
Monica Harrington isn’t one of Valve’s official co-founders, but she was heavily involved in its formation and initial success – working by day as a marketing manager at Microsoft with responsibility for the games division, while helping her partner, Mike Harrington, and Gabe Newell get the Half-Life studio off the ground. In a lengthy post on Medium – which Nic has already covered in the most recent Sunday Papers, but which I think deserves a piece of its own – Harrington takes us through those heady early days.