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S. Jeffress Williams

S. Jeffress Williams, a senior scientist emeritus, research coastal marine geologist with the USGS Woods Hole Coastal and Marine Science Center, Woods Hole, MA, has focused his research career on understanding the geologic history and processes of coastal, estuarine, wetland, and inner continental shelf regions.

He has more than 50 years research experience investigating topics on the geologic origins and development of coastal, continental shelf, and estuarine regions, Great Lakes coastal systems, Holocene sea-level history, climate-change effects on coasts, and the geologic origins and character of marine sand bodies. Williams has led or participated in more than 80 field studies along the Atlantic, Gulf of Mexico, Pacific, Great Lakes coasts, and the Irish Sea, UK and been principal investigator on many offshore geologic mapping investigations. Williams was awarded the Coastal Zone Foundation Award for career achievement in coastal science, the USGS 40-year career service award and career achievement awards for natural resources research from the Eastern Regional Director of the National Park Service and the Director of the NPS. Williams has authored more than 350 scientific publications and been a member on many national and state science committees. In addition, he is a frequent lecturer at scientific meetings, state and local legislatures, and civic groups on coastal topics. Williams directed the USGS Coastal and Marine Geology Program from 1996 to 2000. Prior to joining the USGS, Williams was a research marine geologist with the Coastal Engineering Research Center and an invited visiting scientist at the Institute of Oceanographic Sciences, Taunton, UK. He earned degrees in geology and oceanography.

*Disclaimer: Listing outside positions with professional scientific organizations on this Staff Profile are for informational purposes only and do not constitute an endorsement of those professional scientific organizations or their activities by the USGS, Department of the Interior, or U.S. Government