Efstratios Grivas is a Grandmaster and highly experienced chess trainer and chess author. He lives in Athens, and he is also a FIDE Senior Trainer (Secretary of the FIDE Trainers' Commission), an International FIDE Chess Arbiter and an International FIDE Chess Organizer. He has represented his country on a great many occasions, winning the 4th position in the World Junior Championship 1985, an individual gold medal at the 1989 European Team Championship and an individual silver medal at the 1998 Olympiad. In 2010 he was awarded the worldwide highly important FIDE TRG Awards - Boleslavsky Medal (best author) for 2009.
Efstratios Grivas is cooperating with the Greek and Turkish Chess Federations as a Federal Trainer and he is an experienced writer, cooperating, among others, with Everyman Chess Ltd, Gambit Books Ltd, New In Chess Ltd, ChessBase GmbH and ChessCafe.com. Efstratios Grivas is also cooperating as a columnist with the following printed and electronical magazines