Prof. Dr. Avraam Zelilidis was born in 1960 in Naoussa Imathias. He received his bachelor's in Geology in 1984 and his PhD thesis in Sedimentology in 1988 from the University of Patras. He worked as a lecturer since 1993 and as a professor in the Department of Geology of the University of Patras, Greece, since 2009. He was the Dean of the Natural Science School of the University of Patras during the period 2006–2010. He is an expert in Sedimentary Basins Analysis, Sequence Stratigraphy, and Petroleum Geology. He has run many research projects on the evaluation of hydrocarbon fields for oil companies, using data both from surface and subsurface and also he has organized several field seminars for oil company executives. He has published more than 100 papers in international journals, most of which focused on hydrocarbon prospectivity in Greece. He was a guest speaker at international forums on hydrocarbon subjects.