Alvaro Sierra has been a journalist for more than 25 years and has worked for the past years as a senior editor and editorial adviser of the daily El Tiempo, Bogota. He was president of the board of Medios para la Paz (Media for Peace), a major Colombian NGO of journalists that designs and teaches courses and seminars for journalists working in conditions of armed conflict. For the past eight years he has designed courses and trained local journalists in Colombia, and also in Haiti, Mexico and Ecuador. He teaches for the Knight Center of Journalism at the University of Texas at Austin courses on conflict coverage and on coverage of the drug business. He has extensive experience covering armed conflicts both as a local reporter and a foreign correspondent. In the past 20 years he has worked in Nicaragua, the former Soviet Union, Russia, the Baltic States, Ukraine, Central Asia, the Caucasus, China, Hong Kong and Colombia, among other places. He’s fluent in Spanish, French, Russian and English. From 2008 and 2010 he was Associate Professor at UPEACE, in charge of the MA on Media, Peace and Conflict Studies. Since January 2011 he’s back in Colombia, where he works as chief editor at Semana, the main newsweekly in the country.