Pascal Tang & Eugenio Castillo
Pascal Tang
He was the project manager of Virtual Chess II in 1996 and 1997. He started the XieXie project in 1999 and released the first freeware version of XieXie in 2001. He also developed a chess program called Xie Long, but the project has been discontinued as it didn't achieve desired results. Now he mainly works on the program XieXie.
Eugenio Castillo
He used to be the Spanish computer chess champion. He met Pascal for the first time in 1996 at Jakarta for the 15th World Computer Chess Championship. Pascal and him formed the XieXie team in July 2001.
Jih Tung Pai
He is a Taiwanese doctor working in a Taipei hospital. He brings to XieXie the science of perfect endgame skills: endgame tablebases. Thanks to him, XieXie now has the biggest endgame database for Chinese chess.