His research focused on satellite remote sensing of the Earth's land surface and atmosphere. During mid-1990’s, Dr. Gutman played an active role in developing the Pathfinder global land time-series dataset from Advanced Very High-Resolution Radiometer (AVHRR). In 1996, for developing an original technique using satellite data for reliable analyses of the Earth’s vegetation cover and its long-term variations Dr. Gutman received the U.S. Department of Commerce Bronze Medal Award. He joined NASA in 1999 as the Land-Cover/Land-Use Cover Program Manager at NASA Headquarters and has been leading this program as well as Landsat-related activities at NASA.