Victor van Hoorn is the executive director of Eurosif, the European Sustainable Investment Forum, the leading pan-European sustainable and responsible investment association advocating for a more sustainable financial system. It works as a partnership of European national Sustainable Investment Forums (SIFs). SIF members include institutional investors, asset managers, index providers, and ESG research and analysis firms totalling over €8 trillion of assets under management, as well as other stakeholders such as NGOs, trade unions, think-tanks, and philanthropic foundations. Eurosif is also a founding member of the Global Sustainable Investment Alliance, the alliance of the largest SIFs around the world.

Prior to Eurosif, van Hoorn was head of financial services at Hume Brophy, a leading EU public affairs consultancy, advising asset managers and asset owners on their engagement with EU policymakers. In that role he closely followed the EU sustainable finance since its inception.