Josien is responsible for Europe, the Middle East and Africa for GRESB. As a macro economist she views the transformation of the economic system into a just and sustainable eco-structure as the challenge of our time. She has a 25-year background in the financial sector, starting as a banker and as a portfolio manager fixed income credits. Josien has a Supervisory Board Membership at the World Benchmarking Alliance. Before joining GRESB, Josien worked in London as head of Northern European business development for Investec Asset Management.