Seung-bum Kim received the B.Sc. degree in electrical engineering from the Korea Advanced Institute of Science and Technology (KAIST) in 1992 and the M.S. and Ph.D. degrees in remote sensing from the University College London in 1993 and 1998, respectively. He worked on spaceborne photogrammetry and microwave radiometry while fulfilling the national service at KAIST until 2003. He conducted the postdoctoral research in ocean science at JPL until 2006. Since then he was a scientist at Remote Sensing Systems, CA, to study Aquarius salinity retrieval. He joined JPL in 2009 as a scientist. Current research includes developing soil moisture retrieval algorithms with the radar data from Soil Moisture Active Passive Mission, and studying salinity retrieval with Aquarius data. He is a member of Aquarius science team.