1986 Ph.D. Hydrology, University of Arizona
1981 M.S. Hydrology, University of Arizona
1979 B.S.E. Civil Engineering, Princeton University (Magna Cum Laude)
Groundwater hydrology flow/transport in heterogeneous media; stochastic hydrology; laboratory flow/transport experiments; field studies; groundwater/surface interaction; microbial transport; water source protection; third world water supplies.