Dr. Ted Asch is currently a Research Geophysicist with Aqua Geo Frameworks in Lakewood, Colorado. Dr. Asch was previously a Research Geophysicist with XRI Geophysics for 2.8 years and before that with the U.S. Geological Survey Crustal Geophysics and Geochemistry Science Center for 10 years. Prior to the USGS he was a Geophysicist for 4 years with the U.S. Army Corps of Engineers, Sacramento District concentrating on the development of protocols and the practice of the application of exploration geophysics to unexploded ordnance (UXO, now MEC) investigations. He has been primarily involved with UXO investigations for 15 of the last 20 years including development of an electromagnetic system, the ALLTEM, which was specifically designed for the detection and classification of UXO. Before entering public service he was a private exploration geophysics contractor performing surveys and developing analysis algorithms. Dr. Asch has designed, conducted, and interpreted electrical, electromagnetic, magnetotelluric, marine geophysical, and airborne (AEM) surveys all over the world including the U.S., Canada, Japan, China, Australia, Thailand, Sumatra, Malaysia, Singapore, South Korea, Afghanistan, Jordan, Saudi Arabia, Israel, Egypt, Turkey, England, Brazil, Colombia, Panama, Honduras, Costa Rica, Mexico, and, for the summer of 2013, characterized a volcano with ground and airborne methods in the Commonwealth of the Northern Mariana Islands.