Research Geophysicist
vancouver, washington, united states
U.S. Geological Survey (USGS)
Research Geophysicist
CVG-Tecmin-Venezuela
Jefe Del Grupo Asesor - Usgs
U.S. Geological Survey (USGS)
Deputy Chief of Mission for Science and Mission Chief
U.S. Geological Survey (USGS)
Chief Scientist, Volcano Hazards
American Jujitsu Association
Sensei and Webmaster
The University of Arizona
University Of California - Berkeley
Illinois