Serving as Shannon & Wilson's Director of Computer Services, Hollie has more than 40 years' experience in providing mathematical and computer science support services to environmental and geotechnical professionals. He has worked in all phases of data acquisition and data management for structural-geotechnical instrumentation. Hollie has extensive experience with computer modeling of soil and rock-structure interactions, surface water and groundwater flow, heat flow, and the shear flow of granular materials. He is also experienced in applying statistical methods to environmental problems.