is a Senior Hydrologist for WEST Consultants, Inc. He has been with WEST since May 2013. Prior to that, he spent nearly 36 years with the US Army Corps of Engineers. He has spent the last 12 years with the Hydrologic Engineering Center. From January 2005 to May 2013, he was the Chief of the Hydrology and Hydraulics Technology Division. The HEC-HMS software was developed under his supervision.

Prior to working at HEC, he spent 24 years with the USACE Sacramento District Office where he worked in Hydrology and Hydraulics. He has worked on multiple projects over the years including modeling of the 1997 and 1986 high water events in the Central Valley of California and the devastating flooding resulting from Hurricane Katrina in New Orleans in August 2005. He has taught locally, nationally and internationally on topics including HEC-HMS, HEC-RAS, statistical analysis and risk analysis. He has made multiple presentations at conferences both in the US and internationally.