IGS North America, President-Elect and Member GeoInstitute of ASCE Unsaturated Soils Committee, Vice-Chair and Member GeoInstitute of ASCE Geoenvironmental Engineering Committee, Member ISSMGE TC 308 on Energy Geotechnics, Webmaster and Member ASTM D18.04 Hydrologic Properties and Hydraulic Barriers, Chair ASTM D18.09 Dynamic and Cyclic Properties of Soils, Member and Past Chair |
Service >