Jason MacAllister is a Blizzard employee and a Senior Software Engineer on the Team 5 Hearthstone development team.
He was first listed in the game's credits with Patch 1.0.0.4944 (2014-03-11).
Credits card
Gallery
Credits card artwork
Patch changes
Patch 2.7.0.9166 (2015-06-15): Credits card added.
Patch 1.0.0.4944 (Open beta, 2014-03-11): Added to the credits.
