Tim Marshall is a journalist and author. He was the longstanding foreign affairs editor and then diplomatic editor for Sky News, during which time he reported from thirty countries and covered the events of twelve wars. He has reported from Europe, the United States, (covering three US Presidential Elections), and Asia, as well as from the field in Bosnia, Croatia and Serbia during the Balkan wars of the 1990s. He also reported from the front line during the invasion of Afghanistan and spent time in Iraq, reporting on the country's transition to democracy. Tim is the author of Prisoners of Geography and the Power of Geography. He writes Geographical's monthly geopolitical column.