Dr. Bullard joined DRI in 1997 and has more than 25 years of academic and professional experience in basic and applied research in geology and geomorphology related to landscape evolution, fluvial system behavior, geologic hazards and hazardous waste disposal that includes: soils-geomorphic applications to landscape evolution in arid, semi-arid, alpine, and tropical regions; applied tectonic geomorphology research on blind thrust faults for earthquake hazard assessment; landslide investigations; fluvial geomorphology; geoarchaeology. Research field areas include the southeast, southwest and western United States, Alaska, Argentina, Belize, Bolivia, Colombia, Costa Rica, Panama, and Philippines.