David Espinoza is a Senior Principal at Geosyntec Consultants and developer of the DNPV method. He earned a Ph.D. in Civil Engineering from Purdue University and has provided geo-environmental consulting and advisory services for a variety of infrastructure projects from solid waste facilities and mining to highways and dams.  He was the Principal Investigator on a National Science Foundation funded research project that provided the seeds for the DNPV concept.

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