Prior to starting-up Trinomics, he was head of Ecorys’ Energy & Environment unit for more than 5 years. He solved many assignments for the European Commission (especially DG ENER, DG CLIMA and DG ENV) and other international institutions, covering a variety of disciplines ranging from socio-economic assessments, impact assessments, evaluations and model-based analyses of policy options.

Koen has a broad professional background: his extensive experience ranges from the academic (assistant professor in econometrics and finance), to the private (utilities, banks and industry) as well as the public sector (advisor of a Minister). He demonstrated his leadership and communication skills while managing international teams in different companies and during the multiple contacts with different types of clients and press.