has over 40 years of experience in the water resources industry. His professional experience includes being a Combat Engineer with the 7th Special Forces Group (Green Berets), more than eighteen years as a research hydraulic engineer with the U.S. Army Corps of Engineers at the Waterways Experiment Station (WES, now ERDC) in Vicksburg, Mississippi, both the Nashville and Baltimore Districts (Chief of the Hydrology and Hydraulics Section), and the Hydrologic Engineering Center (HEC) in Davis, California. In the private sector, he has also been President of WEST Consultants, national director for water resources for HDR and PBS&J (now Atkins).

He has been a frequent short course instructor for the American Society of Civil Engineers (ASCE) and other professional and public organizations such as ASFPM and FMA on computer training using HEC-2, HEC-RAS, HEC-HMS, Bridge Scour and HEC-6. He has also been a member and chair of ASCE's Computational Hydraulics, Stream Restoration, Sedimentation, and Uncertainty, and Probabilistic Approaches committees.

Mr. Williams holds a PhD, MS and BS in Civil Engineering.