Charlie Frye is the chief cartographer and manager of the Cartographic Projects Group. He has worked at Esri in the Software Products department since 1994, starting as a quality assurance analyst on the ArcView 2.0 team. He became the cartography product specialist for ArcView soon thereafter. He then became lead product specialist for the ArcView IMS extension and returned to cartography for the ArcView 3.1 release. He was the lead product specialist for ArcMap and managed the ArcMap/cartography products team from 2000 through 2005. He has his bachelors and Masters degrees in geography from Kansas State University. His professional interests include thematic cartography, topographic mapping, cartographic data processing research, data modeling, and historical GIS.