Agustin Sanchez-Lavega is a professor of physics, head of the Department of Applied Physics I, and head of the Planetary Sciences Group at the University of the Basque Country (UPV/EHU) in Bilbao, Spain. Between 2004 and 2006, he was a member of the Solar System Working Group of the European Space Agency. Dr. Sanchez-Lavega has authored more than 150 papers on the subject in refereed journals.