In the order they joined the team:
MartiÃ±o Figueroa. Glest game, engine and tools coder.
MS in Computer Science by the University of CoruÃ±a.
José González. Sound and Music.
Glest music composer and sound designer. Web.
Matze Braun. Linux port.
He ported Glest to SDL and OpenAL which enabled it to work under Linux and other operating systems.
Other people, although not currently involved, made valuable contributions to the project:
Marcos Caruncho. 3D Artist.
Creator of the 3D models for buildings in versions prior to 0.7, his work helped in export plugin testing and other things.