C.K. Shum is Emeritus Professor and Distinguished University Scholar, Division of Geodetic Science, School of Earth Sciences, at The Ohio State University. He is a Fellow of the American Association for the Advancement of Science, and a Fellow of the International Association of Geodesy. He received numerous awards including the 2012 Vening Meinesz Medal from the European Geosciences Union. He was a Lead Author in 2007 Intergovernmental Panel for Climate Change (IPCC) Working Group 1 (The Physical Science Basis), Fourth Assessment Report (AR4), which contributed to the 2007 Nobel Peace Prize awarded to IPCC and Al Gore, Jr. He and his group focus on scientific research relates to the quantification of 20th Century and present-day global sea-level rise due to various geophysical sources, including anthropogenic climate-change. He specializes in satellite geodesy, precision satellite orbit determination, temporal gravity field and tide modeling, and their cross-disciplinary science and applications to oceanography, hydrology, geodynamics, ice mass balance, GNSS meteorology and space physics. He has published over 241 refereed journal articles and book chapters. His work was covered by New York Times, Physics Today, Sky & Telescope Radio Show, Discoveries and Breakthroughs Inside Science TV, Science News, Science Daily, Scientific American, Soundings magazine, Deccan Chronicle, La Figaro, MSNBC.com, Tomorrow Focus Portal GmbH, Axel Springer AG, Televisi.n Espa.ola, Neue Zürcher Zeitung, Zurich, Columbus Dispatch, and other news organizations.