Tim Marshall is a leading authority on foreign affairs with more than twenty-five years of reporting experience. He was diplomatic editor at Sky News, and before that worked for the BBC. He has reported from forty countries and covered conflicts in Croatia, Bosnia, Macedonia, Kosovo, Afghanistan, Iraq, Lebanon, Syria, and Israel.

He is the author of the New York Times bestseller Prisoners of Geography: Ten Maps that Tell You Everything You Need to Know About Global Politics and A Flag Worth Dying For. He has written for The Times (London), The Sunday Times (London), The Guardian, The Independent, and Daily Telegraph, and his blog Foreign Matters was shortlisted for the Orwell Prize 2010. He is founder and editor of the current affairs site