Mr. Dimitrios Oikonomou is a 1st year Ph.D candidate at Aristotle University of Thessaloniki. He received his Bachelor degree in Geology from the Aristotle University of Thessaloniki in 2008 and his Master degree from the same University in Applied Geophysicsr . His research focuses on developing novel algorithms for joint inversion of electrical resistivity and seismic geophysical data derived from environmental and archaeological applications.