American Society of Civil Engineers, Fellow
Association of Environmental and Engineering Geologists (AEG)
- 2009 Richard H. Jahns Distinguished Lecturer in Engineering Geology (awarded jointly by AEG and the Geological Society of America, Engineering Geology Division)
- Marliave Scholar (1993)
- San Francisco Section Membership Committee Chairman (1991-1993)
- San Francisco Section Short Course Chairman (1995-1996)
British Institution of Civil Engineers, Member
Geological Society of London, Fellow
Geological Society of America, Engineering Geology Division
Geoengineering Extreme Events Reconnaissance Association
Peer Reviewer: Geotechnique; International Journal of Rock Mechanics and Mining Sciences; Engineering Geology; Felsbau- J. Austrian Society for Geomechanics and Tunneling; Bulletin of Environmental and Engineering Geology; Journal of Geoengineering Case Histories
Former Member of: ASCE Geo-Institute Site Characterization and Engineering Geology Committee; Editorial Board of International Journal of Geoengineering Case Histories; Editorial Board Felsbau – Journal of the Austrian Society for Geomechanics and Tunneling