Pradu Kannan
Pradu Kannan is a GN&C Engineer living in Arizona, USA. His hobby as a chess programmer was inspired by GameDev's chess programming article in 2004. He subsequently went on to write three chess engines: 0x88 Witz, rotated bitboard Witz, magic bitboard Buzz, and finally Dirty. Pradu is the developer of the core engine structures and the search algorithm.
Andres Valverde
Andres Valverde is an Agricultural Engineer living in Almería, Spain. Being an intermediate chess player, he developed (ECTool and XECTool) for correspondence chess. He was then encouraged by Olivier Deville (ChessWar) in 2005 to write his own chess engine, EveAnn. He is the developer of the evaluation function in the Dirty project.