2021, the UN Special Envoy on Climate