Seamus Blackley

Seamus Blackley is a particle physicist by training who moved into games — he worked on flight simulation at Looking Glass and on the troubled Jurassic Park: Trespasser at DreamWorks Interactive — and arrived at Microsoft in 1999 in the DirectX group. With Kevin Bachus, Otto Berkes and Ted Hase he assembled the internal argument for Microsoft building a games console.

The pitch was deliberately not about games. Sony was marketing the PlayStation 2 as a general-purpose home computer, and the group's case to Bill Gates was that Sony intended to own the living room and displace Windows from it. That framing was what unlocked the budget. It is also why Xbox has been judged, ever since, as a strategic hedge that Microsoft's balance sheet could afford rather than as a business required to earn its own return — a freedom and a discipline problem at the same time.

Blackley's contribution was largely evangelical: he made a machine built by a Windows company credible to game developers who had every reason to distrust it, and he pushed hard for PC-derived architecture that would make porting straightforward. Two colleagues matter as much to the outcome. Ed Fries, who ran Microsoft Game Studios, acquired Bungie in 2000 and turned its Mac-first shooter into Halo — the launch exclusive without which the original Xbox has no argument for existing. Robbie Bach ran the division through the Xbox 360 generation, the period in which Xbox came closest to winning: a year's head start on PS3, the online lead built on Xbox Live, and the $1.15 billion decision in 2007 to repair the 'red ring of death' failures at Microsoft's own cost rather than defend the hardware.

Blackley left Microsoft in 2002. He now works, among other things, on reconstructing ancient Egyptian baking — a fact included here only because it is true and because founders are rarely one thing.