Kimo van Dijk is doing his PhD research on nutrient management and phosphorus (P) security at Wageningen University. He analyses the present P flows in Europe (EU-27) at the country level, develops dynamic nutrient flow models, and simulates potential future P use by scenario analyses. Additionally, he supervises MSc students studying the P flows and future nutrient management options at the local level in cities (Rotterdam and Wageningen). In the past he did scientific studies for the Dutch government about the options for sustainable P use in the Dutch, West-European and European society.