Henry Ma is the director of neurology and head of the stroke unit at Monash Health, and a professor at Monash University. He ran the EXTEND trial and his research has changed global practice for acute stroke reperfusion therapy. He is a past president of the Australasia Stroke Academy. Henry is conducting the first amniotic epithelial stem cell trial for acute ischemic stroke. He is a member of the editorial board of the journal Stroke.