Prof. Shin-Chan Han was educated originally in the field of Earth Science at the Seoul National University, South Korea. In 1998, he started postgraduate work in the discipline of Geodetic Science and Surveying at the Ohio State University, USA. After finishing PhD in 2003, he stayed at the Ohio State University for three years as a postdoc and research scientist. In 2006, he accepted a position at NASA Goddard Space Flight Center to join the Space Geodesy group. Since 2004, he has been participating as a science team member for the Gravity Recovery And Climate Experiment (GRACE) satellite mission. He currently serves the geodesy community as an editor of the Journal of Geophysical Research-Solid Earth and of the Journal of Geodesy. His research topics mainly include mass distribution and transport, space geodetic measurements and theoretical modeling of geophysical processes, earth and planetary sciences physics and astronomy.