He was a member of the original PlayStation team at Sony Computer Entertainment before and after its launch, and would hold positions at its European, American and global divisions until 2008.

[1] From 1989 to 1992, Harrison served as head of development for Mindscape International, and prior to that as a game designer and graphic artist in the UK.

He was a core member of the teams that successfully launched the first three PlayStation consoles and software, that have helped expand the market for computer entertainment worldwide.

[5] Later that year he gave interviews in which he predicted that single-player games were to become increasingly rare as consumers wanted "network connectivity" and "community".

[18] On 17 May 2010, it was announced that Phil Harrison has joined the advisory board at David Perry's cloud gaming service known as Gaikai.