Willemien Bosch trained as an architect at Delft University of Technology. As Director of Policy, Bosch leads the division responsible for substantive policy development and advocacy towards politics and society. This division focuses on a broad range of themes, including economic development, European regulation, sustainability, digitalization, and international trade. Within the organization, she plays an important role in translating the interests and positions of entrepreneurs—ranging from small and medium-sized enterprises to large corporations—into concrete policy proposals and lobbying activities.