Colin Childs is a product engineer for Learn ArcGIS team at Esri who has been doing GIS for 30 years. Before coming to Esri in 2001, he was an Esri software instructor for the Esri distributor in South Africa. A CompTIA Certified Technical Trainer (CTT+), Childs holds Esri Certified ArcGIS Desktop Professional, Esri Certified Enterprise Geodatabase Management Professional, and Esri Certified Enterprise Geodatabase Management Associate and was an instructor at Esri’s corporate offices in Redlands for 15 years. He holds bachelor and honors degrees in geography from Rand Afrikaans University (Now UJ -University Of Johannesburg).