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Rienk Nieuwland chairs the Amsterdam Vesicle Observation Center of the Amsterdam University Medical Center (Amsterdam, Netherlands). His main interests is isolation, detection and functional characterization of extracellular vesicles (EVs) in human body fluids for biomarker exploration. He chaired the Scientific Standardization Committee on Vascular biology of the International Society on Thrombosis and Haemostasis (ISTH), and currently chairs the Blood EV task force of the International Society for Extracellular Vesicles (ISEV), the ISEV Rigor & Standardization Subcommittee, and he is ISEV board member. He is one of the founders of the ISTH-ISEV-ISAC (International Society for Advancement of Cytometry) working group on EV flow cytometry (, chaired multiple European metrology projects aimed to standardize concentration measurements of EVs (, and he is vice-president of the Dutch EV society (