Aaron has spent much of his time at NCAR working within the aviation meteorology field. His areas of expertise include data visualization, data dissemination, and spatial data infrastructure (SDI). Aaron began his work at NCAR on the Aviation Digital Data Service (ADDS), a pilot service for aviation weather visualization and data services. Recent work has included weather data dissemination systems, web services, Open Geospatial Consortium (OGC), scientific display development, and work on large-scale weather dissemination within the FAA NextGen modernization efforts.