Her research focuses on multihazard risk assessment, cascading and compound disasters, and earlywarning systems. She is an expert on consecutive disasters and systemic risk, and therefore currently cochair of the international RiskKAN network and colead of the ASI cluster Natural Hazards & Society. Marleen is a recipient of the 2024 EGU Outstanding Early Career Scientist Award and holds an NWO Veni grant for her work on global cascading hazards and waterborne disease outbreaks.