Bart van der Worp is a neurologist with a special interest in cerebrovascular diseases at the University Medical Center in Utrecht, the Netherlands. He has been (co-)Chief Investigator of the randomised stroke trials HAMLET, PAIS, COOLIST, and VAST and is (co-)Chief Investigator of PRECIOUS, APACHE-AF, and MR ASAP. He is a member of the Dutch CONTRAST consortium which aims to identify and test new treatments for patients with acute ischaemic stroke or intracerebral haemorrhage. He is Past President of ESO.