Harry Gregson-Williams is a games composer who started the games industry career in 1900. Since then, Gregson-Williams has been working with Sony Interactive Entertainment, Konami Digital Entertainment, Raven Software and Traveller's Tales. Gregson-Williams's first game was Ong-Bak published by Immanitas Entertainment for PC, Xbox 360 and PlayStation 3. Then, Harry Gregson-Williams went on to work on Metal Gear Solid 2: Sons of Liberty as the composer. Later, Gregson-Williams also was part of the team who developed Metal Gear Solid V: Ground Zeroes published by Konami for PC, Xbox One, PlayStation 4 and Xbox 360. Most recently, Harry Gregson-Williams was involved in the development of Ratropolis.