Hussein Nasser is an ESRI award-winning solution architect working in the GIS field since 2006. He is the author of four books in the ArcGIS technology, Administering ArcGIS for Server, Learning ArcGIS Geodatabases, Building Web Applications with ArcGIS and the latest published in 2015 ArcGIS by Example. In 2007, Hussein won the first place in the annual ArcGIS Server Code Challenge conducted at the ESRI Developer Summit in Palm Springs, California. In 2014, Hussein started IGeometry Youtube channel where he publishes weekly educational GIS videos mainly about programming with ArcObjects. Late 2015, Hussein joined Esri Geodatabase team as a Product Engineer to work on the Utility Network project which will replace the geometric network and serve the utilities for the next 15 years.