Dave Crawford is a technical consultant and Python developer with Esri’s Professional Services division based in Oakland, CA. Prior to his time working with geospatial data, he was an archaeologist. Now he spends his time designing and implementing data engineering and automation solutions. Daniel Yaw, GISP, is a Solutions Architect with HERE Technologies. Dan has over 15 years of experience in GIS, including Esri’s own Advanced Enterprise Systems team. He has a passion for developing cutting-edge technology and a proven track record of designing and implementing efficient and innovative enterprise-grade geospatial solutions.