Federico Kereki is a systems engineer with more than twenty years of experience as a consultant, system developer, writer, and university professor. He has given talks on GWT at public conferences organized by Microsoft and TCS, and he used GWT to develop several company-wide Internet business systems. Kereki has taught and written texts for computer science courses at the Universidad de la República, Universidad ORT Uruguay, and the Instituto Universitario Autónomo del Sur. His current research interests include software quality, software engineering, and agile methodologies. He works extensively with both Linux and Windows and has been involved with open source for more than a decade. He currently resides, works, and teaches in Uruguay.