Robert Guest is the Foreign Editor for The Economist and regularly appears on CNN and the BBC. Previously, he covered Africa for seven years, based in London and Johannesburg. Before joining The Economist, he was Tokyo correspondent for the Daily Telegraph, and before that he was a freelance writer based in South Korea. From July 2009 through May 2010, Robert Guest wrote the opinion column on the United States for The Economist under the pseudonym "Lexington". He then returned to London to run The Economist's business coverage.