Dr Christopher Chen is a Neurologist trained in the UK. Currently he is Chair of the Chapter of Neurologists, College of Physicians, Singapore; member of the finance Subcommittee of the World Federation of Neurology and International Stroke Society Board of Directors. He has written more than 120 papers and 5 book chapters. He has taken part to several clinical studies such as DIAS, ONTARGET, ESPRIT, VITATIOPS, PASS II, GAIN, POST or IST.