Evangelos Petroutsos has a M.Sc. degree in Computer Engineering from the University of California, Santa Barbara. For more than two decades he has been involved in the design and implementation of business software and has authored many books and numerous articles on programming topics. He has extensive experience with GIS systems and spatial databases and has worked extensively with Google Maps since version 2 of the API implementing map-enabled sites. Currently he is involved in a GIS project for a gas utility company.