Mark Parsons has been involved in data management for more than 20 years, during which he defined and implemented the overall data management process for the National Snow and Ice Data Center. He currently leads several national and international data management and informatics research projects at NSIDC. He is active in several international committees and is leading an effort with many international partners to create the Polar Information Commons, building from the International Polar Year. His focus is on open sharing, preservation, and interdisciplinary use of Arctic information ranging from satellite remote sensing data to the in-depth knowledge of an Inuit hunter. He received the American Geophysical Union Charles S. Falkenberg award as an advocate of robust data stewardship as a vital component of Earth system science and as an important profession in its own right. His current research is focused on the role of scientific social interaction in the success, development, and extension of data sharing networks.