David Roy is co-lead of the USGS NASA Landsat Science team, a member of the NASA Land-Cover/Land-Use Change Science Team, and co-chair of the GOFC-GOLD Fire Implementation team. He is a former member of the NASA MODIS and the Suomi National Polar-orbiting Partnership (NPP) Land Science Teams.   His research interests include the development of remote sensing and advanced computing methods to integrate/fuse satellite sensor data to map and characterize terrestrial global change, big satellite data processing, and the causes and consequences of land cover and land-use change.