 Timerman earned a master's degree in international relations at Columbia University in 1981, and wrote several op-ed columns for the "New York Times", "Los Angeles Times", "Newsweek", and "The Nation".After returning to Argentina in 1989, he founded two news magazines, "Tres Puntos" and "Debate", and became a regular contributor to "Noticias" and "Ámbito Financiero".He also hosted a television news interview program, "Diálogos con Opinión".