Ole Baltazar Andersen received the Ph.D. degree from the University of Copenhagen, Copenhagen, Denmark, in 1996. He is currently a Professor with the DTU Space, Technical University of Denmark, Lyngby, Denmark. He is also a senior research scientist within the use of satellite altimetry and other remote sensing data for geodetic, geophysical, oceanographic, and climatological and hydrological purposes. His main research interests include satellite altimetry, mean sea surface modeling, altimetric gravity anomaly inversion, bathymetry modeling, and the use of gravimetric methods for hydrology.