Mark Henderson, newly appointed head of communications at the Wellcome Trust is - until January 2012 - the Science editor of The Times and a columnist for The Times science magazine, Eureka. In 2011 Mark was awarded the European Best Cancer Reporter Prize and the Royal Statistical Society Prize for statistical excellence in journalism. He has won three awards from the Medical Journalists Association. He is a regular commentator on science in the press, for television and radio, online, and at live events. He tweets as @markgfh.