Justin Gregory specializes in applying GIS technology in water resources engineering, watershed modeling, and watershed planning. He has experience in hydrologic and hydraulic modeling with Interconnected Channel and Pond Routing (ICPR) and XP-SWMM. He has served as a Project Manager or technical lead on more than 20 watershed management plans in Florida, focused on flood risk modeling and mapping. He has led efforts in developing innovative approaches to rapidly modeling large-scale flood risk using high-resolution 2D modeling techniques.