David Aslesen has 21 years of professional experience with applying geographic information system technologies to ecological assessment, management, and restoration. His work includes natural resource, land, and facilities management involving both desktop and server-side programs for database design and management; cartographic design; spatial analysis; and spatial data distribution. Aslesen also has 17 years of professional experience in forestry and natural resource management and planning at the state and county level in the Upper Midwest.
Aslesen has worked extensively with all ESRI spatial data formats, Trimble global positioning system technologies, and remote sensing data, including desktop aerial photo orthorectification using Leica Photogrammetry Suite. In 2009, Aslesen joined AES with a primary role to support the Illinois Natural Areas Inventory with database development and quality control.