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Alex Mandel is a geospatial scientist who has a PhD in geography and more than
12 years of experience in applying GIS to a variety of projects. He has also taught courses on
GIS, geospatial programming, and Geoweb.Olaya Ferrero Víctor :
Victor is a GIS developer. He is the creator and main developer of the QGIS
Processing Framework. Victor is the author of “Sistemas de Información Geográfica” a free book
about fundamentals of GIS. I would like to thank my co-authors, and everyone else in the QGIS
community.Graser Anita :
Anita Graser is a spatial data scientist, open source GIS advocate, and author with a background in geographic information science. She is currently working with the Center for Mobility Systems at the Austrian Institute of Technology in Vienna and teaching QGIS classes at UNIGIS Salzburg. She serves on the QGIS project steering committee. and has published several books about QGIS. Furthermore, she develops tools, such as the Time Manager plugin for QGIS. You can follow her on Twitter @underdarkGIS.