Dr. Wald is a Seismologist with the USGS and is on the Geophysics Faculty at the Colorado School of Mines. Wald is involved in management, operations, and developments at the National Earthquake Information Center in Golden & the Advanced National Seismic System. He developed & manages “ShakeMap”, “Did You Feel it?”, & is responsible for developing other systems for post-earthquake response, information, & pre-earthquake mitigation, including ShakeCast & PAGER. David earned his B.S. in Physics & Geology at St. Lawrence University in New York, an M.S. in Geophysics at the University of Arizona, & his Ph.D. in Geophysics from the California Institute of Technology.