Maria Arias de Reyna
María has been a free GIS software developer since 2007. She worked on different topics like routing, real-time map and SDI. In 2012 she started working for GeoCat, focusing mainly on the development of GeoNetwork opensource and other services related to spatial data infrastructures. María is a member of the Local Spanish-Speaking Chapter of OSGeo and is one of the founders of Geoinquietos Sevilla. She is also the President of OSGeo.
Victor Olaya is a GIS developer and writer. He is the creator of the QGIS Processing framework, and has been working on developing analytical tools for GIS during all his career. He wrote “Sistemas de información Geográfica” a 900+ pages free book about GIS theory, and its shorter companion book, “Introducción a los SIG”. An English translation of the latter was recently published.