Groundwater flow and contaminant computer simulation using GIS. Deep well injection numerical analysis and litigation expert. Quarry mine dewatering analysis. Acid gas injection well computer modeling. Carbon sequestration support to EPA.Administrator - Loudoun Watershed Watch (www.loudounwatershedwatch.org) 2004-2023

Most comprehensive, current and accurate GIS database of antenna sites, cell towers and rooftops for wireless collocation. Offline data distribution of site locations and spatial geoanalysis. www.TowerMaps.com

Water Resources Engineering, Floodplain Mapping, Stormwater, GIS, Stream Assessment, Statistical Hydrology, Groundwater Monitoring, Wetland Delineations, Watershed Management, Hydrogeology.• Western Hills Watershed Management Plan - Project Manager (2018-19)• Big Spring Watershed Restoration (NFWF Grant)• Upper Broad Run Watershed Management Program - Neighborhood field assessment, hot spot investigation, public outreach (2013-2014).• Chesapeake Bay TMDL WIP II - VAST, land use, BMP Inventory (2010-2014).• Managed comprehensive county-wide probablistic Stream Assessment project in 2009 funded through EPA Grant, contracted professional services ($280K). • Managed comprehensive water resources data • Programmed interactive Google Map website display of 2009 stream conditions field survey. • Developed and managed commercial website in support of Loudoun Watershed Management Stakeholder Committee and Loudoun Watershed Watch. • Committee liason to Water Resources Technical Advisory Committee, Loudoun Soil and Water Conservation District, Goose Creek Scenic River Advisory Committee, Metropolitan, Washington Council of Governments Regional Monitoring Subcommittee, Northern Virginia Regional Commission on Green Infrastructure, Goose Creek Association and appointed as alternate member to Potomac Watershed Roundtable, Secretary Catoctin Creek Scenic River Advisory Committee (2010-2024). • Authored annual Water Resources Monitoring Reports (2008-2023). • Technology leader on environmental stream flow including data analysis and workshops. • Managed annual submissions to VA Dept Environmental Quality of streams to be monitored. • Floodplain mapping, RiskMAP, HEC-RAS and GIS support. • Team support on development of Comprehensive Watershed Management Plan. Technology and data transfer - over 19 GB. • Data liason for stream health with Chesapeake Bay Program, Chesapeake Commons, ICPRB, VA DEQ, and The Nature Conservancy.

• Technical Manager (35 Staff) on FEMA Technical Evaluation Contractor. • Direct teams in GIS, cartography, IT and Internet systems for flood plain mapping. Technical support FEMA. • Development and upgrade of DFIRM (GIS system, ArcInfo), support corporate Oracle database, Windows networking, hydraulic and hydrological software interface, Intergraph (Microstation).• Annual budget $2.7 million

Project Manager, hydrogeologist, software developer (SWIFT, MODFLOW, FEMWATER) for dozens of environmental projects involving groundwater flow and subsurface contaminant transport computer simulation. Deep well injection expert.

High-level radioactive waste numerical modeling, SWIFT