Mario Arriagada Cuadriello has worked on security, governance and human rights for almost twenty years. Mario studied International Relations and attended postgraduate studies at the London School of Economics. After the Mexican Zapatista insurgency of 1994 he worked on peace initiatives and was involved in the talks between rebels and government officials. His research has ranged from enquiring on the conditions for social stability in multi-gang environments in Mexico, to the workings of catholic transnational aid networks in east Africa and Central America. Mario lives in Mexico City where he writes for leading current affairs magazine Nexos, and an array of other publications; he also regularly participates in local radio and TV. Mario has recently edited the book El fin de un sueño secular. Religión y relaciones internacionales en el cambio de siglo, El Colegio de México, (2013).