Ângelo Marcos Rigo has a strong background in web development, which he has worked with since 1998, with a focus on content management systems, hibryd mobile apps and custom web based systems. He holds a degree in systems information and also has extensive experience in managing, customizing, and developing extensions for the moodle LMS. Ângelo can be reached on his website, http://www.u4w.com.br, for consultation. He has also reviewed, Moodle Security, Packt Publishing.

Dr. Isabel Rosa is a research associate at Imperial College London and one of the cofounders of Earthindicators. She has a PhD in computational ecology from Imperial College London and extensive experience in data mining and predictive modeling. For the last five years, Dr. Rosa worked as a researcher with Imperial College London. During her academic career, she acquired several skills such as statistical analysis, programming (R, C++, Python), working with geographic information systems (ArcGIS and QGIS), and creating databases (PostgreSQL/PostGIS, SQLServer). Dr. Rosa is also the lead author and coauthor of several scientific papers published in top-quality scientific journals, such as Global Change Biology. She has presented her work at several national and international scientific conferences and is the lead coordinator of Land Use Forum (London).