Industry veteran Rod Fergusson has jumped ship from Epic Games, where he has spent eight years as an executive producer, notably on the Gears of War franchise. Fergusson announced his surprise departure on Twitter, revealing his new role at Irrational Games. Although Fergusson’s new position at the Boston developer was not made explicit, subsequent comments make it fairly clear he’s working on BioShock: Infinite, which is set to release early next year. A couple of senior staff left Irrational Games earlier in the week; a small mystery which now seems resolved. Before joining Epic, Fergusson began his career in games development at Microsoft, where his first project was Train Simulator.