Secretary of CEN/TC 371, Energy Performance of Buildings.
Manager of various standardization activities on national, European (CEN) and international (ISO) level in the application field of energy performance, building physics and Construction Products (Directive).
Project manager of the development of the set of international (CEN and partly ISO) EPB (EC Mandate M/480, 2011 – 2016).
Member of the Advisory Group on Ecodesign in CEN.
Standardization consultant at NEN, the Royal Dutch Standardization Institute.